RT24C2P103 [BOURNS]
SMT Trimmers - Product Selection Guide; SMT微调 - 产品选择指南
| 型号： | RT24C2P103 |
| 厂家： | 
BOURNS ELECTRONIC SOLUTIONS |
| 描述： | SMT Trimmers - Product Selection Guide |
| 文件： | 总86页 (文件大小：3220K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
w w w . b o u r n s
.
c o m
Trimmers
I. Product Selection Guide...............................................................6
II. Product Specifications .................................................................9
III. Optional Products.......................................................................69
IV. Tape and Reel Packaging Specifications.....................................70
V. Panel Mounting Options.............................................................72
VI. Adjustment Tools .......................................................................77
VII. Lab Design Kits ..........................................................................77
VIII. Mil-Spec Part Numbering...........................................................79
IX. Applications/Processing Guide...................................................83
X. Soldering and Cleaning Processes .............................................84
5
Specifications are subject to change without notice.
SMT Trimmers - Product Selection Guide
Packaging
Options
Sealed
Open
Element
Technology
Number
of Turns
Size
Adjust
Model
Number
Page
No.
See
Note 1
See
Note 2
Cermet W/W
Single Multi Sealed Open 2mm 3mm 4mm 5mm 1/4"
3214*
3224*
3269*
3302
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
E
E
T,S
T,S
T,S
T
12
14
22
32
34
39
41
47
56
58
•
G,T
E
•
•
•
•
•
•
•
•
•
•
3303
•
•
E
T,B
T,S
T,S
T
3313*
3314
•
•
•
E
•
•
•
•
E,G,T
E
3324*
3364
•
E
T,B
T
3374*
•
E
NOTE 1:
Standard packaging; some options may require alternate packaging. Consult factory.
T = Tube, B = Bulk, E = Embossed Tape - 7" Reel, G = Embossed Tape - 13" Reel
NOTE 2:
T = Top Adjustment, S = Side Adjustment, B = Bottom Adjustment
*Indicates patented models.
Specifications are subject to change without notice.
6
Commercial/Industrial Through-Hole Sealed
Element
Technology
Number
of Turns
Packaging
Options
Size
Adjust
Page
No.
Model
Number
See
Note 2
Cermet
WW Single Multi 1/4" Sq. 5/16" Sq. 3/8" Sq.
1/2"
3/4"
1-1/4"
See Note 1
T
3005**
3006
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
S
69
9
•
•
T
S
3009**
3057
T,B
T,B
T,B
T
S
69
10
11
69
16
17
18
19
20
21
24
25
26
27
29
30
31
51
52
69
54
59
61
61
62
•
•
S
3059
•
•
S
3082**
3250
•
•
•
S
•
•
T,B
T,B
T
T,S
T,S
T,S
T,S
T,S
T,S
T,S
T,S
T,S
T,S
T,S
T,S
T,S
T,S
T,S
T,S
T,S
T,S
T,S
T,S
T
3252
•
3260
•
•
•
•
3262*
•
•
•
T
3266*
T,R
T
3266-LTC
3290
•
•
•
•
•
•
•
•
T,B
T,B
T,R
T
3292*
•
•
•
•
•
•
•
•
3296*
3296-LTC
3296-LC2*
3296-OT1*
3299*
T,B
T
T,B
T,B,R
T
3329
•
•
•
3339
•
•
3345**
3362
•
•
•
•
•
•
•
•
B
•
•
•
•
•
T,R
T,B,R
T
3386
•
•
•
•
3386-HV2
3386-HV3
3386-OT1
T
T,B
NOTE 1: Standard packaging; some options may require alternate packaging. Consult factory.
T = Tube, B = Bulk, R = Tape and Reel
NOTE 2: T = Top Adjustment, S = Side Adjustment
*Indicates patented models.
**Optional products (not recommended for new designs).
Specifications are subject to change without notice.
7
Open Frame Trimmers
Size
Element
Technology
Number
of Turns
Mounting
Type
Packaging
Options
Adjust
Model
Page
No.
Number
See
Note 2
Cermet Carbon Single Multi
SMT
Leaded 2mm 3mm 4mm 6mm 9mm 3/8"
See Note 1
3302
3303
3306
3309
3318
3319
3328
3352
3364
TC76
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
E
T
32
34
36
37
44
45
49
53
56
65
•
E
T,B
•
•
•
•
•
•
•
•
B
T,S
•
B
T,S,B
T,S
•
•
•
B
•
•
B
T,S,B
T,S,B
T,S
B
•
•
•
B
E
•
•
T
•
•
•
B, T&R, A
T,S,B
Application Specific Products
Element
Technology
Number
of Turns
Packaging
Options
Size
Adjust
Model
Page
No.
Number
See
Note 2
Cermet WW Single Multi 1/4"
5/16"
3/8"
1/2"
3/4"
1-1/4"
See Note 1
3266-LTC
3296-LTC
3296-LC2*
3296-OT1*
3386-HV2
3386-HV3
3386-OT1*
•
•
•
•
•
•
•
•
•
•
•
•
T
T
T,S
T,S
T,S
T,S
T,S
T,S
T
21
27
29
30
61
61
62
•
•
•
•
•
•
T
T
•
•
•
T
T
T,B
Military Products
Element
Technology
Packaging
Options
Turns
Size
3/8"
Adjust
Page
No.
Model
Number
See
Note 1
See
Note 2
Cermet W/W
Single
Multi
1/4"
1/2" 1-1/4"
•
RJ 22
•
•
•
•
•
•
•
•
•
T,B
T,B
T
T,S
T,S
T,S
T,S
T,S
T,S
17
28
19
16
24
18
RJ/RJR 24*
RJ/RJR 26
RT/RTR 22
RT/RTR 24
RT 26
•
•
•
•
•
•
•
•
T,B
T
T
NOTE 1:
Standard packaging; some options may require alternate packaging. Consult factory.
T = Tube, B = Bulk, E = Embossed Tape - 7" Reel, G = Embossed Tape - 13" Reel
T&R = Tape & Reel, A = Ammo Pak
NOTE 2: T = Top Adjustment, S = Side Adjustment,
B = Bottom Adjustment
* Indicates patented models.
Specifications are subject to change without notice.
8
■ Transparent housing available, can
be set visually without hook-up and
instrumentation (“P” style only)
Features
■ 3/4” Rectangular / Multiturn
Cermet / Industrial / Sealed
■ Low PC board profile - only 1/4” high
■ Panel mount option available,
(see page 72 for details)
3006 - Trimpot® Trimming Potentiometer
Electrical Characteristics
How To Order
Common Dimensions
Standard Resistance Range
3006 P - 1 - 103 Z
19.05
(.750)
..................................10 to 5 megohms
(see standard resistance table)
Resistance Tolerance .............±10% std.
(tighter tolerance available)
Absolute Minimum Resistance
............................1.0% or 2 ohms max.
(whichever is greater)
Contact Resistance Variation
..............................1.0% or 1 ohm max.
(whichever is greater)
1.52
(.060)
Model
Style
Standard or Modified
Product Indicator
.38
(.015)
5.33 ± .89
(.210 ± .035)
MIN.
-1 = Standard Product
-7 = Transparent Housing
1
2
3
.76
(.030)
Resistance Code
.51 ± .03
DIA. PINS TYP.
(.020 ± .001)
Optional Suffix Letter
Z = Panel Mount
4.83
(.190)
(Factory Installed)
ADJ. SLOT
2.36
(.093)
.79
(.031)
.64
(.025)
Adjustability
Consult factory for other available options.
DIA.
Voltage ......................................±0.01%
Resistance ................................±0.05%
Resolution.....................................Infinite
Insulation Resistance ................500 vdc.
1,000 megohms min.
6.35
(.250)
DEEP
X
4.70 ± .38
WIDE
X
(.185 ± .015)
Standard Resistance Table
Resistance
(Ohms)
Resistance
Code
3006P
Dielectric Strength
10
100
200
500
101
201
501
102
202
502
103
203
253
503
104
204
Sea Level ...............................1,000 vac
80,000 Feet...............................250 vac
Adjustment Angle .............15 turns nom.
20
3.30
(.130)
50
100
200
5.08
(.200)
12.70
(.500)
Environmental Characteristics
500
1,000
Power Rating (400 volts max.)
70°C .......................................0.75 watt
125°C ..........................................0 watt
Temperature Range ......-55°C to +125°C
Temperature Coefficient .....±100ppm/°C
Seal Test ........................85°C Fluorinert*
Humidity........MIL-STD-202 Method 103
96 hours
2,000
5,000
10,000
20,000
25,000
50,000
100,000
200,000
2.54
(.100)
1.40
(.055)
3006W
250,000
500,000
1,000,000
2,000,000
254
504
105
205
3.30
(.130)
(3% ∆TR, 20 Megohms IR)
5.08
(.200)
5.08
(.200)
Vibration............20G (2% ∆TR; 2% ∆VR)
Shock................50G (2% ∆TR; 2% ∆VR)
Load Life ....1,000 hours 0.75 watt 70°C
(4% ∆TR)
Rotational Life ........................200 cycles
(3% ∆TR; 1% or 1 ohm,
12.70
(.500)
Popular values listed in boldface. Special
resistances available.
SHADED AREAS TYPICALLY NOT STOCKED BY
DISTRIBUTORS AND NOT RECOMMENDED FOR NEW
DESIGNS.
whichever is greater, CRV)
Physical Characteristics
3006Y
1.40
Torque .............................5.0 oz-in. max.
Mechanical Stops..................Wiper idles
Terminals ........................Solderable pins
Weight ........................................0.04 oz.
Marking ...........................Manufacturer’s
trademark, resistance code,
(.055)
2.54
(.100)
.64
(.025)
17.78
(.700)
7.62
(.300)
terminal numbers, date code,
manufacturer’s model number
and style
Wiper Positioning ..............50% nominal
Flammability ..........................U.L. 94V-0
Standard Packaging .....25 pcs. per tube
Adjustment Tool ..............................H-90
WIPER
2
CW
CCW
3
1
CLOCKWISE
*”FLUORINERT” IS A REGISTERED TRADEMARK OF 3M CO.
Specifications are subject to change without notice.
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
METRIC
DIMENSIONS ARE:
(INCHES)
9
Features
■ 1-1/4” Rectangular / Multiturn
Wirewound / Industrial / Sealed
■ Panel mount option available
(see page 72 for details)
3057 - Trimpot® Trimming Potentiometer
3057L
Common Dimensions
3057Y
Electrical Characteristics
Standard Resistance Range
31.75
(1.25)
.....................................10 to 50K ohms
(see standard resistance table)
Resistance Tolerance ...............±5% std.
(tighter tolerance available)
3.18
(.125 )
25.4
(1.000)
1.47 ± .56
(.058 ± .022)
1
2
7.62
(.300)
3
Absolute Minimum Resistance
6.35
(.250)
..............................0.1% or 1 ohm max.
(whichever is greater)
Noise ......................100 ohms ENR max.
Resolution.............See Resistance Table
Insulation Resistance ................500 vdc.
1,000 megohms min.
17.78
(.700)
ADJ. SLOT
2.92 ± .38
(.115 ± .015)
DIA.
2.36
(.093)
MTG. HOLES (2)
DIA.
.64
(.025)
WIDE
X
X
2.54
(.100)
.79
DEEP
(.031)
4.83
(.190)
.71 ± .03
(.028 ± .001)
Dielectric Strength
DIA. TYP.
Sea Level ...............................1,500 vac
70,000 Feet...............................400 vac
Adjustment Travel .............22 turns nom.
12.70 ± .79
(.500 ± .031)
6.10
(.240)
MIN. LENGTH
TYP.
6.10
TYP.
152.4
LEADS
(.240)
(6.000)
8.00 ± .38
(.315 ± .015)
2.54
(.100)
Environmental Characteristics
Power Rating @ 70°C....................1 watt
Power Rating @ 150°C..................0 watt
Temperature Range ......-55°C to +150°C
Temperature Coefficient .......±50ppm/°C
Seal Test ........................85°C Fluorinert*
(pin styles only)
2.67
(.105 )
3.43 ± .38
(.135 ± .015)
RED
WIPER
2
3057J
Humidity........MIL-STD-202 Method 106
96 hours
GREEN
CW
YELLOW
CCW
3
1
3.80
(.150)
CLOCKWISE
2% ∆TR, 100 Megohms IR)
Vibration .................30G (1% ∆TR; 0.5%
+ resolution ∆VR)
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
2
1
3
Shock ...................100G (1% ∆TR; 0.5%
+ resolution ∆VR)
Load Life .....1,000 hours 1 watt @ 70°C
(2% ∆TR)
METRIC
(INCHES)
DIMENSIONS ARE:
6.35
(.250)
7.62
(.300)
Rotational Life ........200 cycles (2% ∆TR)
17.78
(.700)
Standard Resistance Table
.71 ± .03
DIA. TYP.
(.028 ± .001)
Physical Characteristics
Nominal
Torque .............................5.0 oz-in. max.
Mechanical Stops..................Wiper idles
Terminals .........Solderable pins and lugs
Flexible leads ......(7 strands of 30 AWG)
Weight ........................................0.10 oz.
Marking .........Manufacturer’s trademark,
resistance code, terminal numbers,
date code, manufacturer’s model
number and style
Wiper ...............................Set at CW end
Flammability...........................U.L. 94V-0
Standard Packaging
P&Y Style ....................10 pcs. per tube
L&J Style ......................25 pcs. per bag
Adjustment Tool ..............................H-90
Resistance
(Ohms)
Resistance
Code
Resolution
(Percent)
2.54
(.100)
10
100
200
500
101
201
501
102
202
502
103
203
503
2.40
1.90
1.40
1.00
0.86
0.89
0.72
0.58
0.43
0.34
0.31
0.24
20
3057P
50
100
.71 ± .03
(.028 ± .001)
DIA. TYP.
200
500
1,000
2,000
5,000
10,000
20,000
50,000
2
1
3
17.78
(.700)
6.60
12.70 ± .79
(.260) (.500 ± .031)
22.86
(.900)
Popular values listed in boldface. Special
resistances available.
How To Order
SHADED AREAS TYPICALLY NOT STOCKED BY
DISTRIBUTORS AND NOT RECOMMENDED FOR NEW
DESIGNS.
3057 L - 1 - 103 M
Model
Style
*”FLUORINERT” IS A REGISTERED TRADEMARK OF 3M CO.
Standard or Modified
Product Indicator
-1 = Standard Product
Resistance Code
Optional Suffix Letter
M = Panel Mount
(Factory Installed)
Specifications are subject to change without notice.
10
Features
■ 1-1/4” Rectangular / Multiturn
Cermet / Industrial / Sealed
■ Panel mount option available
(see page 72 for details)
3059 - Trimpot® Trimming Potentiometer
3059Y
3059L
Common Dimensions
Electrical Characteristics
Standard Resistance Range
31.75
(1.25)
..................................10 to 2 megohms
(see standard resistance table)
Resistance Tolerance .............±10% std.
(tighter tolerance available)
Absolute Minimum Resistance
...............................1% or 2 ohms max.
(whichever is greater)
Contact Resistance Variation
..............................1.0% or 1 ohm max.
(whichever is greater)
3.18
(.125)
25.4
(1.000)
1.47 ± .56
(.058 ± .022)
1
2
7.62
(.300)
3
6.60
(.260)
ADJ. SLOT
2.92 ± .38
(.115 ± .015)
17.78
(.700)
2.54
(.100)
DIA.
.64
(.025)
2.36
(.093)
WIDE
X
X
DIA.
.79
MTG. HOLES (2)
DEEP
(.031)
4.83
(.190)
Adjustability
.71 ± .03
(.028 ± .001)
6.10
(.240)
MIN. LENGTH
DIA. TYP.
Voltage ......................................±0.01%
Resistance ................................±0.05%
Resolution.....................................Infinite
Insulation Resistance ................500 vdc.
1,000 megohms min.
TYP.
12.70 ± .79
(.500 ± .031)
6.10
TYP.
.240
152.4
LEADS
(6.000)
8.00 ± .38
(.315 ± .015)
2.54
(.100)
Dielectric Strength
2.67 ± .25
(.105 ± .010)
Sea Level ..................................900 vac
70,000 Feet...............................350 vac
Effective Travel..................22 turns nom.
3.43 ± .38
(.135 ± .015)
RED
WIPER
2
3059J
Environmental Characteristics
3.80
(.150)
GREEN
CW
YELLOW
3
1
Power Rating @ 70°C (400 volts max.)
..................................................1.0 watt
Power Rating @ 150°C.................0 watt
Temperature Range ......-55°C to +150°C
Temperature Coefficient .....±100ppm/°C
Seal Test ........................85°C Fluorinert*
(pin styles only)
CCW
CLOCKWISE
2
1
3
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
METRIC
(INCHES)
DIMENSIONS ARE:
7.62
(.300)
6.60
(.260)
17.78
(.700)
Humidity........MIL-STD-202 Method 106
(2% ∆TR, 10 Megohms IR)
Standard Resistance Table
Vibration............20G (1% ∆TR; 1% ∆VR)
Shock................50G (1% ∆TR; 1% ∆VR)
Load Life ..1,000 hours 1.0 watt @ 70°C
(3% ∆TR; 1% or 1 ohms,
whichever is greater, CRV)
Rotational Life ........................200 cycles
(2% ∆TR; 1% or 1 ohm,
Resistance
(Ohms)
Resistance
Code
.71 ± .03
(.028 ± .001)
DIA. TYP.
10
20
50
100
200
500
1,000
2,000
5,000
10,000
20,000
25,000
50,000
100,000
200,000
250,000
500,000
1,000,000
2,000,000
100
200
500
101
201
501
102
202
502
103
203
253
503
104
204
254
504
105
205
2.54
(.100)
3059P
whichever is greater, CRV)
Physical Characteristics
Torque .............................5.0 oz-in. max.
Mechanical Stops..................Wiper idles
Terminals .Solderable printed circuit pins
Flexible leads ......(7 strands of 30 AWG)
Weight ..........................................0.1 oz.
Marking .........Manufacturer’s trademark,
......................resistance code, terminal
....numbers, date code, manufacturer’s
....................... model number and style
Wiper ...............................Set at CW end
Flammability...........................U.L. 94V-0
Standard Packaging
2
1
3
17.78
(.700)
6.60
12.70 ± .79
(.260) (.500 ± .031)
22.86
(.900)
.71 ± .03
(.028 ± .001)
DIA. TYP.
How To Order
Popular values listed in boldface. Special
resistances available.
3059 L - 1 - 103 M
Model
Style
SHADED AREAS TYPICALLY NOT STOCKED BY
DISTRIBUTORS AND NOT RECOMMENDED FOR NEW
DESIGNS.
Standard or Modified
Product Indicator
P&Y Styles ..................10 pcs. per tube
L&J Styles ....................25 pcs. per bag
Adjustment Tool ..............................H-90
-1 = Standard Product
Resistance Code
Optional Suffix Letter
*”FLUORINERT” IS A REGISTERED TRADEMARK OF 3M CO.
Specifications are subject to change without notice.
M = Panel Mount
(Factory Installed)
11
■ 4mm design meets EIA/EIAJ/IPC/VRCI
SMD standard trimmer footprint
Features
■ Surface Mount 4mm Square / Multiturn
Cermet / Industrial / Sealed
■ Top and side adjust styles
■ J-hook, and gull-wing
■ Sealed to withstand board wash
processing
■ Patent #5047746 advanced drive/wiper
mechanism
■ Pick and place centering design, with
flush adjustment
3214 - 5-Turn Trimming Potentiometer
Electrical Characteristics
3214G Side Adjust
3214J Side Adjust
Standard Resistance Range
1.52
(.060)
1.52
DIA.
DIA.
1
1
(.060)
1.17
(.046)
2
1.17
(.046)
....................................10 to 2 megohm
(see standard resistance table)
Resistance Tolerance .............±10% std.
Absolute Minimum Resistance
.....................................1% or 2.0 ohms
(whichever is greater)
2
4.8
(.189)
4.8
(.189)
2.41
(.095)
2.79
(.102)
2.79
(.110)
3
2.24
2.4
(.095)
3
2.24
(.088)
(.088)
Contact Resistance Variation
...............................3% or 3 ohms max.
Resolution...................Essentially Infinite
Insulation Resistance ................500 vdc.
100 megohms min.
Dielectric Strength
Sea Level ..................600 vac (1minute)
Adjustment Angle ...............5 turns nom.
5.0
(.197)
5.82
(.229)
ADJUSTMENT SLOT
ADJUSTMENT SLOT
0.56
WIDE
(.022)
4.57
(.180)
0.56
WIDE
(.022)
4.57
(.180)
.51
(.020)
DEEP
X
.51
(.020)
DEEP
X
3.7
(.146)
3.91
(.154)
0.8
(.0031)
0.2
(.008)
0.2
.008
Environmental Characteristics
0.61
(.024)
TYP.
2
1.27
(.050)
Power Rating (300 volts max.)
85°C .......................................0.25 watt
150°C ..........................................0 watt
Temperature Range ......-65°C to +150°C
Temperature Coefficient .....±100ppm/°C
Humidity ........MIL-STD 202 Method 106
TRS ±2% ; IR 10 megohms
Vibration ..........20G TRS±1% ; VRS ±1%
Shock ............100G TRS ±1% ; VRS±1%
Load Life
TYP.
TYP.
5.2
(.078)
1.3
(.051)
4.0
(.157)
1.2
(.047)
3 PLCS.
(.205)
2.0
2.0
(.079)
(.079)
2.3
2.3
(.091)
1.3
(.051)
0.80
(.031)
2 PLCS.
(.091)
1.27
(.050)
0.80
(.031)
2 PLCS.
2 PLCS.
1.27
(.050)
SQ. 2 PLCS.
..........@ 85°C rated power 1,000 hours
TRS 3 ohms or 3%
(whichever is greater)
Rotational Cycling..................200 cycles
TRS 3 ohms or 3%
(whichever is greater)
Thermal Shock...........................5 cycles
TRS±2% ; VRS±1%
3214W Top Adjust
WIPER
2
3.9
(.154)
1.3
(.051)
5.1
(.201)
3.5
CW
CCW
3
1
1
(.138)
1.2
CLOCKWISE
(.047)
4.8
2.54
(.189)
(.100)
2
Physical Characteristics
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
1.52 DIA.
(.060)
Mechanical Stop ...................Wiper idles
Torque ..............................180g-cm max.
Weight ................Approximately 0.01 oz.
Marking .................Manufacturer’s code,
resistance code and date code
Solderability ..............Per MIL-STD-202,
Method 208
Wiper ......................Set at 50% nominal
Flammability ..............................UL94V0
Pushover Strength ..2 Kilograms (4.4lbs)
Adjustment Tool ..............................H-91
3
2.6
(.102)
METRIC
(INCHES)
DIMENSIONS ARE:
1.0
(.039)
3 PLCS.
ADJUSTMENT SLOT
5.3
(.209)
0.56
WIDE
(.022)
0.9
(.035)
How To Order
.51
(.020)
DEEP
X
3214 J - 1 - 502 E
Model
Style
1.2
(.047)
1.3
(.051)
2 PLCS.
0.2
.008
Standard or Modified
Product Indicator
-1 = Standard Product - IR Reflow
* -2 = Wave Solderable
2.9
(.114)
2.0
(.079)
Resistance Code
1.6
(.063)
3 PLCS.
Embossed Tape Designator
Style J, G: 500 pcs./7” reel (standard)
Style W: 250 pcs./7” reel (standard)
2.54
(.100)
0.8
(.031)
2 PLCS.
Consult factory for other available options.
* -2 has a treated stainless steel shaft
Specifications are subject to change without notice.
12
3214 - Packaging Specifications
Packaging Specifications
Standard Resistance Table
Packaging Specifications
(J & G Styles)
(W Style)
Resistance
(Ohms)
Resistance
Code
.04
(.002)
5.75
(.226)
MAX.
MAX.
10
20
50
100
200
500
.04
(.002)
MAX.
4.5
MAX.
(.177)
100
101
201
501
102
202
502
103
203
503
104
5.52 ± .05
200
(.217 ± .002)
500
7.50 ± .05
(.295 ± .002)
1,000
2,000
5,000
10,000
20,000
50,000
100,000
5.56 ± .10
(.219 ± .004)
6.25 ± .10
(J)
1.5 + .10/ –.00
(.059 + .004/ –.000)
DIA.
1.5 + .10/ –.00
(.059 + .004/ –.000)
(G)
DIA.
(.246 ± .004)
4.00 ± .10
(.157 ± .004)
5.32 ± .10
(.209 ± .004)
4.00 ± .10
(.157 ± .004)
200,000
204
504
105
205
5.10 ± .10
(.201 ± .039)
500,000
2.00 ± .05
(.079 ± .002)
1,000,000
2,000,000
4.50 ± .10
(.177 ± .039)
2.00 ± .05
(.079 ± .002)
Popular values listed in boldface. Special
resistances available.
8.00 ± .20
(.315 ± .008)
SHADED AREAS TYPICALLY NOT STOCKED BY
DISTRIBUTORS AND NOT RECOMMENDED FOR NEW
DESIGNS.
12.00 ± .20
(.472 ± .008)
1.75 ± .10
(.069 ± .004)
1.75 ± .10
(.069 ± .004)
12.00 ± .30
16.00 ± .30
(.472 ± .012)
(.630 ± .012)
TAPE
TAPE
1.78 ± .25
(.070 ± .010)
EQUAL SPACED
3 PLCS.
1.78 ± .25
(.070 ± .010)
EQUAL SPACED
3 PLCS.
21.01 ± .79
(.827 ± .031)
DIA.
13.0 ± .51
(.512 ± .020)
21.01 ± .79
(.827 ± .031)
DIA.
DIA.
2.67 ± .25
(.105 ± .010)
2.67 ± .25
(.105 ± .010)
13.0 ± .508
(.512 ± .020)
DIA.
59.18 ± 2.03
(2.330 ± .080)
59.18 ± 2.03
(2.330 ± .080)
178
(7.008 ± .079)
±
2.0
DIA.
177.8 ± 2.03
(7.000 ± .080)
12.4 + 2.01/ -.000
(.488 + .079/ -.000)
16.4 + 1.81/ -.000
(.646 ± .071/ -.000)
REEL
REEL
Cover tape peel strength:
Meets EIA specification 481.
Cover tape peel strength:
Meets EIA specification 481.
Units packaged 500 pieces per reel.
Units packaged 250 pieces per reel.
13
Specifications are subject to change without notice.
■ 4mm design meets EIA/EIAJ/IPC/VRCI
SMD standard trimmer footprint
Features
■ Surface Mount 4mm Square / Multiturn
Cermet / Industrial / Sealed
■ Low CRV - 1%
■ DESC selected material drawing #92021
■ Sealed to withstand board wash
processing
■ Pick and place centering design, with
flush adjustment
3224 - 4mm SMD Trimming Potentiometer
3224J Side Adjust
3224G Side Adjust
Electrical Characteristics
1.52
DIA.
1.52
DIA.
1
Standard Resistance Range
....................................10 to 2 megohm
(see standard resistance table)
Resistance Tolerance .............±10% std.
Absolute Minimum Resistance
1
(.060)
1.2
(.060)
2
1.2
2
(.047)
(.047)
4.8
(.189)
4.8
(.189)
.....................................1% or 2.0 ohms
(whichever is greater)
Contact Resistance Variation
2.4
(.094)
2.74
(.108)
2.6
(.102)
2.4
(.094)
3
2.3
(.090)
3
2.3
(.090)
...............................1% or 3 ohms max.
Resolution...................Essentially Infinite
Insulation Resistance ................500 vdc.
6.0
(.236)
4.57
5.0
(.197)
4.6
ADJUSTMENT SLOT
ADJUSTMENT SLOT
0.56
WIDE
(.022)
0.56
WIDE
(.022)
(.180)
(.181)
100 megohms min.
.51
.51
(.020)
DEEP
X
Dielectric Strength
DEEP
X
(.020)
3.7
(.146)
3.91
(.154)
Sea Level ..................600 vac (1minute)
Adjustment Angle .............11 turns nom.
0.8
(.031)
0.2
(.008)
0.2
(.008)
Environmental Characteristics
0.61
(.024)
1.27
TYP.
TYP.
2.0
(.079)
Power Rating (300 volts max.)
TYP.
(.050)
85°C .......................................0.25 watt
150°C ..........................................0 watt
Temperature Range ......-65°C to +150°C
Temperature Coefficient .....±100ppm/°C
Humidity ........MIL-STD 202 Method 106
TRS ±2% ; IR 10 megohms
Vibration ..........20G TRS±1% ; VRS ±1%
Shock ............100G TRS ±1% ; VRS±1%
Load Life
..........@ 85°C rated power 1,000 hours
TRS 3 ohms or 3% (whichever is greater)
Rotational Cycling..................200 cycles
TRS 3 ohms or 3% (whichever is greater)
Thermal Shock...........................5 cycles
TRS±2% ; VRS±1%
1.3
(.050)
5.2
(.205)
1.3
(.050)
4.0
(.157)
2 PLCS.
2.0
(.079)
2.0
(.079)
2.3
(.090)
0.9
(.034)
2 PLCS.
2.3
(.090)
1.3
(.050)
0.9
(.034)
1.27
(.050)
2 PLCS.
1.3
2 PLCS.
2 PLCS.
(.051)
3224W Top Adjust
3224X Top Adjust
.80
3.9
(.155)
2.54
2 PLCS
(.031)
(.100)
1.3
5.1
5.1
3.5
(.138)
3.5
(.138)
(.051)
(.201)
(.201)
1
1
Physical Characteristics
1.3
1.2
(.047)
(.051)
Mechanical Stop ...................Wiper idles
Torque ..............................180g-cm max.
Weight ................Approximately 0.01 oz.
Marking .................Manufacturer’s code,
resistance code and date code
Solderability ..............Per MIL-STD-202,
Method 208
Wiper ......................Set at 50% nominal
Flammability ..............................UL94V0
Adjustment Tool ..............................H-91
4.8
4.8
(.189)
2.54
(.100)
(.189)
2
2
1.52
(.060)
1.2
DIA.
3
(.047)
2.6
(.102)
1.0
(.039)
5.3
ADJUSTMENT SLOT
1.0
(.039)
3 PLCS.
3 PLCS.
0.56
WIDE
(.022)
ADJUSTMENT SLOT
3.9
(.155)
5.3
(.209)
(.209)
.51
(.020)
0.56
WIDE
(.022)
DEEP
X
0.9
(.035)
.51
(.020)
DEEP
X
How To Order
5.7
3224 J - 1 - 502 E
(.225)
Model
Style
0.2
(.008)
1.2
(.047)
1.32
(.052)
1.3
(.051)
2 PLCS.
2 PLCS.
0.2
(.008)
5.1
(.200)
Standard or Modified
Product Indicator
-1 = Standard Product - IR Reflow
* -2 = Wave Solderable
2.9
(.114)
2.0
(.079)
2.0
(.079)
-FW5 = .070” ± .010” Shaft Extension
1.6
TYP.
1.9
(.074)
Resistance Code
(.063)
2.54
(.100)
TYP.
0.80
(.031)
0.80
(.031)
2 PLCS.
2 PLCS.
Embossed Tape Designator
2.54
(.100)
Style J, G: 500 pcs./7” reel (standard)
Style W: 250 pcs./7” reel (standard)
Consult factory for other available options.
* -2 has a treated stainless steel shaft
Specifications are subject to change without notice.
14
Additional Features
■ Top and side adjust styles
■ J-hook, and gull-wing
■ Patent #5047746 advanced drive/wiper
mechanism
3224 - Packaging Specifications
J & G Styles
W Style
X Style
8.60
(.339)
6.10 ± .10
(.240 ± .004)
MAX
5.75
(.226)
.04
(.002)
MAX.
MAX.
.04
(.002)
MAX.
.3
MAX
(.002)
4.5
(.177)
MAX.
5.52 ± .05
(.217 ± .002)
7.50 ± .05
(.295 ± .002)
7.50 ± .10
(.295 ± .004)
5.56 ± .10
(.219 ± .004)
6.25 ± .10
(J)
1.5 + .10/ –.00
(.059 + .004/ –.000)
DIA.
1.5 + .10/ –.00
(.059 + .004/ –.000)
1.5 + .10/ –.00
(.059 + .004/ –.000)
DIA.
DIA.
(G)
(.246 ± .004)
5.32 ± .10
4.00 ± .10
(.157 ± .004)
(.209 ± .004)
4.00 ± .10
(.157 ± .004)
4.00 ± .10
(.157 ± .004)
6.70 ± .10
(.264 ± .004)
5.10 ± .10
(.201 ± .039)
4.50 ± .10
(.177 ± .039)
2.00 ± .05
(.079 ± .002)
2.00 ± .05
(.079 ± .002)
2.00 ± .005
(.079 ± .002)
12.00 ± .30
(.472 ± .012)
8.00 ± .20
(.315 ± .008)
12.00 ± .20
(.472 ± .008)
1.75 ± .10
1.75 ± .10
(.069 ± .004)
(.069 ± .004)
1.75 ± .10
(.069 ± .004)
5.70 ± .10
(.224 ± .004)
12.00 ± .30
(.472 ± .012)
16.00 ± .30
(.630 ± .012)
16.0 ± 0.30
(.630 ± .012)
TAPE
TAPE
TAPE
W & X Style Reel
1.78 ± .25
(.070 ± .010)
EQUAL SPACED
3 PLCS.
1.78 ± .25
EQUAL SPACED
3 PLCS.
(.070 ± .010)
21.01 ± .79
(.827 ± .031)
DIA.
13.0 ± .51
(.512 ± .020)
21.01 ± .79
(.827 ± .031)
DIA.
DIA.
2.67 ± .25
(.105 ± .010)
2.67 ± .25
(.105 ± .010)
13.0 ± .508
DIA.
Standard Resistance Table
(.512 ± .020)
Resistance
(Ohms)
Resistance
Code
59.18 ± 2.03
10
20
50
100
200
500
(2.330 ± .080)
59.18 ± 2.03
(2.330 ± .080)
100
101
201
501
102
202
502
103
203
503
104
200
500
1,000
2,000
5,000
10,000
20,000
50,000
100,000
178
(7.008 ± .079)
±
2.0
DIA.
177.8 ± 2.03
(7.000 ± .080)
12.4 + 2.01/ -.000
(.488 + .079/ -.000)
16.4 + 1.81/ -.000
(.646 ± .071/ -.000)
REEL
REEL
Cover tape peel strength:
Meets EIA specification 481.
Cover tape peel strength:
Meets EIA specification 481.
200,000
204
504
105
205
500,000
1,000,000
2,000,000
Units packaged 250 pieces per reel. (w)
Units packaged 200 pieces per reel. (x)
Units packaged 500 pieces per reel.
Popular values listed in boldface. Special
resistances available.
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
WIPER
2
SHADED AREAS TYPICALLY NOT STOCKED BY
DISTRIBUTORS AND NOT RECOMMENDED FOR NEW
DESIGNS.
METRIC
DIMENSIONS ARE:
CW
CCW
3
1
(INCHES)
CLOCKWISE
Specifications are subject to change without notice.
15
Features
■ Multiturn / Wirewound / Sealed
■ Listed on the QPL for style RT22 per
MIL-R-27208 and RTR22 per
High-Rel MIL-R-39015
■ Panel Mount option available
(see page 73 for details)
3250/RT22/RTR22 - 1/2” Square Trimming Potentiometer
3250P/RT22/RTR22 Common Dimensions
(Pin Styles)
Electrical Characteristics
Standard Resistance Range
RED
WIPER
2
1.98
(.078)
DIA. THRU
(2 PLACES)
3250 .....................................10 to 50K ohms
RT22 .....................................50 to 20K ohms
RTR22 ................................500 to 20K ohms
(see standard resistance table)
Resistance Tolerance ........................±5% std.
(tighter tolerance available)
GREEN
CW
YELLOW
CCW
3
1
CLOCKWISE
ADJ. SLOT
2.03 ± .38
(.080 ± .015)
DIA.
13.21
TYP.
(.520)
.64
(.024)
How To Order
WIDE
X
X
Absolute Minimum Resistance
12.7
TYP.
3250 L - 1 - 103 M
3.1
.......0.1% or 1 ohm max. (whichever is greater)
Noise...............................100 ohms ENR max.
Resolution .....................See Resistance Table
Insulation Resistance .........................500 vdc.
1,000 megohms min.
DEEP
(.122)
(.500)
.89
Model
Style
(.035)
TYP.
2.54
(.100)
2.54
(.100)
6.35
Standard or Modified
Product Indicator
1.78
(.070)
TYP.
Dielectric Strength
5.59
-1 = Standard Product
.71 ± .08
Sea Level........................................1,000 vac
80,000 Feet .......................................400 vac
Adjustment Travel......................25 turns nom.
(.220)
DIA. TYP.
(.028 ± .003)
Resistance Code
(.250)
3
Optional Suffix Letter
12.7
(.500)
TYP.
M = Panel Mount
2
Environmental Characteristics
Power Rating @ 85°C
(Factory Installed)
1
3250 ..................................................1.0 watt
RT22/RTR22 ...................................0.75 watt
Power Rating @ 150°C ..........................0 watt
Temperature Range...............-65°C to +150°C
Temperature Coefficient
3250 ............................................±50ppm/°C
RT22/RTR22................................±50ppm/°C
Seal Test .......85°C Fluorinert* (pin styles only)
Humidity ................MIL-STD-202 Method 106
3250 ..................(2% ∆TR; 100 Megohms IR)
RT22....................(1% ∆TR; 10 Megohms IR)
RTR22 ...............(1% ∆TR; 100 Megohms IR)
Vibration ....................................................30G
(1% ∆TR; 0.5% + resolution ∆VR)
Shock ......................................................100G
(1% ∆TR; 0.5% + resolution ∆VR)
Load Life
3250 ................1,000 hours 1.0 watt @ 85°C
(2% ∆TR; 500 ohms ENR)
RT22 .............1,000 hours 0.75 watt @ 85°C
(2% ∆TR; 2% + resolution ∆VR)
2.54
(.100)
See page 80 for RT22/RTR22 ordering
information.
13.33 ± .64
(.525 ± .025)
6.35
(.250)
Consult factory for other available options.
3250W/RT22/RTR22
2.79
(.110)
3
2
1
Standard Resistance Table
6.35
(.250)
Nominal
Resistance
Code
2.54
(.100)
2.54
(.100)
Resistance
(Ohms)
Resolution
(Percent)
10
20
50
100
200
500
1.30
1.00
0.80
3250W-66/RT22X/RTR22X
2.79
(.110)
3
2
100
200
101
201
501
102
202
502
103
203
0.90
0.70
0.60
0.40
0.30
0.25
0.19
0.16
1
500
1,000
2,000
5,000
10,000
20,000
6.35
(.250)
2.54
(.100)
2.54
(.100)
RTR22 .........10,000 hours 0.75 watt @ 85°C
(3% ∆TR; 2% + resolution ∆TR)
Rotational Life.................................200 cycles
3250 .....................(2% ∆TR; 500 ohms ENR)
RT22/RTR22 ...................................(2% ∆TR)
"L" Flex Lead Type
RT22 has mounting slots
RTR22 has mounting holes
25,000
50,000
253
503
0.14
0.13
13.21
(.520)
TYP.
Popular values listed in boldface. Special
resistances available.
Physical Characteristics
2.36
(.093)
DIA. THRU
(2 PLACES)
SHADED AREAS TYPICALLY NOT STOCKED BY
DISTRIBUTORS AND NOT RECOMMENDED FOR NEW
DESIGNS.
Torque ......................................5.0 oz-in. max.
Mechanical Stops ..........................Wiper idles
Terminals
3250..............Solderable printed circuit pins
Flexible leads (7 strands of 30 AWG)
RT22/RTR22 .......MIL-STD-202; Method 208
Weight .................................................0.06 oz.
Machine Screw Mounting
Torque .....................................12 oz-in. max.
Marking
3250.....................Manufacturer’s trademark,
resistance code, terminal numbers,
date code, manufacturer’s model
.89
(.035)
TYP.
12.70
TYP.
(.500)
1.40
(.055)
152.4
(6.00)
LENGTH
MIN.
4.75
(.187)
1.52
(.060)
12.7
(.500)
TYP.
number and style
RT22/RTR22 ..............Mil-spec part number
Wiper ........................................Set at CW end
Flammability....................................U.L. 94V-0
Standard Packaging
P&W Styles ..........................25 pcs. per tube
L Style...................................25 pcs. per bag
Adjustment Tool.......................................H-90
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
METRIC
DIMENSIONS ARE:
(INCHES)
*”FLUORINERT” IS A REGISTERED TRADEMARK OF 3M CO.
Specifications are subject to change without notice.
16
Features
■ Multiturn / Cermet / Sealed
■ Listed on the QPL for style RJ22 per
MIL-R-22097
■ Panel mount option available
(see page 73 for details)
3252/RJ22 - 1/2” Square Trimming Potentiometer
3252L/RJ 22
Electrical Characteristics
Machine Screw Mounting
Standard Resistance Range
Torque...................................12 oz-in. max.
Marking
2.36
TYP.
3252 ..............................10 to 2 megohms
RJ22................................10 to 1 megohm
(see standard resistance table)
Resistance Tolerance .................±10% std.
.......................(tighter tolerance available)
Absolute Minimum Resistance
3252...........................1% or 2 ohms max.
(whichever is greater)
RJ22 .......................................1 ohm max.
Contact Resistance Variation
(.093)
13.21
(.520)
3252 ................Manufacturer’s trademark,
resistance code, wiring diagram,
date code, manufacturer’s model
number and style
RJ22 .......................Mil-spec part number
Standard Packaging
X, P&W Styles .................25 pcs. per tube
L Style ..............................25 pcs. per bag
Adjustment Tool ..................................H-90
1.52
(.060)
12.70
(.500)
.89
(.035)
TYP.
152.4
(6.00)
LENGTH
MIN.
4.75
(.187)
12.70
(.500)
1.52
(.060)
3252...........................1% or 2 ohms max.
(whichever is greater)
RJ22 ..........................2% or 2 ohms max.
(whichever is greater)
Adjustability
How To Order
3252 L - 1 - 103 M
3252X/RJ 22
2.54
(.100)
5.59
(.220)
Voltage..........................................±0.01%
Resistance ....................................±0.05%
Resolution.........................................Infinite
Insulation Resistance ....................500 vdc.
1,000 megohms min.
Model
Style
1.78
(.070)
3
2.54
(.100)
1
2
Standard or Modified
Product Indicator
-1 = Standard Product
6.35
(.250)
Dielectric Strength
Resistance Code
Sea Level ...................................1,000 vac
80,000 Feet...................................400 vac
Effective Travel......................25 turns nom.
Optional Suffix Letter
M = Panel Mount (Factory Installed)
See page 81 for RJ22 ordering information.
Consult factory for other available options.
Environmental Characteristics
Power Rating @ 85°C (400 volts max.)
3252 ...........................................0.75 watt
RJ22 ...........................................0.50 watt
Power Rating @ 150°C......................0 watt
Temperature Range ..........-65°C to +150°C
Temperature Coefficient .........±100ppm/°C
Seal Test ............................85°C Fluorinert*
(pin styles only)
RED
WIPER
2
GREEN
CW
YELLOW
CCW
3
1
3252P/RJ 22
Common Dimensions
(Pin Styles)
CLOCKWISE
12.7
(.500)
TYP.
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
ADJ. SLOT
2.03 ± .38
(.080 ± .015)
Humidity
DIA.
METRIC
(INCHES)
DIMENSIONS ARE:
3252 ..............MIL-STD-202 Method 103;
96 hours (1% ∆TR; 100 Megohms IR)
RJ22 ................MIL-STD-202 Method 106
(1% ∆TR; 10 Megohms IR)
.64
(.025)
13.21
TYP.
WIDE
X
(.520)
.50
DEEP
(.020)
X
1.98
DIA. THRU
(.078)
12.7
(.500)
(2 PLACES)
Vibration
Standard Resistance Table
TYP.
3252 ....................30G (1% ∆TR; 1% ∆VR)
RJ22....................20G (1% ∆TR; 1% ∆VR)
Shock..................100G (1% ∆TR; 1% ∆VR)
Load Life
3252 .........1,000 hours 0.75 watt @ 85°C
(3% ∆TR; 3% or 3 ohms,
whichever is greater, CRV)
RJ22 ...........1,000 hours 0.5 watt @ 85°C
(2% ∆TR; 1% ∆VR)
1.78
(.070)
TYP.
Resistance
(Ohms)
Resistance
Code
2.54
(.100)
.71 ± .08
(.028 ± .003)
DIA. TYP.
5.59
(.220)
1
2.54
(.100)
3
10
100
200
500
101
201
501
102
202
502
103
203
253
503
104
204
504
105
205
20
50
1.52
(.060)
2
100
200
500
1,000
2,000
5,000
10,000
20,000
25,000
50,000
100,000
200,000
500,000
1,000,000
2,000,000
2.54
(.100)
6.35
(.250)
6.35
(.250)
Rotational Life ............................200 cycles
3252 ..................(2% ∆TR; 3% or 3 ohms,
whichever is greater, CRV)
13.34 ± .64
(.525 ± .025)
RJ22.............................................2% ∆TR
2.79
(.110)
2.54
(.100)
3252W/RJ 22
5.59
(.220)
Physical Characteristics
2.54
(.100)
3
1
2
Torque..................................5.0 oz-in. max.
Mechanical Stops......................Wiper idles
Terminals
3252 ..........Solderable printed circuit pins
RJ22 ...............MIL-STD-202; Method 208
Flexible leads ..........(7 strands of 30 AWG)
Weight ..........................................0.065 oz.
Wiper ...................................Set at CW end
Flammability...............................U.L. 94V-0
Popular values listed in boldface. Special
resistances available.
6.35
(.250)
SHADED AREAS TYPICALLY NOT STOCKED BY
DISTRIBUTORS AND NOT RECOMMENDED FOR NEW
DESIGNS.
*”FLUORINERT” IS A REGISTERED TRADEMARK OF 3M CO.
17
Specifications are subject to change without notice.
Features
■ Multiturn / Wirewound / Industrial /
Sealed
■ Listed on the QPL for style RT26 per
MIL-R-27208
3260/RT26 - 1/4” Square Trimming Potentiometer
Electrical Characteristics
Physical Characteristics
3260W/RT26
1.27
(.050)
Standard Resistance Range
Torque..................................3.0 oz-in. max.
3260 .................................10 to 25K ohms
RT26 ..................................10 to 5K ohms
(see standard resistance table)
Mechanical Stops......................Wiper idles
Terminals
3260 ..........Solderable printed circuit pins
1
2
3
Resistance Tolerance ...................±5% std.
(tighter tolerance available)
Absolute Minimum Resistance
RT26...............MIL-STD-202; Method 208
Weight ..........................................0.015 oz.
Marking
6.35 ± .51
(.250 ± .020)
4.32 ± .38
1.27
(.050)
(.170 ± .015)
3260..........................0.1% or 1 ohm max.
(whichever is greater)
3260 ................Manufacturer’s trademark,
resistance code, wiring diagram,
RT26 .......................0.25% or 1 ohm max.
(whichever is greater)
date code, manufacturer’s model
number and style
.89
(.035)
Noise ..........................100 ohms ENR max.
Resolution...................See resistance table
Insulation Resistance ....................500 vdc.
.................................1,000 megohms min.
Dielectric Strength
Sea Level ......................................600 vac
80,000 Feet...................................250 vac
Adjustment Angle..................11 turns nom.
RT26 .......................Mil-spec part number
Wiper ...................................Set at CW end
Flammability.................................UL 94V-0
Standard Packaging .........50 pcs. per tube
Adjustment Tool ..................................H-90
WIPER
2
How To Order
CW
CCW
3
1
CLOCKWISE
3260 H - 1 - 502
Model
Style
Environmental Characteristics
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
Power Rating
85°C ...........................................0.25 watt
150°C ..............................................0 watt
Temperature Range
3260................................-65°C to +150°C
RT26 ...............................-55°C to +150°C
Temperature Coefficient
Standard or Modified
Product Indicator
METRIC
(INCHES)
DIMENSIONS ARE:
-1 = Standard Product
Resistance Code
See page 81 for RT26 ordering information.
Consult factory for other available options.
Standard Resistance Table
3260........................................±70ppm/°C
RT26 .......................................±50ppm/°C
Seal Test ............................85°C Fluorinert*
Humidity............MIL-STD-202 Method 106
3260..............(2% ∆TR, 100 Megohms IR)
RT26 ...............(1% ∆TR, 10 Megohms IR)
Vibration
3260.............................30G (1% ∆TR; 1%
+ resolution ∆VR)
RT26 ............................20G (1% ∆TR; 1%
+ resolution ∆VR)
Nominal
3260H/RT26 "X" Style
Common Dimensions
Resistance
(Ohms)
Resistance
Code
Resolution
(Percent)
10
20
50
100
200
500
1,000
2,000
5,000
10,000
20,000
25,000
100
200
500
101
201
501
102
202
502
103
203
1.90
1.50
1.23
1.00
0.94
0.58
0.50
0.45
0.34
0.29
0.28
6.35 ± .51
(.250 ± .020)
.89
(.035)
1
2 3
6.35 ± .51
(.250 ± .020)
4.78 ± .38
(.188 ± .015)
Shock .................................................100G
(1% ∆TR; 1% + resolution ∆VR)
.76
(.030)
2.54
(.100)
253
0.23
Popular values listed in boldface. Special
resistances available.
2.54
(.100)
Load Life ....1,000 hours 0.25 watt @ 85°C
3260 .................(2% ∆TR; 500 ohms ENR)
RT26 ......(2% ∆TR; 2% + resolution ∆VR)
Rotational Life ............................200 cycles
3260 .................(2% ∆TR; 500 ohms ENR)
RT26...........................................(2% ∆TR)
1.02 ± .38
(.040 ± .015)
SHADED AREAS TYPICALLY NOT STOCKED BY
DISTRIBUTORS AND NOT RECOMMENDED FOR NEW
DESIGNS.
2.54
(.100)
4.32 ± .38
(.170 ± .015)
1.27
(.050)
1.27
(.050)
ADJ. SLOT
1.78
(.070)
DIA.
.41 ± .03
DIA.
.51
(.020)
(.016 ± .001)
WIDE
X
X
.51
DEEP
(.020)
*”FLUORINERT” IS A REGISTERED TRADEMARK OF 3M CO.
Specifications are subject to change without notice.
18
Features
■ Multiturn / Cermet / Industrial / Sealed
■ Listed on the QPL for style RJ26 per
MIL-R-22097 and RJR26 per
High-Rel MIL-R-39035
■ Patent #4427966 drive mechanism
3262/RJ26/RJR26 - 1/4” Trimming Potentiometer
Electrical Characteristics
Physical Characteristics (cont.)
3262P/RJ 26/RJ R26
Standard Resistance Range
........................................10 to 1 megohm
(see standard resistance table)
Resistance Tolerance .................±10% std.
(tighter tolerance available)
Absolute Minimum Resistance..........1% or
2 ohms max. (whichever is greater)
Contact Resistance Variation .........3.0% or
3 ohms max. (whichever is greater)
Adjustability
Voltage..........................................±0.02%
Resistance ....................................±0.05%
Resolution.........................................Infinite
Insulation Resistance ....................500 vdc.
Weight ..........................................0.015 oz.
Marking
1
2 3
1.02
(.040)
4.70
(.185)
3262 ................Manufacturer’s trademark,
resistance code, wiring diagram,
date code, manufacturer’s model
number and style
RJ26/RJR26 ...........Mil-spec part number
Wiper................Positioned at 50% nominal
Flammability...............................U.L. 94V-0
Standard Packaging .........50 pcs. per tube
Adjustment Tool ..................................H-90
.64
(.025)
2.54
2.54
(.100)
(.100)
2.54
(.100)
.64
(.025)
How To Order
3262 P - 1 - 103
1,000 megohms min.
Model
Style
Dielectric Strength
Sea Level ......................................600 vac
80,000 Feet...................................250 vac
Effective Travel......................12 turns nom.
WIPER
2
Standard or Modified
Product Indicator
CW
CCW
3
1
-1 = Standard Product
CLOCKWISE
Resistance Code
Environmental Characteristics
See page 82 for RJ26/RJR26 ordering
information.
Power Rating
(3262 300 volts max.;
RJ26/RJR26 200 volts max.)
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
METRIC
(INCHES)
Consult factory for other available options.
DIMENSIONS ARE:
85°C ...........................................0.25 watt
150°C ..............................................0 watt
Temperature Range ..........-65°C to +150°C
Temperature Coefficient .........±100ppm/°C
Seal Test ............................85°C Fluorinert*
Humidity
3262 ................MIL-STD-202 Method 103
96 hours (2% ∆TR, 100 Megohms IR)
RJ26 ................MIL-STD-202 Method 106
96 hours (1% ∆TR, 10 Megohms IR)
RJR26 .............MIL-STD-202 Method 106
96 hours (1% ∆TR, 100 Megohms IR)
Vibration
3262 ....................30G (1% ∆TR; 1% ∆VR)
RJ26/RJR26........20G (1% ∆TR; 1% ∆VR)
Shock..................100G (1% ∆TR; 1% ∆VR)
Load Life
3262 .........1,000 hours 0.25 watt @ 85°C
(3% ∆TR; 3% or 3 ohms,
3262W/RJ 26/RJ R26
Common Dimensions
6.35 ± .51
(.250 ± .020)
4.32 ± .38
(.170 ± .015)
ADJ. SLOT
1.78
Standard Resistance Table
DIA.
(.070)
.51
(.020)
.64
(.025)
6.35 ± .51
(.250 ± .020)
Resistance
(Ohms)
Resistance
Code
WIDE
DEEP
X
X
10
100
200
500
101
201
501
1.02
20
(.040)
1
2 3
50
.46 ± .025
100
200
500
DIA.
(.018 ± .001)
4.78 ± .38
(.188 ± .015)
2.54
(.100)
1,000
2,000
5,000
10,000
20,000
102
202
502
103
203
2.54
(.100)
.76
(.030)
2.54
(.100)
25,000
253
503
104
204
254
504
105
50,000
1.02
(.040)
whichever is greater, CRV)
100,000
200,000
250,000
500,000
1,000,000
RJ26 .........1,000 hours 0.25 watt @ 85°C
(2% ∆TR; 1% ∆VR)
RJR26.....10,000 hours 0.25 watt @ 85°C
(3% ∆TR)
Rotational Life ............................200 cycles
3262 ..................(2% ∆TR; 3% or 3 ohms,
whichever is greater, CRV)
3262X/RJ 26/RJ R26
1.52 ± .38
*
1.02
(.040)
(.060 ± .015)
Popular values listed in boldface. Special
resistances available.
SHADED AREAS TYPICALLY NOT STOCKED BY
DISTRIBUTORS AND NOT RECOMMENDED FOR NEW
DESIGNS.
1.02
(.040)
*
1
2 3
RJ26/RJR26 ...............................(2% ∆TR)
2.54
(.100)
Physical Characteristics
Torque..................................3.0 oz-in. max.
Mechanical Stops......................Wiper idles
Terminals
.76
(.030)
2.54
(.100)
3262 .................................Solderable pins
RJ26/RJR26 ...MIL-STD-202; Method 208
1.02
(.040)
Common dimensions
*
*”FLUORINERT” IS A REGISTERED TRADEMARK OF 3M CO.
19
Specifications are subject to change without notice.
Features
■ Multiturn / Cermet / Industrial / Sealed
■ Standoffs allow thorough PC board
washing
■ Tape and reel packaging available
(see page 70 for details)
■ Patent #4427966 drive mechanism
3266 - 1/4” Square Trimming Potentiometer
6.35
(.250)
3266W
Common Dimensions
3266Y
1.52 ± .38
(.060 ± .015)
*
Electrical Characteristics
4.32
(.170)
1.52 ± .38
(.060 ± .015)
Standard Resistance Range
*
6.35
(.250)
....................................10 to 1 megohm
(see standard resistance table)
Resistance Tolerance .............±10% std.
Absolute Minimum Resistance
...............................1% or 2 ohms max.
(whichever is greater)
Contact Resistance Variation
............................3.0% or 3 ohms max.
(whichever is greater)
TYP.
*
ADJ. SLOT
1.02
(.040)
1.78
(.070)
DIA.
4.32 ± .38
(.170 ± .015)
*
.56
(.022)
1.02
(.040)
WIDE
X
X
6.85 ± .51
(.270 ± .020)
1.02
(.040 )
TYP.
*
1
2 3
.64
DEEP
(.025)
6.85 ± .51
(.270 ± .020)
.38
4.78 ± .38
(.188 ± .015)
*
0.38
(.015)
MIN.
1
2 3
(.015)
2.54
(.100)
4.32
Adjustability
.46 ± .03
(.018 ± .001)
2.54
(.100)
DIA.
*
(.170)
Voltage ......................................±0.02%
Resistance ................................±0.05%
Resolution.....................................Infinite
Insulation Resistance ................500 vdc.
1,000 megohms min.
2.54
(.100)
2.54
(.100)
3.18
(.125)
2.16
(.085)
.76*
(.030)
2.54
(.100)
3266Z
1.52 ± .38
6.85 ± .51
(.270 ± .020)
*
1.02
(.040)
(.060 ± .015)
Dielectric Strength
Sea Level ..................................600 vac
80,000 Feet...............................250 vac
Effective Travel..................12 turns nom.
3266P
4.32
(.170)
1.02 ± 0.25
(.040 ± .010)
1
2
3
.76
(.030)
4.32 ± .38
(.170 ± .015)
1.02
Environmental Characteristics
(.040)
0.38
MIN.
1.02
(.040)
Power Rating (300 volts max.)
1.02
(.040)
(.015)
2.54
(.100)
1
2 3
70°C .......................................0.25 watt
150°C ..........................................0 watt
Temperature Range ......-55°C to +150°C
Temperature Coefficient .....±100ppm/°C
Seal Test ........................85°C Fluorinert*
Humidity........MIL-STD-202 Method 103
96 hours (2% ∆TR, 10 Megohms IR)
Vibration............30G (1% ∆TR; 1% ∆VR)
Shock..............100G (1% ∆TR; 1% ∆VR)
Load Life ....1,000 hours 0.25 watt 70°C
(3% ∆TR; 3% CRV)
2.54
(.100)
6.85 ± .51
(.270 ± .020)
2.54
(.100)
.76
(.030)
2.54
(.100)
4.32
(.170)
2.54
(.100)
2.16
3.18
(.125)
3266X
(.085)
1.52
(.060)
1.02
(.040)
WIPER
2
Rotational Life ........................200 cycles
(4% ∆TR; 3% or 3 ohms,
CW
CCW
3
1
1.02
(.040)
1
2 3
CLOCKWISE
whichever is greater, CRV)
.38
(015)
MIN.
*
2.54
(.100)
Standard Resistance Table
Physical Characteristics
2.54
(.100)
Resistance
(Ohms)
Resistance
Code
Torque .............................3.0 oz-in. max.
Mechanical Stops..................Wiper idles
Terminals ........................Solderable pins
Weight ......................................0.015 oz.
Marking ...........................Manufacturer’s
trademark, resistance code,
.76
(.030)
2.54
(.100)
10
100
200
500
101
201
501
102
202
502
103
203
253
503
104
204
254
504
105
20
50
1.02
(.040)
100
200
500
Common dimensions
*
wiring diagram, date code,
1,000
2,000
5,000
10,000
20,000
25,000
50,000
100,000
200,000
250,000
500,000
1,000,000
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
manufacturer’s model
METRIC
(INCHES)
number and style
DIMENSIONS ARE:
Wiper ...........Positioned at 50% nominal
Flammability...........................U.L. 94V-0
Standard Packaging .....50 pcs. per tube
Adjustment Tool ..............................H-90
How to Order
3266 W - 1 - 103
Model
Style
*”FLUORINERT” IS A REGISTERED TRADEMARK OF 3M CO.
Standard or Modified
Product Indicator
Popular values listed in boldface. Special
resistances available.
-1 = Standard Product
SHADED AREAS TYPICALLY NOT STOCKED BY
DISTRIBUTORS AND NOT RECOMMENDED FOR NEW
DESIGNS.
Resistance Code
Consult factory for other available options.
Specifications are subject to change without notice.
20
Features
■ Low TCR
Applications
■ Rheostat applications with wiper currents
less than 25 microamps
■ Multiturn / Cermet / Industrial / Sealed
■ Process control instrumentation
■ Power supplies
■ Standoffs allow thorough PC board
washing
■ Patent #4427966 drive mechanism
3266-LTC - 1/4” Square Trimming Potentiometer
3266W
Common Dimensions
Electrical Characteristics
Standard Resistance Table
1.52 ± .38
(.060 ± .015)
Standard Resistance Range
*
Resistance
(Ohms)
Resistance
Code
6.35
(.250)
.....................................2K to 25K ohms
(see standard resistance table)
Resistance Tolerance .............±10% std.
Absolute Minimum Resistance
...............................1% or 2 ohms max.
(whichever is greater)
Contact Resistance Variation
............................3.0% or 3 ohms max.
(whichever is greater)
TYP.
*
2,000
5,000
10,000
20,000
25,000
202
502
103
203
253
ADJ. SLOT
1.78
(.070)
DIA.
4.32 ± .38
*
(.170 ± .015)
.56
(.022)
1.02
(.040)
WIDE
X
X
6.85 ± .51
TYP.
*
.64
(.270 ± .020)
DEEP
(.025)
Popular values listed in boldface. Special
resistances available.
.38
4.78 ± .38
(.188 ± .015)
*
(.015)
1
2 3
Adjustability
.46 ± .03
(.018 ± .001)
DIA.
*
Voltage ......................................±0.02%
Resistance ................................±0.05%
Resolution.....................................Infinite
Insulation Resistance ................500 vdc.
1,000 megohms min.
2.54
(.100)
2.54
(.100)
How To Order
.76*
(.030)
2.54
(.100)
3266 W - LTC - 103
1.02
(.040)
Model
Dielectric Strength
Style
Sea Level ..................................600 vac
80,000 Feet...............................250 vac
Effective Travel..................12 turns nom.
3266P
Product Indicator
1
2
3
.76
(.030)
4.32 ± .38
(.170 ± .015)
Resistance Code
Consult factory for other available options.
Environmental Characteristics
1.02
(.040)
Power Rating (300 volts max.)
2.54
(.100)
70°C .......................................0.25 watt
150°C ..........................................0 watt
Temperature Range
....................................-55°C to +150°C
Temperature Coefficient
2.54
(.100)
2.54
.76
(.030)
(.100)
End to End ..........................±20ppm/°C
Through the Wiper..............±50ppm/°C
Seal Test ........................85°C Fluorinert*
Humidity........MIL-STD-202 Method 103
96 hours (2% ∆TR, 10 Megohms IR)
Vibration............30G (1% ∆TR; 1% ∆VR)
Shock..............100G (1% ∆TR; 1% ∆VR)
Load Life ....1,000 hours 0.25 watt 70°C
(3% ∆TR; 3% CRV)
3266X
1.52
(.060)
1.02
(.040)
1.02
(.040)
1
2 3
.38
(015)
MIN.
Rotational Life ........................200 cycles
(4% ∆TR; 3% or 3 ohms,
*
2.54
(.100)
2.54
(.100)
whichever is greater, CRV)
.76
(.030)
2.54
(.100)
Physical Characteristics
Torque .............................3.0 oz-in. max.
Mechanical Stops..................Wiper idles
Terminals ........................Solderable pins
Weight ......................................0.015 oz.
Marking ...........................Manufacturer’s
trademark, resistance code,
1.02
(.040)
Common dimensions
*
WIPER
2
wiring diagram, date code,
manufacturer’s model
CW
CCW
3
1
number and style
CLOCKWISE
Wiper ...........Positioned at 50% nominal
Flammability...........................U.L. 94V-0
Standard Packaging .....50 pcs. per tube
Adjustment Tool ..............................H-90
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
METRIC
DIMENSIONS ARE:
(INCHES)
NOTE: TCR through the wiper applies when 40% or more
of the resistance element is in the circuit.
*”FLUORINERT” IS A REGISTERED TRADEMARK OF 3M CO.
21
Specifications are subject to change without notice.
Features
■ Stable, infinite resolution cermet element
■ Vertical and horizontal adjust styles
■ Optional packaging on embossed tape
■ Compatible with surface mount
manufacturing processes
3269 - 1/4” Square SMD Trimming Potentiometer
3269P
Common Dimensions
Electrical Characteristics
WIPER
2
.51
(.020)
.51
(.020)
1.78
(.070)
Standard Resistance Range
ADJ. SLOT
DIA.
WIDE
X
X
DEEP
....................................10 to 1 megohm
(see standard resistance table)
Resistance Tolerance .............±10% std.
(closer tolerance available)
CW
CCW
3
1
1.02
(.040)
6.35 ± .51
(.250 ± .020)
CLOCKWISE
1.02
(.040)
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
Absolute Minimum Resistance
...............................1% or 2 ohms max.
(whichever is greater)
Contact Resistance Variation
............................3.0% or 3 ohms max.
(whichever is greater)
TYP
3 PLCS.
5.21
(.205)
METRIC
(INCHES)
DIMENSIONS ARE:
2.54
(.015)
TYP. 3 PLCS.
2
3
1
How To Order
1.52 ± .38
(.060 ± .015)
2.54
(.100)
3269 X - 1 - 103 G
Adjustability
Model
2.54
(.100)
Voltage ......................................±0.02%
Resistance ................................±0.05%
Resolution.....................................Infinite
Insulation Resistance ................500 vdc.
1,000 megohms min.
.46 ± .03
(.018 ± .001)
DIA. TYP.
Style
Standard Product
Resistance Code
3269W
.43 ± .05
(.017 ± .002)
DIA. TYP.
Optional Suffix Letter
G= Embossed Tape
Dielectric Strength
3
1
“P” Style - 750 pcs./13˝ reel
“W, X” Style - 500 pcs./13˝ reel
Sea Level ..................................600 vac
80,000 Feet...............................250 vac
Effective Travel..................12 turns nom.
1.52 ± .38
(.060 ± .015)
2
1.02
(.040)
Environmental Characteristics
4.32
(.170)
Maximum Exposure (Temp/Time)
.................................... +245°C/10 sec.
Power Rating (300 volts max.)
6.35 ± .51
(.250 ± .020)
SQ.
Standard Resistance Table
1.02
(.040)
1.02
Resistance
(Ohms)
10
20
50
Resistance
Code
85°C .......................................0.25 watt
150°C ..........................................0 watt
Temperature Range ......-65°C to +150°C
Temperature Coefficient .....±100ppm/°C
Seal Test ........................85°C Fluorinert*
Humidity........MIL-STD-202 Method 106
(2% ∆TR; IR 100 Megohms)
Vibration............30G (1% ∆TR; 1% ∆VR)
Shock..............100G (1% ∆TR; 1% ∆VR)
Load Life...1,000 hours 0.25 watt @ 85°C
(3% ∆TR; 3% or 3 ohms
(.040)
TYP
7.37
(.290)
100
200
500
100
101
201
501
102
202
502
103
203
253
503
104
2.54
(.015)
2.54
(.100)
2.54
(.100)
TYP.
200
3 PLCS.
500
1,000
2,000
5,000
10,000
20,000
25,000
50,000
100,000
3269X
1.52 ± .38
(.060 ± .015)
1.02
(.040)
whichever is greater, CRV)
Rotational Life ........................200 cycles
(2% ∆TR; 3% or 3 ohms,
1.02
(.040)
200,000
250,000
500,000
1,000,000
204
254
504
105
7.37
(.290)
whichever is greater, CRV)
Physical Characteristics
SHADED AREAS TYPICALLY NOT STOCKED BY
DISTRIBUTORS AND NOT RECOMMENDED FOR NEW
DESIGNS.
2
2.29
(.090)
Torque .............................3.0 oz-in. max.
Mechanical Stops..................Wiper idles
Terminals ........................Solderable pins
Weight ......................................0.015 oz.
Marking ...........................Manufacturer’s
trademark, resistance code,
TYP.
3 PLCS.
3
1
RECOMMENDED PCB
LAYOUT - "P"
wiring diagram, date code,
RECOMMENDED PCB
LAYOUT - "W" & "X"
manufacturer’s model
1.19
TYP.
number and style
Standard Packaging .....50 pcs. per tube
Adjustment Tool ..............................H-90
(.047)
9.70
2.79
(.382)
(.110)
TYP.
2.54
7.62
(.100)
(.300)
2.54
(.100)
*”FLUORINERT” IS A REGISTERED TRADEMARK OF 3M CO.
3.30
(.130)
TYP.
2.54
2.54
1.19
TYP.
(.100)
(.100)
(.047)
Specifications are subject to change without notice.
22
3269 - Packaging Specifications
Packaging Specifications
Packaging Specifications
(P Style)
(W & X Styles)
EMBOSSED
CARRIER TAPE
EMBOSSED
CARRIER TAPE
COVER TAPE
COVER TAPE
7.50 ± .10
(.295 ± .004)
7.50 ± .10
(.295 ± .004)
1.5 + .10/ –.00
(.059 + .004/ –.000)
DIA.
1.5 + .10/ –.00
(.059 + .004/ –.000)
DIA.
4.00 ± .01
(.157 ± .004)
4.00 ± .01
(.157 ± .004)
2.00 ± .05
(.079 ± .002)
2.00 ± .05
(.079 ± .002)
12.00 ± .10
(.472 ± .004)
12.00 ± .10
(.472 ± .004)
1.75 ± .10
(.069 ± .004)
16.0 ± .10
(.630 ± .004)
1.75 ± .10
(.069 ± .004)
TAPE
16.0 ± .10
(.630 ± .004)
TAPE
17.78 ± .25
(.700 ± .010)
EQUAL SPACED 3 PLCS.
17.78 ± .25
(.700 ± .010)
18.69 ± .79
(.736 ± .031)
EQUAL SPACED 3 PLCS.
DIA.
13.0 ± .51
(.512 ± .020)
18.69 ± .79
(.736 ± .031)
DIA.
DIA.
13.0 ± .51
(.512 ± .020)
DIA.
99.06 ± 1.02
(3.90 ± .040)
99.06 ± 1.02
(3.90 ± .040)
330.2 ± 5.08
(13.000 ± .200)
DIA.
16.51 ± 2.03/ -.000
(.650 ± .080/ -.000)
330.2 ± 5.08
(13.000 ± .200)
DIA.
REEL
16.51 ± 2.03/ -.000
(.650 ± .080/ -.000)
REEL
Units packaged 500 pieces per reel.
Units packaged 750 pieces per reel.
23
Specifications are subject to change without notice.
Features
■ Multiturn/ Wirewound / Industrial / Sealed
■ Listed on the QPL for style RT24 per
MIL-R-27208 and RTR24 per
High-Rel MIL-R-39015
■ Panel mount option available
(see page 73 for details)
3290/RT24/RTR24 - 3/8” Square Trimming Potentiometer
3290W/RT24/RTR24
Electrical Characteristics
Physical Characteristics (cont.)
2.54
Standard Resistance Range
Marking
(.100)
3
3290 .................................10 to 50K ohms
RT24 ................................10 to 10K ohms
RTR24 ............................500 to 10K ohms
(see standard resistance table)
Resistance Tolerance ...................±5% std.
(tighter tolerance available)
3290 ................Manufacturer’s trademark,
2
resistance code, wiring diagram,
date code, manufacturer’s model
1
number and style
2.54
1.19
RT24/RTR24 ...........Mil-spec part number
(.100)
(.075)
Wiper................Positioned at 50% nominal
Absolute Minimum Resistance
..................................0.1% or 1 ohm max.
(whichever is greater)
Flammability...............................U.L. 94V-0
Standard Packaging .........50 pcs. per tube
Adjustment Tool ..................................H-90
WIPER
2
Noise ..........................100 ohms ENR max.
Resolution
.................(see standard resistance table)
Insulation Resistance ....................500 vdc.
1,000 megohms min.
How to Order
CW
CCW
3
1
CLOCKWISE
3290 H - 1 - 103 M
Model
Style
Dielectric Strength
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
Sea Level ...................................1,000 vac
80,000 Feet...................................350 vac
Adjustment Travel .................25 turns nom.
METRIC
(INCHES)
Standard or Modified
Product Indicator
DIMENSIONS ARE:
-1 = Standard Product
Environmental Characteristics
Resistance Code
Optional Suffix Letter
Power Rating @ 85°C
M = Panel Mount
(Factory Installed)
3290 .............................................1.0 watt
RT24/RTR24 ...............................0.75 watt
Power Rating @ 150°C......................0 watt
Temperature Range ..........-65°C to +150°C
Temperature Coefficient ...........±50ppm/°C
Seal Test ............................85°C Fluorinert*
Humidity
Standard Resistance Table
Nominal
Resolution
(Percent)
Resistance
(Ohms)
Resistance
Code
See page 81 for RT24/RTR24 ordering
information.
Consult factory for other available options.
10
20
100
200
500
101
201
501
1.11
0.93
0.62
0.60
0.54
0.42
50
100
200
500
3290 ................MIL-STD-202 Method 106
96 hours (2% ∆TR; 100 Megohms IR)
RT24 ...............(1% ∆TR; 10 Megohms IR)
RTR24...........(1% ∆TR; 100 Megohms IR)
Vibration
3290....................................................30G
(1% ∆TR; 0.5% + resolution ∆VR)
RT24/RTR24 .......................................20G
(1% ∆TR; 0.5% + resolution ∆VR)
Shock .................................................100G
(1% ∆TR; 0.5% + resolution ∆VR)
Load Life
3290 ...........1,000 hours 1.0 watt @ 85°C
(2% ∆TR; 500 ohms ENR)
RT24 .........1,000 hours 0.75 watt @ 85°C
(2% ∆TR; 2% + resolution ∆VR)
RTR24.....10,000 hours 0.75 watt @ 85°C
(3% + resolution ∆VR)
3290H/RT24X/RTR24X
Common Dimensions
1,000
2,000
102
202
502
103
203
253
503
0.33
0.26
0.20
0.17
0.14
0.13
0.11
1.02
(.040)
3.81
1.27*
(.050)
(.150)
9.53 ± .38
*
5,000
(.375 ± .015)
10,000
20,000
25,000
50,000
9.53 ± .38
1.52
(.060)
*
*
(.375 ± .015)
3
2 1
8.00 ± .38
(.315 ± .015)
Popular values listed in boldface. Special
resistances available.
.51 ± .03
(.020 ± .001)
TYP.
*
SHADED AREAS TYPICALLY NOT STOCKED BY
DISTRIBUTORS AND NOT RECOMMENDED FOR NEW
DESIGNS.
1.91
(.075)
DIA. TYP.
*
ADJ. SLOT
2.54
(.100)
1.52
(.060)
.51
(.020)
.64
DIA.
2.54
(.100)
4.75
(.187)
WIDE
DEEP
X
X
(.025)
Rotational Life ............................200 cycles
3290 .................(2% ∆TR; 500 ohms ENR)
RT24/RTR24...............................(2% ∆TR)
3290P/RT24/RTR24
4.75
(.187)
1
Physical Characteristics
2
3
4.75
(.187)
Torque..................................5.0 oz-in. max.
Mechanical Stops......................Wiper idles
Terminals
3290 ..........Solderable printed circuit pins
RT24/RTR24...MIL-STD-202; Method 208
Weight ..........................................0.025 oz.
2.54
2.54
(.100)
(.100)
2.54
(.100)
Common dimensions
*
*”FLUORINERT” IS A REGISTERED TRADEMARK OF 3M CO.
Specifications are subject to change without notice.
24
Features
■ Multiturn / Cermet / Industrial / Sealed
■ Optional panel mount available
(see page 73 for details)
■ Patent #4427966 drive mechanism
■ Thin body profile
3292 - 3/8” Square Trimming Potentiometer
Electrical Characteristics
3292L
Common Dimensions
3292X
1.52
(.060)
*
Standard Resistance Range
9.53 ± .38
(.375 ± .015)
1.02
(.040)
9.53 ± .38
(.375 ± .015)
1.02
(.040)
TYP.
*
*
....................................10 to 1 megohm
(see standard resistance table)
Resistance Tolerance .............±10% std.
(tighter tolerance available)
Absolute Minimum Resistance
...............................1% or 2 ohms max.
(whichever is greater)
Contact Resistance Variation
3292....................1.0% or 3 ohms max.
(whichever is greater)
45° ± 3°
.381 + .25/-.13*
(.150 +.010/-.005)
9.53 ± .38
(.375 ± .015)
9.53 ± .38
(.375 ± .015)
2.54
(.010)
MIN.*
TYP.
*
1.27
(.050)
*
3
2
1
8.26 ± .635
(.325 ± .025)
*
1.91
(.075)
*
10.64
(.419)
2.54
(.100)
2.54
(.100)
4.75 ± .51*
ADJ. SLOT
1.57
(.062)
MIN.
.51 ± .03
(.020 ± .001)
DIA. TYP.
1.52
(.060)
.51
(.020)
.64
DIA.
152.4
(6.00)
MIN. LENGTH
WIDE
DEEP
X
X
Adjustability
(.187 ± .020)
WIRE SIZE: 30AWG
Voltage ......................................±0.01%
Resistance ................................±0.05%
Resolution.....................................Infinite
Insulation Resistance ................500 vdc.
1,000 megohms min.
(.025)
3292P
RED
WIPER
4.75 ± .51
(.187 ± .020)
2
GREEN
CW
YELLOW
CCW
3
1
2.54
(.100)
ADJ. SLOT
2.29
8.26 ± .635
(.325 ± .025)
Dielectric Strength
CLOCKWISE
DIA.
(.090)
.56
(.022)
.76
Sea Level ...............................1,000 vac
80,000 Feet...............................400 vac
Effective Travel..................25 turns nom.
WIDE
DEEP
X
X
1
3
Standard Resistance Table
2
*
(.030)
Resistance
(Ohms)
10
20
50
Resistance
Code
4.75 ± .51*
(.187 ± .020)
Environmental Characteristics
2.54
(.100)
2.54
(.100)
Power Rating (400 volts max.)
100
200
500
85°C .........................................0.5 watt
150°C ..........................................0 watt
Temperature Range ......-65°C to +150°C
Temperature Coefficient .....±100ppm/°C
Seal Test ........................85°C Fluorinert*
(pin styles only)
Humidity........MIL-STD-202 Method 103
96 hours (1% ∆TR, 100 Megohms IR)
Vibration............30G (1% ∆TR; 1% ∆VR)
Shock..............100G (1% ∆TR; 1% ∆VR)
Load Life ..1,000 hours 0.5 watt @ 85°C
(2% ∆TR; 3% or 3 ohms,
100
101
201
501
102
202
502
103
203
253
503
104
3292W
200
500
1,000
2,000
5,000
10,000
20,000
25,000
50,000
100,000
.254
(.010)
MIN.
1
2
3
1.91
(.075)
8.26 ± .635*
(.325 ± .025)
2.54
(.100)
200,000
250,000
500,000
1,000,000
204
254
504
105
2.54
(.100)
whichever is greater, CRV)
Rotational Life ........................200 cycles
(2% ∆TR; 3% or 3 ohms,
Common dimensions
*
Popular values listed in boldface. Special
resistances available.
whichever is greater, CRV)
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
SHADED AREAS TYPICALLY NOT STOCKED BY
DISTRIBUTORS AND NOT RECOMMENDED FOR NEW
DESIGNS.
Physical Characteristics
METRIC
(INCHES)
DIMENSIONS ARE:
Torque .............................5.0 oz-in. max.
Mechanical Stops..................Wiper idles
Terminals
..............Solderable printed circuit pins
Weight ......................................0.025 oz.
Machine Screw Mounting
Torque ..............................12 oz-in. max.
Marking
How To Order
3292 W - 1 - 103 M
Model
Style
....................Manufacturer’s trademark,
resistance code, wiring diagram, date
code, manufacturer’s model number
and style
Wiper ...........Positioned at 50% nominal
Flammability...........................U.L. 94V-0
Standard Packaging
P,W &X Styles ..............50 pcs. per tube
L Style ..........................50 pcs. per bag
Adjustment Tool ..............................H-90
Standard or Modified
Product Indicator
-1 = Standard Product
Resistance Code
Optional Suffix Letter
M = Panel Mount Model 3292L, W & X
(Factory Installed)
Consult factory for other available options.
25
*”FLUORINERT” IS A REGISTERED TRADEMARK OF 3M CO.
Specifications are subject to change without notice.
Features
■ Multiturn / Cermet / Industrial / Sealed
■ 5 terminal styles
■ Tape and reel packaging available
■ Chevron seal design
■ Listed on the QPL for style RJ24 per
MIL-R-22097 and RJR24 per High-Rel
Mil-R-39035
3296 - 3/8” Square Trimming Potentiometer
Common Dimensions
3296Y (Commercial Only)
Electrical Characteristics
1.14
2.54
(.100)
(.045)
Standard Resistance Range
6.40 ± 1.32
(.252 ± .052)
10.03
(.395)
3
2
1
..................................10 to 5 megohms
(see standard resistance table)
Resistance Tolerance .............±10% std.
(tighter tolerance available)
Absolute Minimum Resistance
...............................1% or 2 ohms max.
(whichever is greater)
Contact Resistance Variation
............................1.0% or 3 ohms max.
(whichever is greater)
4.83 ± .13
(.190 ± .005)
1.52
(.060)
.38
MIN.
(.015)
2.54
(.100)
2.54
(.100)
1.12
(.044)
9.53
(.375)
2.54
(.100)
2.54
(.100)
3296Z (Commercial Only)
1.09
(.043)
1.14
(.045)
ADJ. SLOT
2.54
(.100)
2.29
(.090)
DIA.
3
2
1
.56
(.022)
.51 ± .03
(.020 ± .001)
DIA.
WIDE
X
.76
Adjustability
2.54
(.100)
2.54
(.100)
DEEP
(.030)
X
Voltage ......................................±0.01%
Resistance ................................±0.05%
Resolution.....................................Infinite
Insulation Resistance ................500 vdc.
1,000 megohms min.
3296P
8.26 ± .64
(.325 ± .025)
2.54
(.100)
2.54
(.100)
WIPER
2
3
2
Dielectric Strength
CW
CCW
3
1
Sea Level ..................................900 vac
70,000 Feet...............................350 vac
Effective Travel..................25 turns nom.
CLOCKWISE
2.54
(.100)
1
5.23
(.206)
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
3296W
2.41
(.095)
Environmental Characteristics
2.54
(.100)
METRIC
(INCHES)
DIMENSIONS ARE:
Power Rating (300 volts max.)
70°C .........................................0.5 watt
125°C ..........................................0 watt
Temperature Range
3
2
1
2.54
(.100)
....................................-55°C to +150°C
Temperature Coefficient
..........................................±100ppm/°C
Seal Test ........................85°C Fluorinert*
Humidity........MIL-STD-202 Method 103
96 hours
Standard Resistance Table
3296X
Resistance
(Ohms)
Resistance
Code
2.54
(.100)
10
100
200
500
101
201
501
102
202
502
103
203
253
503
104
204
254
504
105
205
3
2
1
20
50
100
2.54
(.100)
(2% ∆TR, 10 Megohms IR)
2.41
(.095)
200
Vibration............20G (1% ∆TR; 1% ∆VR)
Shock..............100G (1% ∆TR; 1% ∆VR)
Load Life
................1,000 hours 0.5 watt @ 70°C
(3% ∆TR; 3% or 3 ohms,
whichever is greater, CRV)
Rotational Life ........................200 cycles
(4% ∆TR; 3% or 3 ohms,
500
1,000
2,000
5,000
10,000
20,000
25,000
50,000
100,000
200,000
250,000
500,000
1,000,000
2,000,000
How To Order
3296 W - 1 - 103
Model
Style
whichever is greater, CRV)
Standard or Modified
Product Indicator
Physical Characteristics
-1 = Standard Product
Resistance Code
Consult factory for other available options.
Torque .............................3.0 oz-in. max.
Mechanical Stops..................Wiper idles
Terminals ........................Solderable pins
Weight ........................................0.03 oz.
Marking ...........................Manufacturer’s
trademark, resistance code,
Popular values listed in boldface. Special
resistances available.
wiring diagram, date code,
manufacturer’s model
number and style
Wiper ..........Positioned at 50% nominal
Flammability ..........................U.L. 94V-0
Standard Packaging .....50 pcs. per tube
Adjustment Tool ..............................H-90
*”FLUORINERT” IS A REGISTERED TRADEMARK OF 3M CO.
Specifications are subject to change without notice.
26
Features
■ Low TCR
Applications
■ Rheostat applications with wiper currents
less than 25 microamps
■ Multiturn / Cermet / Industrial / Sealed
■ 3 terminal styles
■ Process control instrumentation
■ Power supplies
■ Chevron seal design
3296-LTC - 3/8” Square Trimming Potentiometer
Common Dimensions
Electrical Characteristics
Standard Resistance Table
Standard Resistance Range
6.40 ± 1.32
(.252 ± .052)
10.03
(.395)
Resistance
(Ohms)
Resistance
Code
.....................................2K to 25K ohms
(see standard resistance table)
Resistance Tolerance .............±10% std.
(tighter tolerance available)
Absolute Minimum Resistance
...............................1% or 2 ohms max.
(whichever is greater)
Contact Resistance Variation
............................1.0% or 3 ohms max.
(whichever is greater)
4.83 ± .13
(.190 ± .005)
1.52
(.060)
.38
2,000
5,000
10,000
20,000
25,000
202
502
103
203
253
MIN.
(.015)
1.12
(.044)
9.53
(.375)
2.54
(.100)
2.54
(.100)
1.09
(.043)
Popular values listed in boldface. Special
resistances available.
ADJ. SLOT
2.29
(.090)
DIA.
.56
(.022)
.51 ± .03
(.020 ± .001)
DIA.
WIDE
X
X
.76
Adjustability
DEEP
(.030)
Voltage ......................................±0.01%
Resistance ................................±0.05%
Resolution.....................................Infinite
Insulation Resistance ................500 vdc.
1,000 megohms min.
How To Order
3296P
8.26 ± .64
(.325 ± .025)
3296 W - LTC - 103
2.54
(.100)
2.54
(.100)
Model
3
2
Style
Dielectric Strength
Product Indicator
Sea Level ..................................900 vac
70,000 Feet...............................350 vac
Effective Travel..................25 turns nom.
2.54
(.100)
1
Resistance Code
5.23
(.206)
Consult factory for other available options.
3296W
2.41
(.095)
Environmental Characteristics
2.54
(.100)
Power Rating (300 volts max.)
70°C .........................................0.5 watt
125°C ..........................................0 watt
Temperature Range
3
2
1
2.54
(.100)
....................................-55°C to +150°C
Temperature Coefficient
3296X
End to End ..........................±20ppm/°C
Through the Wiper..............±50ppm/°C
Seal Test ........................85°C Fluorinert*
Humidity........MIL-STD-202 Method 103
96 hours
2.54
(.100)
3
2
1
2.54
(.100)
2.41
(.095)
(2% ∆TR, 10 Megohms IR)
Vibration............20G (1% ∆TR; 1% ∆VR)
Shock..............100G (1% ∆TR; 1% ∆VR)
Load Life
................1,000 hours 0.5 watt @ 70°C
(3% ∆TR; 3% or 3 ohms,
whichever is greater, CRV)
Rotational Life ........................200 cycles
(4% ∆TR; 3% or 3 ohms,
WIPER
2
CW
CCW
3
1
CLOCKWISE
whichever is greater, CRV)
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
METRIC
(INCHES)
Physical Characteristics
DIMENSIONS ARE:
Torque .............................3.0 oz-in. max.
Mechanical Stops..................Wiper idles
Terminals ........................Solderable pins
Weight ........................................0.03 oz.
Marking ...........................Manufacturer’s
trademark, resistance code,
wiring diagram, date code,
manufacturer’s model
number and style
Wiper ..........Positioned at 50% nominal
Flammability ..........................U.L. 94V-0
Standard Packaging .....50 pcs. per tube
Adjustment Tool ..............................H-90
NOTE: TCR through the wiper applies when 40% or more
of the resistance element is in the circuit.
*”FLUORINERT” IS A REGISTERED TRADEMARK OF 3M CO.
27
Specifications are subject to change without notice.
Features
■ Multiturn / Cermet / Industrial / Sealed
■ Standoffs
■ Patent #4427966 drive mechanism
■ Listed on the QPL for style RJ24 per
MIL-R-22097 and RJR24 per High-Rel
Mil-R-39035
RJ24/RJR24 - 3/8” Square Trimming Potentiometer
Common Dimensions
Electrical Characteristics
Standard Resistance Table
10.03
(.395)
1.52
(.060)
MIN.
Standard Resistance Range
6.40 ± 1.32
(.252 ± .052)
Resistance
(Ohms)
Resistance
Code
....................................10 to 1 megohm
(see standard resistance table)
Resistance Tolerance .............±10% std.
Absolute Minimum Resistance
...........................................1 ohm max.
Contact Resistance Variation
............................3.0% or 3 ohms max.
(whichever is greater)
Adjustability
Voltage ......................................±0.01%
Resistance ................................±0.05%
Resolution.....................................Infinite
Insulation Resistance ................500 vdc.
1,000 megohms min.
2.54
(.100)
4.83 ± .13
(.190 ± .005)
.38
(.015)
10
100
200
500
101
201
501
102
202
502
103
203
253
503
104
204
254
504
105
20
2.54
50
1.12
(.044)
(.100)
9.53
(.375)
100
200
500
1.09
(.043)
1,000
2,000
5,000
10,000
20,000
25,000
50,000
100,000
200,000
250,000
500,000
1,000,000
.51 ± .03
(.020 ± .001)
DIA.
ADJ. SLOT
2.29
DIA.
(.090)
.56
(.022)
WIDE
X
X
.76
DEEP
(.030)
RJ 24/RJ R24FP
8.26 ± .64
(.325 ± .025)
2.54
(.100)
2.54
(.100)
Dielectric Strength
Sea Level ...............................1,000 vac
80,000 Feet...............................400 vac
Effective Travel..................25 turns nom.
3
Popular values listed in boldface. Special
resistances available.
2
2.54
(.100)
1
5.23
(.206)
Environmental Characteristics
How To Order
Power Rating (300 volts max.)
85°C .........................................0.5 watt
150°C ..........................................0 watt
Temperature Range
....................................-55°C to +150°C
Temperature Coefficient
..........................................±100ppm/°C
Seal Test ........................85°C Fluorinert*
Humidity........MIL-STD-202 Method 106
RJ24 ........................................96 hours
(1% ∆TR, 10 Megohms IR)
RJR24......................................96 hours
(1% ∆TR, 100 Megohms IR)
Vibration............20G (1% ∆TR; 1% ∆VR)
Shock..............100G (1% ∆TR; 1% ∆VR)
Load Life
RJ 24/RJ R24FW
See page 81 for Model RJ24, and page
82 for Model RJR24.
2.41
(.095)
2.54
(.100)
3
2
1
2.54
(.100)
RJ 24/RJ R24FX
2.54
(.100)
3
2
1
2.54
2.41
(.095)
(.100)
RJ24 .......1,000 hours 0.5 watt @ 85°C
(2% ∆TR; 10% ∆VR)
RJR24...10,000 hours 0.5 watt @ 85°C
(3% ∆TR)
WIPER
2
CW
CCW
3
1
Rotational Life ........200 cycles (2% ∆TR)
CLOCKWISE
Physical Characteristics
Torque .............................5.0 oz-in. max.
Mechanical Stops..................Wiper idles
Terminals ......MIL-STD 202, Method 208
Weight ......................................0.025 oz.
Marking ................Mil-spec part number,
date code
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
METRIC
DIMENSIONS ARE:
(INCHES)
Wiper ..........Positioned at 50% nominal
Flammability ..........................U.L. 94V-0
Standard Packaging .....50 pcs. per tube
Adjustment Tool ..............................H-90
*”FLUORINERT” IS A REGISTERED TRADEMARK OF 3M CO.
Specifications are subject to change without notice.
28
Features
■ High Performance Series 3/8” Square /
Multiturn / Cermet / Industrial / Sealed
■ Thin body profile
■ Sealed to withstand board washing
processes
■ Patent #4427966, #4732802, #4824694
■ Low current applications <50uA
3296-LC2 - 3/8” Square Trimming Potentiometer
Electrical Characteristics
Common Dimensions
Standard Resistance Table
10.03
Standard Resistance Range
Resistance
(Ohms)
Resistance
Code
5.97 ± .89
(.235 ± .035)
(.395)
1.52
(.060)
MIN.
.......................500 ohms to 100K ohms
(see standard resistance table)
Resistance Tolerance .............±10% std.
Absolute Minimum Resistance
...............................2 ohms or 1% max.
(whichever is greater)
500
501
102
202
502
103
203
253
503
104
2.54
(.100)
4.83
(.190)
.38
(.015)
1,000
2,000
5,000
1.12
(.044)
9.53
(.375)
10,000
20,000
25,000
50,000
100,000
.51
(.020)
Contact Resistance Variation
ADJ. SLOT
2.29
(.090)
1.09
(.043)
DIA.
.............................................0.5% max.
Contact Resistance (D.C. mode)
.............................................0.3% max.
D.C. Offset .............................0.5% max.
Adjustability
DIA.
.56
(.022)
SHADED AREAS TYPICALLY NOT STOCKED BY
DISTRIBUTORS AND NOT RECOMMENDED FOR NEW
DESIGNS.
WIDE
X
X
.76
DEEP
(.030)
Voltage ........................................±0.1%
Resistance ..................................±0.2%
Insulation Resistance ................500 vdc.
1,000 megohms min.
3296P
2.54
(.100)
2.54
(.100)
3
How To Order
2
3296 W - LC2 - 103
Dielectric Strength
2.54
(.100)
Model
1
5.23
(.206)
Sea Level ..................................900 vac
70,000 feet................................350 vac
Adjustment Angle, Electrical
Style
Product Indicator
............................................25 ±5 turns
Resistance Code
3296W
2.41
(.095)
2.54
(.100)
Consult factory for other available options.
Environmental Characteristics
3
2
1
Power Rating (400 volts max.)
85°C .........................................0.5 watt
125°C ..........................................0 watt
Temperature Range
2.54
(.100)
....................................-55°C to +125°C
Temperature Coefficient
3296X
2.54
(.100)
..........................................±100ppm/°C
Humidity.............80-90% , RH, 10 cycles
2% max. TRS, IR 10 megohms
0.2% max. contact resistance shift
Seal Test .......................85° C Flourinert*
Vibration .......................20G - 0.5% VRS
0.2% contact resistance shift
3
2
1
2.54
(.100)
2.41
(.095)
Shock .........................100G - 0.5% VRS
0.2% contact resistance shift
Load Life @ 85°C Rated Power
............................1,000 hours 3% TRS,
0.2% contact resistance
WIPER
2
CW
CCW
3
1
CLOCKWISE
shift - 0.5% CRV
Rotational Life.........200 cycles, 4% TRS
0.2% contact resistance shift
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
Thermal Shock...........................5 cycles
2% TRS, 0.5% VRS
METRIC
(INCHES)
DIMENSIONS ARE:
0.2% contact resistance shift
Physical Characteristics
Torque .............................3.0 oz-in. max.
Mechanical Stops..................Wiper idles
Terminals ..................Solderable PC pins
Weight ........................................0.03 oz.
Marking ...........................Manufacturer’s
trademark, resistance code
and date code
Wiper ..............................Set at CW end
Flammability ..........................U.L. 94V-0
Standard Packaging ....50 pcs. per tube
Adjustment Tool ..............................H-90
*”FLUORINERT” IS A REGISTERED TRADEMARK OF 3M CO.
29
Specifications are subject to change without notice.
■ Vertical and horizontal adjust types
available
Features
■ 3/8” Square/ Multiturn / Cermet
Industrial / Sealed
■ Patent #4427966 drive mechanism
■ Designed for operational amplifier offset
voltage adjustment applications
■ Reduces power supply drift errors
■ Unique center tapped trimming
potentiometer
3296-OT1 - 3/8” Square Trimming Potentiometer
Common Dimensions
Electrical Characteristics
CLOCKWISE
10.03
Standard Resistance Range
(Pin 1 to Pin 3)
........................100 ohms to 1 megohm
(see standard resistance table)
Resistance Tolerance .............±20% std.
Absolute Minimum Resistance
..........................................2 ohms max.
Voltage Output Variation.............+0.25%
Adjustability (VR) ......................±0.025%
Insulation Resistance ................500 vdc.
.............................1,000 megohms min.
Dielectric Strength
6.40 ± 1.32
(.252 ± .052)
(.395)
1.52
(.060)
MIN.
WIPER
2
4.83
(.190)
.38
(.015)
2.54
(.100)
TYP.
CW
CCW
3
1
1.12
(.044)
TYP.
9.53
(.375)
CENTER TAP
4
.51
(.020)
1.09
(.043)
DIA.
ADJ. SLOT
TYP.
2.29
(.090)
.56
(.022)
.76
DIA.
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
WIDE
DEEP
X
X
METRIC
(INCHES)
DIMENSIONS ARE:
(.030)
Sea Level ..................................900 vac
70,000 Feet...............................350 vac
Effective Electrical Travel, Nom.
.................................................25 turns
Center Tap Resistance .......2 ohms max.
Center Tap Electrical Center............±5%
Center Tap Dead Band ...............0.5 turn
.94
(.037)
2.41
(.095)
4
3296W-OT1
Standard Resistance Table
3
1
Resistance
(Ohms)
Resistance
Code
2
2.54
(.100)
100
200
500
101
201
501
Environmental Characteristics
1,000
2,000
5,000
10,000
20,000
102
202
502
103
203
503
104
204
504
105
3296X-OT1
Power Rating
.94
(.037)
70°C .........................................0.5 watt
125°C ..........................................0 watt
Temperature Range
....................................-55°C to +125°C
Temperature Stability (∆VR)
...........................................±0.5% max.
Seal Test ........................85°C Fluorinert*
Humidity........MIL-STD-202 Method 103
96 hours...................10 megohms min.
Vibration, 20G..........................±1% ∆TR
Shock, 100G............................±1% ∆TR
Load Life, 1,000 Hours ............±3% ∆TR
Rotational Life, 200 cycles
4
2
3
1
2.54
(.100)
50,000
100,000
200,000
500,000
1,000,000
2.41
(.095)
Popular values listed in boldface. Special
resistances available.
SHADED AREAS TYPICALLY NOT STOCKED BY
DISTRIBUTORS AND NOT RECOMMENDED FOR NEW
DESIGNS.
Suggested Offset Voltage Adjustment Circuit
...............................................±4% ∆TR
+V
3
Physical Characteristics
Torque .............................3.0 oz-in. max.
Mechanical Stops..................Wiper idles
Terminals ........................Solderable pins
Weight ........................................0.03 oz.
Marking ...........................Manufacturer’s
trademark, resistance code,
R3
100Ω
R2
2
-
1MΩ
4
OUTPUT
+
INPUT
1
–V
wiring diagram, date code,
OFFSET
ADJUSTMENT
R1 100KΩ
manufacturer’s model
RANGE = ±V (R3/R2)
BOURNS OFFSET TRIMMER
number and style
Flammability ..........................U.L. 94V-0
Standard Packaging
.............................50 pcs. per tube/tray
Adjustment Tool ..............................H-90
How To Order
3296 X - OT1 - 103
Model
Style
Also see Model 3386-OT1, page 62.
Catalog Product
Resistance Code
*”FLUORINERT” IS A REGISTERED TRADEMARK OF 3M CO.
Specifications are subject to change without notice.
30
Features
■ 3/8” Square/ Multiturn / Cermet /
Industrial / Sealed
■ Five popular terminal styles
■ Standoffs
■ Patent #4427966 drive mechanism
3299 - 3/8” Square Trimming Potentiometer
3299P
Common Dimensions
Electrical Characteristics
Standard Resistance Table
2.54
(.100)
Standard Resistance Range
Resistance
(Ohms)
Resistance
Code
1.09
(.043)
.38
..................................10 to 2 megohms
(see standard resistance table)
Resistance Tolerance .............±10% std.
(tighter tolerance available)
Absolute Minimum Resistance
...............................1% or 2 ohms max.
(whichever is greater)
Contact Resistance Variation
............................1.0% or 3 ohms max.
(whichever is greater)
2.54
(.100)
(.015)
10
100
200
500
101
201
501
102
202
502
103
203
253
503
104
204
254
504
105
205
20
1.12
(.044)
9.53
(.375)
50
100
200
1.52
(.060)
10.03
500
6.22 ± 1.14
1,000
2,000
5,000
10,000
20,000
25,000
50,000
100,000
200,000
250,000
500,000
1,000,000
2,000,000
(.245 ± .045)
6.10 +.30/-.25
(.240 +.012/-.010)
(.395)
3
2
1
.51
(.020)
ADJ. SLOT
2.29
(.090)
DIA. TYP.
DIA.
Adjustability
.56
(.022)
WIDE
X
X
Voltage ......................................±0.01%
Resistance ................................±0.05%
Resolution.....................................Infinite
Insulation Resistance ................500 vdc.
1,000 megohms min.
5.23
(.206)
.64
2.54
(.100)
BOTTOM VIEW
DEEP
(.025)
1.91
(.075)
3299W
2.54
(.100)
Popular values listed in boldface. Special
resistances available.
Dielectric Strength
Sea Level ..................................900 vac
70,000 Feet...............................350 vac
Effective Travel..................25 turns nom.
3
2
1
How To Order
2.54
(.100)
MIN.
BOTTOM VIEW
3299 W - 1 - 103
Environmental Characteristics
Model
Style
Power Rating (300 volts max.)
70°C .........................................0.5 watt
125°C ..........................................0 watt
Temperature Range ......-55°C to +125°C
Temperature Coefficient .....±100ppm/°C
Seal Test ........................85°C Fluorinert*
Humidity........MIL-STD-202 Method 103
96 hours
3299X
1.91
(.075)
2.54
(.100)
2.54
(.100)
Standard or Modified
Product Indicator
3
2
1
-1 = Standard Product
Resistance Code
BOTTOM VIEW
Consult factory for other available options.
1.91
(.075)
3299Y
2.54
(.100)
2.54
(.100)
(2% ∆TR, 10 Megohms IR)
3
2
1
Vibration............20G (1% ∆TR; 1% ∆VR)
Shock..............100G (1% ∆TR; 1% ∆VR)
Load Life
................1,000 hours 0.5 watt @ 70°C
(3% ∆TR; 3% or 3 ohms,
2.54
(.100)
BOTTOM VIEW
whichever is greater, CRV)
Rotational Life ........................200 cycles
(4% ∆TR; 3% or 3 ohms,
3299Z
1.91
(.075)
2.54
(.100)
2.54
(.100)
3
2
1
whichever is greater, CRV)
Physical Characteristics
2.54
(.100)
BOTTOM VIEW
Torque .............................3.0 oz-in. max.
Mechanical Stops..................Wiper idles
Terminals ........................Solderable pins
Weight ......................................0.035 oz.
Marking ...........................Manufacturer’s
trademark, resistance code,
WIPER
2
CW
CCW
3
1
wiring diagram, date code,
CLOCKWISE
manufacturer’s model
number and style
Wiper ..............................Set at CW end
Flammability ..........................U.L. 94V-0
Standard Packaging .....50 pcs. per tube
Adjustment Tool ..............................H-90
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
METRIC
DIMENSIONS ARE:
(INCHES)
*”FLUORINERT” IS A REGISTERED TRADEMARK OF 3M CO.
Specifications are subject to change without notice.
31
■ 2mm size meets EIA/EIAJ standard
trimmer footprint
Features
■ Single-Turn Cermet / Open Frame
■ Recommended for reflow processing
■ Rotor design compatible with automatic
adjustment equipment
■ Supplied in 8mm embossed tape,
compatible with automatic assembly
equipment
3302 - 2mm SMD Trimming Potentiometer
Electrical Characteristics
3302W, X-1
3302W, X-2
3 Terminals for
Automatic Trimming Adjustment
2mm Open Frame
for Reflow Soldering
Standard Resistance Range
..................................200 to 1 megohm
(see standard resistance table)
Resistance Tolerance .............±25% std.
Absolute Minimum Resistance
≤1K .................................20 ohms max.
>1K .........................................5% max.
Contact Resistance Variation
2.20 + 0.25/– 0.15
(.087 + .010/– .006)
ADJ. SLOT
2.20 + 0.25/– 0.15
(.087 + .010/– .006)
1.60
(.063)
2.75
1.70
(.067)
DIA.
1.70
(.067)
.46 ± 0.10
WIDE
X
(.018 ± .004)
.35 ± 0.10
(.014 ± .004)
2
2
2.75
(.108)
DEEP
X
(.108)
................................................5% max.
Resolution...................................Infinite
Adjustment Angle ....................260° ±20°
0.45 ± 0.10
(.018 ± .004)
1.45
(.057)
1.45
(.057)
2.20
DIA.
Environmental Characteristics
(.087)
1.30
(.051)
2.20
(.087)
DIA.
1.30
(.051)
Power Rating (50 VDC max.)
70°C .......................................0.15 watt
Temperature Range
......................................-40°C to +85°C
Temperature Coefficient
..........................................±250ppm/°C
Humidity .....................................95% RH
500 hours
1
3
1
3
1.75 ± 0.20
(.069 ± .008)
1.80
(.071)
1.10
1.10
(.043)
1.60
(.063)
ADJ. SLOT
LENGTH
(.043)
0.70 ± 0.10
(.028 ± .004)
0.70 ± 0.10
(.028 ± .004)
ADJ. SLOT
WIDTH
0.45
(.018)
TRS max. ........................................±5%
Load Life
.............@ 70°C rated power 500 hours
TRS ±5%
Rotational Cycling......................10 turns
TRS ±15%
0.35
(.014)
0.56
(.022)
0.35 ± 0.10
(.014 ± .004)
1.60
(.063)
Physical Characteristics
1.60
(.063)
Torque.........................10-150g-cm max.
Mechanical Angle .................Continuous
Marking......................Part marking code
Standard Packaging
1.20
(.047)
1.20
(.047)
1.40
(.055)
1.40
(.055)
0.50
(.020)
0.50
(.020)
...................................2000 pcs./7” reel
Adjustment Tool ..............................H-91
0.65
(.026)
0.65
(.026)
*”FLUORINERT” IS A REGISTERED TRADEMARK OF 3M CO.
0.75
0.90
0.75
(.030)
(.030)
(.035)
0.90
(.035)
1.90
(.075)
1.90
(.075)
How To Order
3302 X - 2 - 103 E
SUGGESTED PWB LAYOUT
SUGGESTED PWB LAYOUT
Model
1.20
(.047)
Style
1.20
(.047)
Orientation of Parts
In Tape:
Style W: Terminals Toward
Sprocket Holes
0.65
(.026)
0.65
(.026)
1.75
(.069)
1.75
(.069)
0.90
(.035)
0.90
(.035)
Standard or Modified
Product Indicator
-1 = Single Slot
-2 = Cross Slot Rotor (Std. Product)
0.75
(.030)
0.75
(.030)
1.70
(.067)
1.70
(.067)
Resistance Code
1.90
(.075)
1.90
(.075)
Embossed Tape Designator
Consult factory for other available options.
SHADED AREAS TYPICALLY NOT STOCKED BY
DISTRIBUTORS AND NOT RECOMMENDED FOR NEW
DESIGNS.
Specifications are subject to change without notice.
32
3302 - Packaging Specifications
Standard Resistance Table
2.26 ± 0.20
(.089 ± .008)
MAX.
0.60
(.024)
MAX.
Resistance
(Ohms)
Part Marking Resistance
Code
Code
200
500
22
52
201
501
1,000
2,000
5,000
10,000
20,000
13
23
53
14
24
102
202
502
103
203
3.50 ± 0.10
(.138 ± .004)
4.00 ± 0.10
(.157 ± .004)
50,000
54
15
25
55
16
503
104
204
504
105
100,000
200,000
500,000
1,000,000
4.00 ± 0.10
(.157 ± .004)
2.00 ± 0.05
(.079 ± .002)
Popular values listed in boldface.
2.44 ± 0.20
(.096 ± .008)
1.75 ± 0.10
2.90 ± 0.20
(.069 ± .004)
(.114 ± .008)
8.00 ± 0.31
(.315 ± .012)
TAPE
178.0 ± 2.00
(7.008 ± .079)
DIA.
1.20 ± 0.50
(.047 ± .020)
50.03
(1.970)
MIN. DIA.
9.00 ± 1.50
(.354 ± .059)
12.95 ± 0.51
(.510 ± .020)
DIA.
REEL
Meets EIA 481
WIPER
2
CW
CCW
3
1
CLOCKWISE
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
METRIC
(INCHES)
DIMENSIONS ARE:
33
Specifications are subject to change without notice.
■ Rear adjust version available
Features
■ Recommended for reflow processing
■ 3mm size meets EIA/EIAJ standard
trimmer footprint
■ Rotor design compatible with pick and
place and automatic adjustment
equipment
■ Supplied in 8mm embossed tape,
compatible with automatic assembly
equipment
3303 - 3mm SMD Trimming Potentiometer
Electrical Characteristics
3303W, X-1
3303W, X-3
3mm Open Frame
for Reflow Soldering
3-Terminal
3mm Open Frame
for Reflow Soldering
3-Terminal
Standard Resistance Range
..................................100 to 1 megohm
(see standard resistance table)
Resistance Tolerance .............±25% std.
Absolute Minimum Resistance
≤ 1K Ohms ......................20 ohms max.
>1K Ohms .....................2% max. of TR
Contact Resistance Variation ...5% max.
Resolution...................................Infinite
Adjustment Angle ....................260° ±20°
3.00
(.118)
Low Profile
3.75
(.148)
1.85
3.00
2.50 ± 0.15
(.098 ± .006)
3.75
(.148) 1.85
(.073)
(.118)
2
2
(.073)
.0.55 ± 0.15
(.022 ± .006)
3.00
(.188)
1.50
(.059)
1.50
(.060)
Environmental Characteristics
1.90
(.075)
Resistance to Soldering Heat
.......260°C, 10 seconds, TRS max. 5%
Power Rating (50 VDC max.)
70°C .......................................0.15 watt
Temperature Range
1.90
(.075)
3
1
3
1
ADJ SLOT
2.80
(.110)
2.50 ± .15
(.098 ± .006)
LONG
WIDE
DEEP
1.40
(.055)
MAX.
1.55
(.061)
.55 ± .15
X
(.022 ± .006)
....................................-40°C to +125°C
Temperature Coefficient
0.30 ± 0.15
(.012 ± .006)
1.35
(.053)
.30 ± .15
X
(.012 ± .006)
..........................................±250ppm/°C
Humidity .....................................95% RH
500 hours
0.90
(.035)
TRS max. ........................................±5%
Load Life
.............@ 70°C rated power 500 hours
TRS ±5%
Rotational Cycling......................20 turns
TRS ±15%
1.20
(.047)
0.95
1.10
1.10
(.043)
0.95
(.037)
(.037)
(.043)
Physical Characteristics
Torque.........................20-200g-cm max.
Mechanical Angle .................Continuous
Marking......................Part marking code
Standard Packaging
...................................2000 pcs./7” reel
Adjustment Tool ..............................H-90
0.90
(.035)
0.90
(.035)
0.98
(.039)
0.99
(.039)
0.80
(.031)
0.80
(.031)
0.90
(.035)
0.90
(.035)
0.90
(.035)
0.90
(.035)
SUGGESTED PWB LAYOUT
How To Order
1.60
(.063)
3303 X - 3 - 103 E
WIPER
2
0.90
(.035)
0.99
(.039)
CW
CCW
3
1
Model
Style
1.50
(.059)
CLOCKWISE
Orientation of Parts In Tape:
Styles W, C -Terminals Toward
Sprocket Holes
Styles X, D - Terminals Away
From Sprocket Holes (prefered)
0.80
(.031)
1.20
(.047)
3.20
(.126)
Standard or Modified
Product Indicator
-1 = Single Slot
*-2 = Cross Slot Rotor (Optional)
-3 = Cross Slot Low Profile (Standard)
TOLERANCES: ± 0.30 (.012) EXCEPT WHERE NOTED
Resistance Code
METRIC
(INCHES)
DIMENSIONS ARE:
Embossed Tape Designator
Consult factory for other available options.
*Not available in C and D styles
SHADED AREAS TYPICALLY NOT STOCKED BY
DISTRIBUTORS AND NOT RECOMMENDED FOR NEW
DESIGNS.
Specifications are subject to change without notice.
34
3303 - Dimensions and Tolerances
3303W, X-2
3mm Open Frame
Packaging Specifications
3303C,D
3-Terminal
2.00 ± 0.20
(.079 ± .008)
MAX.
for Reflow Soldering
Both Sides Adjust
(OPTIONAL)
0.60
MAX.
(.024)
3-Terminal
(OPTIONAL)
3.00
(.118)
3.75
(.148)
1.85
3.00
(.118)
2.50 ± 0.15
(.098 ± .006)
3.75
(.148)
1.85
2
3.50 ± 0.10
(.138 ± .004)
(.073)
(.073)
.0.55 ± 0.15
(.022 ± .006)
4.00 ± 0.010
(.157 ± .004)
3.00
(.118)
1.50
(.059)
ADJ SLOT
4.00 ± 0.10
(.157 ± .004)
1.59
(.060)
2.50 ± .15
(.098 ± .006)
2.00 ± 0.05
(.078 ± .002)
LONG
WIDE
DEEP
ADJ SLOT
1.90
(.075)
1.90
(.075)
3
1
.55 ± .15
(.022 ± .006)
2.50 ± .15
(.098 ± .006)
2
3
1
LONG
WIDE
DEEP
X
X
2.80
(.110)
.30 ± .15
(.012 ± .006)
.55 ± .15
(.022 ± .006)
X
X
1.40
(.055)
MAX.
3.30 ± 0.20
(.130 ± .008)
0.31
(.012)
2.01
(.079)
.30 ± .15
(.012 ± .006)
0.31 ± 0.15
(.012 ± .006)
1.75 ± 0.10
(.069 ± .004)
0.51
(.020)
3.99 ± 0.20
(.157 ± .008)
1.35
(.053)
8.00 ± 0.31
0.90
(.314 ± .012)
(.035)
TAPE
1.31
(.051)
DIA.
178.0 ± 2.00
(6.980 ± .078)
DIA.
1.20 ± 0.50
(.047 ± .020)
0.41
(.016)
1.19
0.95
(.037)
0.95
(.037)
(.047)
50.03
(1.962)
MIN. DIA
0.90
0.90
(.035)
(.035)
1.10
(.043)
0.80
1.10
(.043)
0.80
(.031)
0.99
(.039)
8.89 ± 1.52
(.350 ± .060)
12.95 ± 0.51
(.508 ± .020)
DIA.
(.031)
0.56
(.022)
0.56
(.022)
0.90
(.035)
REEL
Meets EIA 481
0.90
(.035)
0.56
(.022)
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
SUGGESTED PWB LAYOUT
SUGGESTED PWB LAYOUT
METRIC
(INCHES)
1.60
(.063)
1.40
(.055)
DIMENSIONS ARE:
2.30
(.091)
0.90
(.035)
1.10
(.043)
1.80
(.071)
0.98
(.039)
1.10
(.043)
DIA.
Standard Resistance Table
1.50
(.059)
Resistance
(Ohms)
Part Marking Resistance
Code
Code
100
200
500
1,000
2,000
5,000
10,000
20,000
12
22
52
13
23
53
14
24
54
15
25
55
16
101
201
501
102
202
502
103
203
503
104
204
504
105
0.80
(.031)
1.60
(.047)
2.30
(.091)
1.70
(.067)
3.20
(.126)
0.70
(.028)
3.20
(.126)
50,000
100,000
200,000
500,000
1,000,000
TOLERANCES: ± 0.30 (.012) EXCEPT WHERE NOTED
TOLERANCES: ± 0.38 (.015) EXCEPT WHERE NOTED
METRIC
(INCHES)
DIMENSIONS ARE:
METRIC
(INCHES)
Popular values listed in boldface.
DIMENSIONS ARE:
SHADED AREAS TYPICALLY NOT STOCKED BY
DISTRIBUTORS AND NOT RECOMMENDED FOR NEW
DESIGNS.
35
Specifications are subject to change without notice.
■ Front and top adjust styles
Features
■ 6mm Round / Single-Turn / Cermet
Industrial / Open Frame
■ Cross slot adjustment options
■ Horizontal and vertical mounting styles
■ Dust resistant/splash resistant covers
■ PC board stand-offs and retention feature
3306 - 6mm Round Trimming Potentiometer
Electrical Characteristics
ADJ.
CROSS SLOT
.80 ± .15
(.031 ± .006)
3.4 ± .15
(.134 ± .006)
2.01 ± .15
(.079 ± .006)
Top Adjust
Side Adjust
Common Dimensions
Common Dimensions
Standard Resistance Range
..................................100 to 1 megohm
(see standard resistance table)
Resistance Tolerance .............±25% std.
Absolute Minimum Resistance
.....................2% max. (≤2K = 30 ohms)
Contact Resistance Variation ...3% max.
Resolution.....................................Infinite
Adjustment Angle ...................215° nom.
WIDE
LONG
6.81 ± .51
(.268 ± .020)
3.4
(.134)
6.81 ± .51
(.268 ± .020)
X
X
DEEP
8.10 ± .51
(.319 ± .020)
8.4 ± .51
5.0 ± .51
(.197 ± .020)
(.331 ± .020)
ADJ.
CROSS SLOT
.80 ± .15
MOUNTING
SURFACE
3.0
(.118)
1
2
3
WIDE
LONG
(.031 ± .006)
3.4 ± .15
(.134 ± .006)
2.01 ± .15
2.5
(.098)
5.0
(.197)
Environmental Characteristics
X
X
Power Rating (100 volts max.)
DEEP
70°C .........................................0.2 watt
Temperature Range ......-25°C to +100°C
Temperature Coefficient .....±250ppm/°C
Load Life ..1,000 hours 0.2 watt @ 70°C
(5% ∆TR)
(.079 ± .006)
3306W
3
1
2
2.5
(.098)
Physical Characteristics
2
5.0
Mechanical Angle ....................260° ±20°
Torque (Operating)...........4.5 oz-in. max.
Stop Strength ..................6.5 oz -in. min.
Terminals ........................Solderable pins
Marking ...........................Manufacturer’s
trademark, resistance code
(.197)
2.50 ± .51
(.098 ± .020)
3306P
4.5 ± .51
(.177 ± .020)
3306K
7.62 ± .76
Standard Packaging ....300 pcs. per bag
Adjustment Tool ..............................H-90
Aqueous cleaning not recommended
MOUNTING
SURFACE
(.300 ± .030)
3.51
(.138)
2
2
2.50 ± .51
(.098 ± .020)
3.05 ± .76
(.120 ± .030)
2.50 ± .51
(.098 ± .020)
How To Order
3306 W - 1 - 103
4.5 ± .51
(.177 ± .020)
3306F
Model
Style
SUGGESTED PWB LAYOUT - STYLES K, P, W
Standard Product
Resistance Code
7.62 ± .76
(.300 ± .030)
MOUNTING
SURFACE
2.50 ± .18
1.0 ± .10
DIA. 3 PLCS.
(.098 ± .007)
(.039 ± .004)
3.51
Standard Resistance Table
(.138)
2
2.50 ± .18
(.098 ± .007)
5.0 ± .51
(.197 ± .020)
Resistance
(Ohms)
Resistance
Code
5.0 ± .18
(.197 ± .007)
100
101
201
501
102
202
502
103
203
253
503
104
200
SUGGESTED PWB LAYOUT - STYLE F
500
1,000
2,000
5,000
10,000
20,000
25,000
50,000
100,000
WIPER
2
1.0 ± .10
DIA. 3 PLCS.
(.039 ± .004)
5.0 ± .18
(.197 ± .007)
CW
CCW
3
1
CLOCKWISE
2.50 ± .18
(.098 ± .007)
200,000
250,000
500,000
1,000,000
204
254
504
105
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
5.0 ± .18
(.197 ± .007)
METRIC
(INCHES)
DIMENSIONS ARE:
Popular values listed in boldface. Special
resistances available.
SHADED AREA NOT TYPICALLY STOCKED BY
DISTRIBUTORS AND NOT RECOMMENDED FOR NEW
DESIGNS.
Specifications are subject to change without notice.
36
■ Dust resistant/splash resistant covers
■ PC board stand-offs and retention feature
Features
■ 9mm Round / Single-Turn / Cermet
Industrial / Open Frame
■ Both sides adjust
■ Cross slot and hexagon adjustment
designs
■ Horizontal and vertical mounting styles
3309 - 9mm Round Trimming Potentiometer
Top/Bottom Adjust
Common Dimensions
3309P
3309P-3 Both Sides Adjust Hex
Electrical Characteristics
Standard Resistance Range
................................100 to 2 megohms
(see standard resistance table)
9.0 ± .51
(.354 ± .020)
9.0 ± .51
(.354 ± .020)
Resistance Tolerance .............±25% std.
Absolute Minimum Resistance
.....................2% max. (≤2K = 30 ohms)
Contact Resistance Variation ...3% max.
Resolution.....................................Infinite
Adjustment Angle ...................235° nom.
11.5 ± .51
(.453 ± .020)
5.0
(.197)
11.5 ± .51
(.453 ± .020)
5.0
(.197)
ADJ.
CROSS SLOT
.80 ± .15
(.031 ± .006)
3.4 ± .15
(.134 ± .006)
2.0 ± .15
(.079 ± .006)
WIDE
LONG
X
X
Environmental Characteristics
DEEP
Power Rating (250 volts max.)
70°C .........................................0.5 watt
Temperature Range ......-25°C to +100°C
Temperature Coefficient .....±250ppm/°C
Load Life ................1,000 hours 0.5 watt
@ 70°C (5% ∆TR)
3
3
1
2
1
2.5
(.098)
2.5
(.098)
2
5.0
(.197)
5.0
(.197)
Physical Characteristics
Mechanical Angle .....................260°±20°
Torque (Operating)..............5 oz-in. max.
Stop Strength ................11.0 oz -in. min.
Terminals ........................Solderable pins
Marking ...........................Manufacturer’s
trademark, resistance code
3309P-1 Top Adjust
5.80 ± .51
(.228 ± .020)
MOUNTING
SURFACE
Standard Packaging ....200 pcs. per bag
Adjustment Tool ..............................H-90
Aqueous cleaning not recommended
6.35 ± .51
(.250 ± .020)
MOUNTING
SURFACE
2
4.0
(.157)
10.34 ± .51
(.407 ± .020)
2
4.0
(.157)
10.34 ± .51
(.407 ± .020)
2.0
(.079)
HEX THRU HOLE
ACROSS FLATS
How To Order
3309 W - 2 - 103
3309P-2 Both Sides Adjust/Cross Slot
Model
Pin Style
5.8 ± .51
(.228 ± .020)
MOUNTING
SURFACE
Rotor Style
-2 = Cross Slot/Single Slot Rear Adjust
-3 = 2mm Hex Thru Hole
Resistance Code
2
4.0
(.157)
10.34 ± .51
(.407 ± .020)
SUGGESTED PWB LAYOUT - 3309P
1.2 ± .18
(.047 ± .007)
DIA. 3 PLCS.
2.29 ± .51
(.090 ± .020)
10.0 ± .18
(.394 ± .007)
4.0
(.157)
2.5 ± .18
DIA. -2, -3 ONLY
(.098 ± .007)
1.2
(.047)
5.0 ± .18
(.197 ± .007)
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
METRIC
(INCHES)
DIMENSIONS ARE:
WIPER
2
CW
CCW
3
1
CLOCKWISE
37
Specifications are subject to change without notice.
3309 - 9mm Round Trimming Potentiometer
Side Adjust Common
Dimensions
3309W
3309W-3 Both Sides Adjust Hex
Standard Resistance Table
ADJ.
CROSS SLOT
.80 ± .15
(.031 ± .006)
3.4 ± .15
(.134 ± .006)
2.0 ± .15
Resistance
(Ohms)
Resistance
Code
WIDE
LONG
9.0 ± .51
(.354 ± .020)
100
200
500
101
201
501
X
X
9.0 ± .51
(.354 ± .020)
DEEP
1,000
102
202
502
103
203
253
503
104
(.079 ± .006)
12.5 ± .51
(.492 ± .020)
11.0 ± .51
2,000
(.433 ± .020)
5,000
8.0 ± .51
12.5 ± .51
(.492 ± .020)
10,000
20,000
25,000
50,000
100,000
11.0 ± .51
(.433 ± .020)
(.315 ± .020)
MOUNTING
SURFACE
8.0 ± .51
(.315 ± .020)
3
4.0
1
(.157)
MOUNTING
SURFACE
200,000
250,000
500,000
1,000,000
2,000,000
204
254
504
105
205
3
2
4.0
(.157)
2.5
1
5.0
(.098)
2
(.197)
2.5
(.098)
5.0
(.197)
Popular values listed in boldface. Special
resistances available.
SHADED AREA NOT TYPICALLY STOCKED BY
DISTRIBUTORS AND NOT RECOMMENDED FOR NEW
DESIGNS.
3309W-1 Single Side (Front) Adjust
4.22
(.166)
2
2.5
(.098)
4.72
2
(.186)
2.5
(.098)
2.01
(.079)
ACROSS FLATS
HEX THRU HOLE
3309W-2 Both Sides Adjust - Cross Slot
4.22
(.166)
2
SUGGESTED PWB LAYOUT - 3309W
2.5
(.098)
2.29
(.090)
1.20 ± .18
(.047 ± .007)
DIA. 3 PLCS.
2.5 ± .18
(.098 ± .007)
.71
(.028)
2.5 ± .18
(.098 ± .007)
5.0 ± .18
(.197 ± .007)
Specifications are subject to change without notice.
38
■ Patent #5043695 assembly for seal
integrity
Features
■ Surface Mount 3mm Square
Single-Turn Cermet / Sealed
■ Plastic housing for RF applications
■ Compatible with surface mount manufac-
turing processes
■ Rotor stop for “in-circuit” adjustment
■ 100 cycle rotational and seal life
3313 - 3mm Trimming Potentiometer
3313S
3313J
Electrical Characteristics
3.20 ± .20
(.126 ± .008)
Standard Resistance Range
2
Position Rotor As Shown
Within ±11° Of Centerline
Of Terminal 2
........................10 ohms to 2 megohms
(see standard resistance table)
Resistance Tolerance .............±20% std.
End Resistance........1% or 3 ohms max.
(whichever is greater)
ADJ. SLOT
.52
3.5 ± .20
(.138 ± .008)
3.61 ± .20
(.142 ± .008)
WIDE
(.020)
1.93
(.076)
.51
3.02
(.119)
LONG
DEEP
X
X
ADJ. SLOT
.52 ± 0.03
(.020 ± .001)
3
1
WIDE
LONG
Contact Resistance Variation
(.020)
........................................3% or 3 ohms
Adjustability
1.93 ± 0.03
(.076 ± .001)
.51 ± 0.06
(.020 ± .002)
X
1.3 ± .10
(.051 ± .004)
X
Voltage Divider............................±0.1%
Rheostat .....................................±0.2%
Resolution.....................................Infinite
Insulation Resistance ................500 vdc.
100 megohms min.
DEEP
0.90 ± .15
(.035 ± .006)
2 PLCS
3
0.90 ± .15
(.035 ± .006)
2
1
0.65 ± 0.10
(.026 ± .004)
2 PLCS
3.71
(.146)
Dielectric Strength
2.30 ± .20
(.091 ± .008)
2.77
(.109)
Sea Level ..................................500 vac
70,000 Feet...............................350 vac
Adjustment Angle ...................220° nom.
2.2 ± .20
(.087 ± .008)
5.35
(.211)
Environmental Characteristics
1.30
(.051)
Max. Soldering Exposure
...................................260°C/5 seconds
Power Rating (200 volts max.)
0.15 ± 0.03
(.006 ± .001)
0.15
(.006)
70°C .....................................0.125 watt
125°C ..........................................0 watt
Operating Temp. Range...-55°C to+125°C
Temperature Coefficient
......................≤100 ohms ±150ppm/°C;
>100 ohms ±100ppm/°C
Seal Test ........................85°C Fluorinert*
Humidity .......MIL-STD 202, Method 106
(no vibration) TRS ±3% ;
0.71 ± 0.20
(.028 ± .008)
RECOMMENDED LAND PATTERN
TYP
1.60
(.063)
1.60
(.063)
1.15
(.045)
TYP
4.50
(.177)
0.60
(.024)
0.65
(.026)
1.60
2.39
(.094)
IR 10 megohms
(.063)
1.10
( 043)
1.10
( 043)
Vibration .........20G TRS ±1% ; VRS ±1%
Shock ...........100G TRS ±1% ; VRS ±1%
Load Life ...............................1000 hours
@ 70°C Rated Power;TRS ± 3%
Rotational Life .......100 cycles TRS ±3%
Thermal Shock...........................5 cycles
TRS ±2% ; VRS ±1%
RECOMMENDED LAND PATTERN
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
1.57
(.062)
1.57
(.062)
3 PLCS
METRIC
(INCHES)
DIMENSIONS ARE:
2.62
(.103)
Physical Characteristics
Mechanical Angle ...................250° nom.
Torque ................................50g-cm max.
Stop Strength....................200g-cm min.
Pushover Strength (“S” only)
1.12
(.044)
2 PLCS
How To Order
2.39
(.094)
3313 J - 1 - 502 E
...........1.6 Kilograms (3.5 lbs) minimum
Flammability...........................U.L. 94V-0
Weight...........................Approx. 0.01 oz.
Marking ........................Resistance code
and date code
Wiper .......................Set at 50% nominal
Standard Packaging .....1000 pcs./7”reel
Adjustment Tool ..............................H-91
Model
Style
Standard or Modified
Product Indicator
WIPER
2
-1 = Standard Product
CW
CCW
3
1
Resistance Code
CLOCKWISE
Embossed Tape
1000 pcs. / 7” Reel (Standard)
*”FLUORINERT” IS A REGISTERED TRADEMARK OF 3M CO.
Specifications are subject to change without notice.
39
3313 - 3mm Trimming Potentiometer
3313 Packaging Specifications
3313S Packaging Specifications
Standard Resistance Table
5.80 ± 0.10
(.228 ± .004)
4.0 ± 0.10
(.157 ± .004)
Resistance
(Ohms)
10
20
50
Part Marking
Code
Resistance
Code
2.50 ± .10
(.098 ± .004)
A1
21
51
100
200
500
.40
(.016)
MAX.
.30 ± 0.10
100
A2
22
52
A3
23
53
A4
24
54
A5
101
201
501
102
202
502
103
203
503
104
(.012 ± .004)
5.52 ± 0.18
200
500
(.217 ± .007)
5° ± 2°
4.20 ± .020
(.165 ± .008)
1,000
2,000
5,000
10,000
20,000
50,000
100,000
4.0 ± 0.10
(.157 ± .004)
7.50 ± 0.10
(.295 ± .004)
2.0 ± 0.10
(.079 ± .004)
200,000
25
55
A6
26
204
504
105
205
2.00 ± .010
(.079 ± .004)
500,000
1,000,000
2,000,000
1.5 ± 0.10
(.059 ± .004)
3.8 ± 0.2
(.150 ± .008)
12.00 ± 0.10
(.472 ± .004)
Popular values listed in boldface. Special
resistances available.
4.00 ± .10
(.157 ± .004)
1.5 ± 0.20
(.059 ± .008)
SHADED AREA NOT TYPICALLY STOCKED BY
DISTRIBUTORS AND NOT RECOMMENDED FOR NEW
DESIGNS.
1.75 ± 0.10
(.069 ± .004)
1.5 ± .10
(.059 ± .004)
DIA.
DIA.
12.0 ± 0.20
(.472 ± .008)
1.5 ± 0.20
(.059 ± .008)
TAPE
2.67
(.105)
4.10 ± 0.20
(.161 ± .008)
178.0 ± 2.03
(7.008 ± .080)
DIA.
16.00 ± .30
(.630 ± .012)
TAPE
2.67
(.105)
177.8 ± 2.03
(7.000 ± .080)
DIA.
EQUAL
SPACED
1.78
(.070)
3 PLCS
MIN.
60.0 ± 2.0
(2.362 ± .079)
EQUAL
SPACED
1.78
(.070)
3 PLCS
MIN.
21.01 ± 0.79
(.827 ± .031)
13.0 ± 0.51
(.512 ± .020)
DIA.
12.40 + 2.00/ -.000
(.488 + .079/ -.000)
60.0 ± 2.0
(2.330 ± .080)
REEL
Meets EIA 481
21.01 ± 0.79
(.827 ± .031)
13.00 ± 0.51
(.512 ± .020)
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
DIA.
16.40 + 2.00/ -.000
(.646 + .079/ -.000)
METRIC
DIMENSIONS ARE:
REEL
(INCHES)
Specifications are subject to change without notice.
40
■ J-hook, gull-wing and pinned
configurations
Features
■ Surface Mount / Single Turn / Cermet
Industrial / Sealed
■ Side adjust available
■ Cross-slot rotor (Z Style)
■ Compatible with surface mount
manufacturing processes
■ Meets EIA/EIAJ/IPC/VRCI SMD standard
trimmer designs
■ Compatible with popular vacuum
pick-and-place equipment
3314 - 4mm Square Trimming Potentiometer
3314R-1
3314J -1
Electrical Characteristics
5.00
(.197)
Standard Resistance Range
4.50
(.177)
2
2.55
(.100)
.......................10 ohms to 2 megohms
(see standard resistance table)
Resistance Tolerance .............±20% std.
(tighter tolerance available)
End Resistance........1% or 2 ohms max.
(whichever is greater)
2
0.20
(.008)
TYP.
4.50
(.177)
4.50
(.177)
6.20
(.244)
Contact Resistance Variation
ADJ. SLOT
.......................................1% or 3 ohms
Resolution.....................................Infinite
Insulation Resistance ................500 vdc.
100 megohms min.
2.45
(.096)
.51
LONG
WIDE
DEEP
3
1
ADJUSTMENT SLOT
3
1
2.45
LONG
(.096)
X
X
(.020)
.51
0.51
X
X
WIDE
DEEP
(.020)
Dielectric Strength
(.020)
0.51
(.020)
Sea Level.................500 vac (1 minute)
Adjustment Angle ...................210° nom.
2.35
(.093)
0.8 ± 0.1
(.031 ± .004)
2 PLCS.
2.3
(.091)
2.55
1.3
(.051)
Environmental Characteristics
Soldering Heat
0.51 ± 0.13
(.020 ± .005)
2 PLCS.
TYP.
.............260°C, 10 seconds, TRS ±1%
Power Rating (300 volts max.)
70°C.......................................0.25 watt
125°C..........................................0 watt
Temperature Range ......-55°C to +125°C
Temperature Coefficient .....±100ppm/°C
Humidity..............................90-98% RH,
10 cycles, 240 hours
1.0
(.040)
3 PLCS.
5.00
(.197)
4.00
(.157)
0.51 ± 0.13
(.020 ± .005)
TYP.
1.30 ± 0.1
(.051 ± .004)
2.0
0.13
(.005)
R
MAX. TYP.
(.079)
5.00
(.197)
2.0
(.079)
3 PLCS.
0.20
(.008)
TYP.
TRS ±2% ; IR 10 megohms
Vibration .........20G TRS ±1% ; VRS ±1%
Shock ...........100G TRS ±1% ; VRS ±1%
Load Life
......(@ 70°C Rated Power 1000 Hours)
TRS ±3%
2.35
(.092)
3314G-1
0.80 ± 0.10
(.031 ± .004)
2 PLCS.
2.55
(.100)
4.50
(.177)
2
0.20
(.008)
TYP.
Rotational Life ........................100 cycles
TRS ±3%
6.20
Thermal Shock..........................5 cycles
TRS ±2% ; VRS ±1%
(.244)
4.50
(.177)
0.6
(.024)
TYP.
Physical Characteristics
1.30 ± 0.10
(.051 ± .004)
Mechanical Angle ...................240° nom.
Torque ...........................180g-cm typical
Stop Strength ................300g-cm typical
Pushover Strength (Z Style)
.............2 kilograms (4.4 lbs.) minimum
Weight ................Approximately 0.01 oz.
Marking .................Manufacturer’s code,
resistance code and date code
Wiper ...........Positioned at 50% nominal
Flammability...........................U.L. 94V-0
Standard Packaging
J & G ...........................500 pcs./7” reel
Z ..................................200 pcs./7” reel
H.......................................50 pcs./tube
Adjustment Tool ..............................H-90
5° MAX.
TYP.
5.00
(.197)
ADJ. SLOT
3
1
2.45
(.096)
.51
(.020)
.51
(.020)
LONG
2.3
(.090)
2.35
(.093)
WIDE
DEEP
X
2.3
(.091)
1.3
(.051)
2 PLCS.
1.3
(.051)
2 PLCS.
0.8 ± 0.1
X
(.031 ± .004)
2 PLCS.
5.5
5.5
(.217)
(.216)
3.2
(.126)
THRU.
6.20
(.244)
DIA.
1.3
(.051)
2 PLCS.
1.3
(.051)
3 PLCS.
2.0
(.079)
2.0
(.079)
1.30 ± 0.1
(.051 ± .004)
5.00
(.197)
METRIC
(INCHES)
DIMENSIONS ARE:
41
Specifications are subject to change without notice.
Additional Features
■ Model 3314 has been approved for use
by DESC on drawings 88039 (3314J) and
90027 (3314G)
3314 - 4mm Square Trimming Potentiometer
3314Z
3314H-1
Packaging Specifications
4.50
(.177)
2
ROTOR POSITIONED AS SHOWN
WITHIN ± 22° OF CENTERLINE
OF TERMINAL 2
5.00 ± 0.10
(.197 ± .004)
OUTSIDE WHEN
PINS ARE PARALLEL
(J , G Styles)
TAPE
.36
(.014)
MAX.
6.30
(.248)
4.50
(.177)
0.20
(.008)
TYP.
2.74 ± .10
(.108 ± .004)
ADJUSTMENT SLOT
5.52 ± 0.5
(.217 ± .020)
2.41
LONG
(.095)
0.51
(0.02)
X
X
WIDE
DEEP
1
2
3
5.26 ± .10
(.207 ± .004)
6.45 ± .10
1.5 + .10/ –.00
DIA.
(J)
(.060 + .004/ - .000)
0.51
(0.02)
ADJ. SLOT
2.45
3
1
2.55
(.100)
4.00
(.157)
(G)
LONG
TYP.
(.254 ± .004)
4.00 ± .10
(.096)
.51
2.55
(.100)
(.157 ± .004)
WIDE
DEEP
X
X
(.020)
.55
2.54
(0.10)
5.26 ± .10
(.207 ± .004)
1.27
(0.50)
(.022)
2.55
2.00 ± .05
(.079 ± .020)
1.19
(0.047)
(.100)
0.6 ± 0.1
(.024 ± .004)
3 PLCS.
3.18
(.125)
8.00 ± .20
(.315 ± .008)
1.29
(0.051)
5.00
(.197)
0.80
1.75 ± .10
(.031)
DIA. TYP.
(.069 ± .004)
0.61
(.024)
12.00 ± .30
5.00
(.197)
(.472 ± .012)
5.01
(.197)
REEL
WIPER
3.32
(0.131)
2
1.78 ± .25
EQUAL SPACED 3 PLCS.
(.070) ± .010)
CW
CCW
3
1
21.01 ± .79
(.827 ± .031)
DIA.
CLOCKWISE
13.0 ± .51
2.67 ± .25
(.105 ± .010)
(.512 ± .020)
5.76
(0.227)
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
DIA.
0.96
(.038)
3.08
METRIC
(0.121)
DIMENSIONS ARE:
(INCHES)
59.18 ± 2.03
(2.330 ± .080)
5.56
(0.219)
SHADED AREAS TYPICALLY NOT STOCKED BY
DISTRIBUTORS AND NOT RECOMMENDED FOR NEW
DESIGNS.
RECOMMENDED PCB LAYOUT
2.54
(0.10)
How To Order
1.3
(0.051)
2.01
(.079)
177.8 ± 2.03
DIA.
(7.000 ± .080)
3314 J - 1 - 502 E
12.4 + 2.01/ -.000
(.488 + .079/ - .000)
0.26
(.010)
Model
Style
Meets EIA specification 481.
3.48
(.137)
Standard or Modified
Product Indicator
0.21
(.008)
-1 = Single Slot
2.01
(.079)
-2 = Cross Slot Rotor
(Style Z is standard,
Styles J, G & H are available)
2.01
(.079)
Resistance Code
Embossed Tape Designator
(Applicable to Styles J, G and S only)
Styles J & G: 500 pcs. /7” reel (standard)
Style Z: 200 pcs. /7” reel (standard)
Consult factory for other available options.
42
Specifications are subject to change without notice.
3314 - 4mm Square Trimming Potentiometer
Packaging Specifications
Packaging Specifications
Standard Resistance Table
Resistance
(Ohms)
Resistance
Code
(R Style)
(Z Style)
10
20
50
100
200
500
TAPE
TAPE
.30
(0.12)
0.40
MAX.
(.016)
MAX.
100
101
201
501
102
202
502
103
203
503
104
204
254
504
105
205
200
500
3.29 ± .10
6° ± 2°
1,000
2,000
5,000
10,000
20,000
50,000
100,000
(.130 ± .004)
5.52 ± 0.05
(.217 ± .002)
16.00 ± 0.3
(.630 ± 0.012)
1.5 + .10/ –.00
(.059 + .004-.00)
DIA.
7.5
(.295)
6.45 ± 0.10
(.254 ± .004)
1.75
(.069)
0.5
(.020)
200,000
250,000
500,000
1,000,000
2,000,000
R
TYP.
4.00 ± .10
(.157 ± .004)
1.5 + 0.1/-0.0
(0.59 +.004/-0.0)
DIA.
5.26 ± .10
(.207 ± .004)
12.0
(.472)
2.00 ± .05
(.079 ± .002)
Popular values listed in boldface. Special
resistances available.
1.50 + 0.30
(.059 ± .012)
DIA.
5.5
(.217)
9.1
(.358)
SHADED AREAS TYPICALLY NOT STOCKED BY
DISTRIBUTORS AND NOT RECOMMENDED FOR NEW
DESIGNS.
4.0
(.157)
1.75 ± .10
(.068 ± .004)
12.00 ± .30
2.0
(.079)
(4.72 ± .012
1.5
(.059)
6.0
(.236)
DIA.
MIN.
REEL
1.78 ± .254
(.070 ± .010)
EQUAL SPACED
3 PLCS.
5º MAX.
21.01 ± .789
(.000 ± .000)
DIA.
2.67 ± .254
(.105 ± .010)
13.0 ± .508
(.512 ± .020)
B
DIA.
REEL
1.78 ± .25
(.070) ± .010)
59.18 ± 2.03
(2.330 ± .080)
21.01 ± .79
(.827 ± .031)
DIA.
13.0 ± .51
(.512 ± .020)
DIA.
2.67 ± .25
(.105 ± .010)
177.8 ± 2.03
(7.00 ± .080)
DIA. REF.
59.18 ± 2.03
(2.330 ± .080)
12.4 + 2.01/ -.000
(.488 + .079/-.000)
Meets EIA specification 481.
177.8 ± 2.03
(7.000 ± .080)
DIA.
16.4 + 2.0/ -.00
(.646 + .079/ - .00)
TOLERANCES: ± 0.30 (.012) EXCEPT WHERE NOTED
METRIC
(INCHES)
DIMENSIONS ARE:
43
Specifications are subject to change without notice.
■ PC board stand-offs
Features
■ Single-Turn / Carbon / Commercial
■ Adjustable front/back, top/bottom
Open Frame
■ Cross slot rotor design suitable for
automatic adjustment equipment
■ Board retention feature
■ Enclosed cover
3318 - 6mm Square Trimming Potentiometer
3318F
3318K
Electrical Characteristics
Standard Resistance Range
.................................100 to 1 megohm
(see standard resistance table)
Resistance Tolerance ....................±30%
Contact Resistance Variation
FRONT VIEW
FRONT VIEW
6.40
(.252)
6.40
(.252)
0.80 ± 0.10
(.031 ± .004)
2
0.80 ± 0.10
(.031 ± .004)
3.20
(.126)
.............................................10% max.
Resolution.....................................Infinite
Adjustment Angle ....................210° ±20°
3.50
(.138)
Environmental Characteristics
1
3
Power Rating
1
2
3
100-500K ohms ..............................50V
>500K ohms ...................................25V
50°C.........................................0.1 watt
Temperature Range ......-25°C to +100°C
Temperature Coefficient ...±1000ppm/°C
Load Life ...1,000 hours 0.1 watt @ 70°C
(20% ∆TR)
0.30
(.012)
0.80 ± 0.10
(.031 ± .004)
2.50
(.098)
0.75
(.030)
1.20
(.047)
2.50
(.098)
3.20
DIA.
0.75
(.030)
(.126)
4.65
(.183)
8.00
1.20
(.047)
(.315)
Physical Characteristics
6.35
(.250)
1.70
(.067)
Torque (Operating)..............20-250 g-cm
Stop Strength
3.50 ± 0.50
(.138 ± .020)
3.20
(.126)
DIA.
Knob Side .............................750 g-cm
Reverse Side .........................350g-cm
Terminals ........................Solderable pins
Marking ......Resistance code, date code
Standard Packaging ....200 pcs. per bag
Adjustment Tool ..............................H-90
Aqueous cleaning not recommended
MOUNTING
SURFACE
4.50
(.177)
1.70
(.067)
3.80
(.150)
0.40
(.016)
MOUNTING
SURFACE
REAR VIEW
0.80 ± 0.10
(.031 ± .004)
1.85
(.073)
DIA.
0.75
(.030)
0.75
(.030)
2.00 ± 0.10
(.079 ± .004)
How To Order
REAR VIEW
3318 K - 1 - 103
0.60
(.024)
Model
2.00 ± 0.10
(.079 ± .004)
0.60
(.024)
DIA.
Style
4.65
(.183)
Standard Product
Resistance Code
ADJUSTING
DIRECTION
SUGGESTED PWB LAYOUT
1.00 + 0.10
(.039 ± .004)
Standard Resistance Table
DIA.
Resistance
(Ohms)
Resistance
Code
5.00
(.197)
100
101
201
501
102
202
502
103
203
503
104
200
SUGGESTED PWB LAYOUT
500
5.00
(.197)
1,000
2,000
5,000
10,000
20,000
50,000
100,000
2.50
(.098)
1.00 + 0.10
(.039 + .004)
DIA.
3 PLACES
5.00
(.197)
WIPER
2
200,000
500,000
1,000,000
204
504
105
CW
CCW
3
1
CLOCKWISE
Popular values listed in boldface.
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
SHADED AREAS TYPICALLY NOT STOCKED BY
DISTRIBUTORS AND NOT RECOMMENDED FOR NEW
DESIGNS.
METRIC
(INCHES)
DIMENSIONS ARE:
44
Specifications are subject to change without notice.
■ Dust resistant/splash resistant covers
Features
■ 9mm Round / Single Turn / Carbon
■ PC board stand-offs and retention feature
Commercial / Open Frame
■ Both sides adjust
■ Cross slot and hexagon adjustment
designs
■ Horizontal and vertical mounting styles
3319 - 9mm Round Trimming Potentiometer
3319P Common Dimensions
3319P-3 Both Sides Adjust/Hex
Electrical Characteristics
Standard Resistance Range
.................................100 to 1 megohm
(see standard resistance table)
9.0 ± .51
(.354 ± .020)
9.0 ± .51
(.354 ± .020)
Resistance Tolerance .............±25% std.
End Resistance
....................2% max. (≤2K = 30 ohms)
Contact Resistance Variation
...............................................3% max.
Resolution.....................................Infinite
Adjustment Angle ...................235° nom.
11.5 ± .51
(.453 ± .020)
5.0
(.197)
11.5 ± .51
(.453 ± .020)
5.0
(.197)
ADJ.
CROSS SLOT
.80 ± .15
(.031 ± .006)
2.0 ± .15
(.079 ± .006)
3.4 ± .15
WIDE
DEEP
X
X
LONG
Environmental Characteristics
(.134 ± .006)
Power Rating (200 volts max.)
70°C.........................................0.2 watt
Temperature Range
...................................-25°C to +100°C
Temperature Coefficient
3
3
2.5
1
1
2
2
2.5
(.098)
(.098)
5.0
(.197)
5.0
(.197)
.......................................±1000ppm/°C
Load Life
...............1,000 hours 0.2 watt @ 70°C
(<100K = +3/-7% ∆TR)
5.8 ± .51
(.228 ± .020)
3319P-1 Top Adjust
(≥100K = +3/-10% ∆TR)
MOUNTING
SURFACE
6.35 ± .51
(.250 ± .020)
Physical Characteristics
Torque (Operating)
.........................................5 oz-in. max.
Stop Strength
MOUNTING
SURFACE
2
4.0
(.157)
10.34 ± .51
....................................11.0 oz -in. min.
Terminals ........................Solderable pins
Marking ...........................Manufacturer’s
trademark, resistance code
(.407 ± .020)
2
4.0
(.157)
10.34 ± .51
(.407 ± .020)
Standard Packaging
..................................200 pcs. per bag
Adjustment Tool ..............................H-90
HEX THRU HOLE
2.0
(.079 )
ACROSS FLATS
3319P-2 Both Sides Adjust/Cross Slot
5.8 ± .51
(.228 ± .020)
Aqueous cleaning not recommended
MOUNTING
SURFACE
SUGGESTED PWB LAYOUT - 3319P
2
4.0
(.157)
How To Order
10.34 ± .51
3319 W - 2 - 103
(.407 ± .020)
Model
1.2 ± .18
(.047 ± .007)
Pin Style
10.0 ± .18
(.394 ± .007)
DIA. 3 PLCS.
Rotor Style
2.29 ± .51
(.090 ± .020)
-2 = Cross Slot/Single Slot Rear Adjust
-3 = 2mm Hex Thru Hole
4.0
(.157)
DIA. -2, -3 ONLY
Resistance Code
2.5 ± .18
(.098 ± .007)
5.0 ± .18
1.2
(.197 ± .007)
(.047)
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
METRIC
(INCHES)
DIMENSIONS ARE:
45
Specifications are subject to change without notice.
3319 - 9mm Round Trimming Potentiometer
Side Adjust
3319W-3 Both Sides Adjust/Hex
ADJ.
CROSS SLOT
.80 ± .15
(.031 ± .006)
2.0 ± .15
(.079 ± .006)
3.4 ± .15
Standard Resistance Table
3319W-1
Resistance
(Ohms)
Resistance
Code
WIDE
DEEP
9.0 ± .51
(.354 ± .020)
X
X
100
101
201
501
102
202
502
103
203
503
104
9.0 ± .51
(.354 ± .020)
200
LONG
12.5 ± .51
(.492 ± .021)
8.0 ± .51
(.134 ± .006)
500
11.0 ± .51
(.433 ± .020)
1,000
2,000
5,000
10,000
20,000
50,000
100,000
12.5 ± .51
(.492 ± .020)
11.0 ± .51
(.433 ± .020)
(.315 ± .020)
MOUNTING
SURFACE
8.0 ± .51
(.315 ± .020)
3
4.0
(.157)
1
MOUNTING
SURFACE
3
2
200,000
500,000
1,000,000
204
504
105
4.0
(.157)
2.5
1
(.098)
5.0
2
(.197)
2.5
(.098)
Popular values listed in boldface. Special
resistances available.
5.0
(.197)
SHADED AREAS TYPICALLY NOT STOCKED BY
DISTRIBUTORS AND NOT RECOMMENDED FOR NEW
DESIGNS.
2.0
(.079)
HEX THRU HOLE
ACROSS FLATS
4.72
(.186)
2
2.50
(.098)
3319W-2 Both Sides Adjust /Cross Slot
2.29
(.090)
4.22
(.166)
2
2.50
(.098)
.71
(.028)
SUGGESTED PWB LAYOUT - 3319W
1.20 ± .18
(.047 ± .007)
DIA. 3 PLCS.
2.5 ± .18
(.098 ± .007)
2.5 ± .18
(.098 ± .007)
4.22
(.166)
5.0 ± .18
(.197 ± .007)
2
2.50
(.098)
WIPER
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
2
METRIC
(INCHES)
CW
CCW
DIMENSIONS ARE:
3
1
CLOCKWISE
46
Specifications are subject to change without notice.
■ Plastic housing for RF applications
■ Low profile
Features
■ Surface Mount / Single-Turn / Cermet
Industrial / Sealed
■ Patent #5043695 assembly for seal
integrity
■ Compatible with surface mount
manufacturing processes
■ Standoffs facilitate boardwashing and
mechanical stability
3324 - 4mm Square Trimming Potentiometer
Electrical Characteristics
How To Order
3324G
4.26
(.168)
Standard Resistance Range
3324 J - 1 - 502 E
2
.......................10 ohms to 2 megohms
(see standard resistance table)
Resistance Tolerance .............±20% std.
(tighter tolerance available)
Model
Style
4.36
(.172)
Standard or Modified
Product Indicator
End Resistance
-1 = Standard Product
..............................1% or 3 ohms max.
(whichever is greater)
Contact Resistance Variation
..............................3% or 3 ohms max.
(whichever is greater)
Resistance Code
3
1
Embossed Tape
2.16
(.085)
1000 pcs./7” Reel (Standard)
0.20
(.008)
1.02
(.040)
Resolution...................Essentially Infinite
Insulation Resistance ................500 vdc.
100 megohms min.
Dielectric Strength
Sea Level.................500 vac (1 minute)
Adjustment Angle ...................220° nom.
0.75
(.030)
3324J Common Dimensions
4.26
(.168)
2
0.76
(.030)
0.86
(.034)
2.3
(.091)
ADJ. SLOT
4.36
(.172)
1.93 ± .03
(.076 ± .001)
.52 ± .03
(.020 ± .001)
.50 ± .06
LONG
WIDE
DEEP
2 PLCS
5° MAX. TYP.
X
X
2.0
(.079)
Environmental Characteristics
3
1
Soldering Heat
(.020 ± .002)
1.5
(.059)
PLCS.
.............260°C, 10 seconds, TRS ±1%
Power Rating (200 volts max.)
70°C.......................................0.25 watt
125°C..........................................0 watt
Operating Temperature Range
...................................-55°C to +125°C
Temperature Coefficient
5.5
(.217)
2.16
(.085)
1.3
(.051)
2 PLCS.
0.20
(.008)
1.02
(.040)
2.3
(.091)
1.04
(.050)
<100 Ohms ......................±150ppm/°C
>100 Ohms ......................±100ppm/°C
Humidity..............................80-98% RH,
10 cycles, 240 hours
1.12
(.056)
0.76
(.030)
2 PLCS
2.3
(.091)
WIPER
2
RECOMMENDED LAND PATTERN
CW
CCW
3
1
TRS ±3% ; IR 10 megohms
2.2
2.0
(.079)
CLOCKWISE
Vibration .........20G TRS ±1% ; VRS ±1%
Shock ...........100G TRS ±1% ; VRS ±1%
Load Life
......(@ 70°C Rated Power 1000 Hours)
TRS ±3%
3 PLCS.
(.087)
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
1.3
3.3
(.130)
2 PLCS.
(.051)
METRIC
(INCHES)
DIMENSIONS ARE:
Rotational Cycling..................100 cycles
TRS ±3%
2.3
(.091)
Thermal Shock..........................5 cycles
TRS ±2% ; VRS ±1%
Physical Characteristics
Mechanical Angle ...................250° nom.
Torque .............................50g-cm typical
Stop Strength ................200g-cm typical
Weight ................Approximately 0.01 oz.
Marking .................Manufacturer’s code,
resistance code and date code
Wiper ...........Positioned at 50% nominal
Flammability...........................U.L. 94V-0
Adjustment Tool ..............................H-91
47
Specifications are subject to change without notice.
3324 - 4mm Square Trimming Potentiometer
Packaging Specifications
Standard Resistance Table
TAPE
Resistance
(Ohms)
10
20
50
Part Marking
Code
Resistance
Code
.36
(.014)
MAX.
A1
21
51
100
200
500
2.74 ± .10
(.108 ± .004)
100
A2
22
52
A3
23
53
A4
24
54
A5
101
201
501
102
202
502
103
203
503
104
5.52 ± 0.5
(.217 ± .020)
200
500
1,000
2,000
5,000
10,000
20,000
50,000
100,000
5.26 ± .10
(.207 ± .004)
6.45 ± .10
1.5 + .10/ –.00
DIA.
(J)
(.059 + .004/ – .000)
(G)
4.00 ± .10
(.157 ± .004)
(.254 ± .004)
200,000
25
55
A6
26
204
504
105
205
5.26 ± .10
(.207 ± .004)
500,000
2.00 ± .05
(.079 ± .020)
1,000,000
2,000,000
Popular values listed in boldface. Special
resistances available.
8.00 ± .20
(.315 ± .008)
1.75 ± .10
(.069 ± .004)
12.00 ± .30
(.472 ± .012)
REEL
1.78 ± .25
(.070) ± .010)
EQUAL SPACED 3 PLCS.
21.01 ± .79
DIA.
(.827 ± .031)
13.0 ± .51
(.512 ± .020)
DIA.
2.67 ± .25
(.105 ± .010)
59.18 ± 2.03
(2.330 ± .080)
177.8 ± 2.03
(7.000 ± .080)
DIA.
12.4 + 2.01/ -.000
(.488 + .079/ - .000)
Meets EIA specification 481.
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
METRIC
(INCHES)
DIMENSIONS ARE:
48
Specifications are subject to change without notice.
Features
■ Single-turn / conductive plastic
■ Adjustable front/back, top/bottom
■ Commercial / dust proof / fully enclosed
■ Cross slot rotor design suitable for
automatic adjustment equipment
■ Hexagon adjustment design
■ PC board stand-off and retention feature
3328 - 9mm Square Trimming Potentiometer
Product Dimensions
Electrical Characteristics
Resistance Range...........100Ω - 5.0 MΩ
Resistance Tolerance
3328P
3328W
9.60
(.378)
100Ω - 1.0 MΩ, ± 20%
>1.0MΩ- 5.0 MΩ, ± 30%
10.41
(.410)
End Resistance .........................3% Max
Contact Resistance Variation ....3Ω or 3%
whichever is greater
Resolution ..................................(Infinite)
Adjustment Angle ...................220°±20°
Max. Operating Voltage ................200 V
4.80
(.189)
10.41
(.410)
11.01
(.433)
5.59
(.220)
14.35
(.585)
9.60
(.378)
0.76
0.76
3.05
(.120)
CROSS SLOT
LONG X
2.08
WIDE X
DEEP
(.030)
(.030)
Environmental Characteristics
HEX THRU UNIT
ACROSS FLATS
(.082)
Power Rating ..............40°C, 0.20 Watts
Temperature Range......-25°C to + 70° C
Temperature Coefficient of Resistance
............±400 ppm , 100Ω < TR ≤ 1 MΩ
Load Life ......1000 hours 0.20w at 40°C,
TRS ±10%
1.52
(.060)
4.01
(.158)
1.02
(.040)
2.54
(.100)
Vibration .....20 g, TRS ± 2% , VRS ± 2%
Shock .......100 g, TRS ± 2% , VRS ± 2%
Rotational Cycling ................500 cycles,
TRS ± 3%
1
2
3
3.48
(.137)
2.54
(.100)
2
5.08
(.200)
Physical Characteristics
Torque (Operating)..............50-200 g.cm
Stop Strength ..........................550 g.cm
Terminals .......................Solderable Pins
Marking.........Manufacturer’s trademark,
resistance code and date code
Standard Packaging ...200 Pcs. per Bag
Mechanical Angle ..................250° ± 20°
Flammability..............................UL94V-0
Wiper Position ..................50% nominal
0.38
(.015)
3
1
5.08
(.200)
10.01
(.394)
2.54
(.100)
3.61
(.142)
0.15
(.006)
RECOMMENDED PWB MOUNTING PATTERN
RECOMMENDED PWB MOUNTING PATTERN
1.30
(.051)
DIA.
3.18
(.125)
DIA. OPTIONAL
FOR THRU
BOARD
1.30
DIA.
METRIC
(INCHES)
(.053)
DIMENSIONS ARE:
10.16
(.400)
5.08
(.200)
ADJUSTMENT
2
2.54
(.100)
WIPER
5.08
(.200)
5.08
(.200)
CCW
CW
3
1
CLOCKWISE
DIA.
5.0
(.197)
ADJUSTMENT ACCESSORIES
9.9
(.390)
1.98
(.078)
11.51
(.453)
DIA
ACROSS
FLATS
0.5
(.020)
5.54
14.1
1.19 (.218)
(.047)
(.555)
0.48
(.019)
3.7
(.146)
3.84
(.151)
1.98
(.019)
ACROSS FLATS
H118-1 Wheel
H118-2 Shaft
49
Specifications are subject to change without notice.
3328 - 9mm Square Trimming Potentiometer
How to Order
Standard Resistance Table
3328 P - 1 - 502
Resistance Resistance Resistance Resistance
(Ohms)
100
500
1000
2000
5000
10000
20000
25000
Code
101
501
102
202
502
103
203
253
(Ohms)
50000
Code
503
104
204
504
105
205
505
Model
Style
100000
200000
500000
1000000
2000000
5000000
Standard or Modified
Product Indicator
-1 = Standard Product
Resistance Code
Adjustment accessories as noted.
Example: H118-1 = Wheel
50
Specifications are subject to change without notice.
Features
■ 1/4” Round / Single-Turn / Cermet
Industrial / Sealed
■ 5 standard terminal styles
■ Tape and reel packaging available
(see page 71 for details)
3329 - 1/4” Round Trimming Potentiometer
3329H
3329P-DK9-RC
Electrical Characteristics
Standard Resistance Range
ADJ. SLOT
2.79 ± .038
(.110 ± ..001)
...................................10 to 1 megohm
(see standard resistance table)
Resistance Tolerance .............±10% std.
(closer tolerance available)
Absolute Minimum Resistance
.......................................1% or 2 ohms
(whichever is greater)
Contact Resistance Variation
...........................3.0% or 3 ohms max.
(whichever is greater)
2.54
(.100)
2.54
(.100)
2
DIA.
3
1
.38
(.015)
45° REF.
.64
(.025)
WIDE
X
X
.51
DEEP
(.020)
6.35 ± .51
(.250 ± .020)
90° ± 5°
4.57
(.180)
4.75
(.187)
MIN.
5.79
(.228)
.46 ± .05
(.018 ± .002)
DIA. TYP.
6.35 ± .51
(.250 ± .020)
ADJ. SLOT
3.56
LONG
.46 ± .05
(.018 ± .002)
(.140)
.64
.43 ± .13
(.017 ± .005)
Adjustability
6.78 ± 2.24
(.267 ± .088)
WIDE
DEEP
X
X
DIA. 3 PINS
(.025)
1.02
Voltage .....................................±0.05%
Resistance ...............................±0.15%
Resolution.....................................Infinite
Insulation Resistance ................500 vdc.
1,000 megohms min.
(.040)
2
3
1
2.54
(.100)
3
3329P
2.54
(.100)
1
2.54
(.100)
2.54
(.100)
2.54
(.100)
Dielectric Strength
2
2.54
(.100)
Sea Level .................................600 vac
80,000 Feet ..............................250 vac
Adjustment Angle ...................240° nom.
6.78 ± 2.24
(.267 ± .088)
6.35 ± .51
Environmental Characteristics
(.250 ± .020)
5.82 ± .25
Power Rating @ 85°C (300 volts max.)
.................................................0.5 watt
Power Rating @ 150°C..................0 watt
Temperature Range ......-55°C to +150°C
Temperature Coefficient .....±100ppm/°C
Seal Test ........................85°C Fluorinert*
Humidity........MIL-STD-202 Method 106
96 hours
(.229 ± .010)
How To Order
5.08
(.200)
3329S
6.10
(.240)
6.60
(.260)
3329 H - 1 - 103
Model
Style
.38
(.015)
8.38 ± .51
(.330 ± .020)
Standard or Modified
Product Indicator
2.54
(.100)
.89
(.035)
7.75 ± 2.97
-1 = Standard Product
-DK9 = Plastic Spacer
(.305 ± .117)
2.54
(3% ∆TR, 10 Megohms IR)
2.54
(.100)
(.100)
Vibration............30G (1% ∆TR; 1% ∆VR)
Shock..............100G (1% ∆TR; 1% ∆VR)
Load Life
...............1,000 hours 0.5 watt @ 85°C
(3% ∆TR; 3% CRV)
Resistance Code
2
1
3
Consult factory for other available options.
5.08
(.200)
3329W
6.10
(.240)
6.60
(.260)
8.38 ± .51
(.330 ± .020)
.38
(.015)
Standard Resistance Table
Rotational Life ........................200 cycles
(4% ∆TR; 4% CRV)
Resistance
(Ohms)
10
20
50
Resistance
Code
2.54
(.100)
2.54
.89
(.035)
Physical Characteristics
7.75 ± 2.97
100
200
500
(.305 ± .117)
2.54
Mechanical Angle ...................260° nom.
Torque .............................5.0 oz-in. max.
Stop Strength ..................5.0 oz -in. min.
Terminals ........................Solderable pins
Weight ........................................0.02 oz.
Marking .........Manufacturer’s trademark,
resistance code, date code,
(.100)
(.100)
3
1
2
100
101
201
501
102
202
502
103
203
253
503
104
200
500
5.08
(.200)
3329X
6.10
(.240)
6.60
(.260)
1,000
2,000
5,000
10,000
20,000
25,000
50,000
100,000
8.38 ± .51
(.330 ± .020)
.38
(.015)
manufacturer’s model number
2.54
(.100)
.89
(.035)
and style
7.75 ± 2.97
2.54
Wiper ...........Positioned at 50% nominal
Standard Packaging .....50 pcs. per tube
Adjustment Tool ..............................H-90
(.305 ± .117)
2.54
(.100)
(.100)
200,000
250,000
500,000
1,000,000
204
254
504
105
1
3
2
Popular values listed in boldface. Special
resistances available.
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
METRIC
(INCHES)
SHADED AREAS TYPICALLY NOT STOCKED BY
DISTRIBUTORS AND NOT RECOMMENDED FOR NEW
DESIGNS.
DIMENSIONS ARE:
*”FLUORINERT” IS A REGISTERED TRADEMARK OF 3M CO.
Specifications are subject to change without notice.
51
Features
■ Four-Turn / Cermet / Industrial / Sealed
■ Unique planetary drive offers precise
wiper setting of a multiturn in a
single-turn package size
■ Top and side adjust styles
3339 - 5/16” Round Trimming Potentiometer
Electrical Characteristics
3339H
Common Dimensions
(Top Adjust)
WIPER
2
ADJ. CROSS SLOT
Standard Resistance Range
2.54
...................................10 to 1 megohm
(see standard resistance table)
Resistance Tolerance .............±10% std.
(tighter tolerance available)
Absolute Minimum Resistance
..............................1% or 2 ohms max.
(whichever is greater)
LONG X
(.100)
CW
CCW
3
1
.64
(.025)
.76
(.030)
WIDE X
DEEP X
(2 PLACES)
CLOCKWISE
4.78
MIN.
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
.38
(.015)
(.188)
90° ± 1°
REF.
6.35
(.250)
METRIC
(INCHES)
DIMENSIONS ARE:
2.54 ± .025
(.10 ± .01)
1
3
Contact Resistance Variation
..............................3% or 3 ohms max.
(whichever is greater)
Adjustability
Voltage .....................................±0.05%
Resistance .................................±0.1%
Resolution.....................................Infinite
Insulation Resistance ................500 vdc.
1,000 megohms min.
.51
(.020)
2
How To Order
7.62
(.300)
.43 ± .05
(.017 ± .002)
DIA.
DIA.
2.54 ± .025
(.10 ± .01)
3339 H - 1 - 103
Model
Style
3339P
2.54
(.100)
2.54
(.100)
Standard or Modified
Product Indicator
6.35
(.250)
Dielectric Strength
2.54
(.100)
-1 = Standard Product
Sea Level .................................600 vac
80,000 Feet ..............................250 vac
Effective Travel....................4 turns nom.
1
Resistance Code
Consult factory for other available options.
.51
(.020)
3
2
Environmental Characteristics
7.62
(.300)
DIA.
Power Rating (300 volts max.)
85°C.........................................0.5 watt
150°C..........................................0 watt
Temperature Range
...................................-55°C to +150°C
Temperature Coefficient
.........................................±100ppm/°C
Seal Test ........................85°C Fluorinert*
Humidity........MIL-STD-202 Method 103
96 hours
Standard Resistance Table
3339S
Common Dimensions (Side Adjust)
Resistance
(Ohms)
Resistance
Code
8.00 ± .38
(.315 ± .015)
7.62
(.300)
DIA.
10
20
50
100
200
500
5.97
(.235)
9.53 ± .38
(375 ± .015)
100
101
201
501
102
202
502
103
203
253
503
104
200
500
5.54 ± .38
(.218 ± .015)
1,000
2,000
5,000
10,000
20,000
25,000
50,000
100,000
.64
(.025)
.38
.43 ± .05
(.017 ± .002)
DIA.
MIN.
(3% ∆TR, 10 Megohms IR)
2
(.015)
Vibration............30G (1% ∆TR; 1% ∆VR)
Shock..............100G (1% ∆TR; 1% ∆VR)
Load Life
...............1,000 hours 0.5 watt @ 85°C
(3% ∆TR; 3% or 3 ohms,
whichever is greater, CRV)
Rotational Life ........................200 cycles
(3% ∆TR; 3% or 3 ohms,
1
4.57
(.180)
8.13 ± .38
(.320 ± .015)
3
2.54
(.100)
2.54
(.100)
200,000
250,000
500,000
1,000,000
204
254
504
105
.51
(.020)
3339W
8.00 ± .38
(.315 ± .015)
Popular values listed in boldface. Special
resistances available.
5.97
(.235)
whichever is greater, CRV)
9.53 ± .38
(375 ± .015)
Physical Characteristics
SHADED AREAS TYPICALLY NOT STOCKED BY
DISTRIBUTORS AND NOT RECOMMENDED FOR NEW
DESIGNS.
Torque ................................3 oz-in. max.
Mechanical Stops..................Wiper idles
Terminals ........................Solderable pins
Weight ........................................0.02 oz.
Marking ...........................Manufacturer’s
trademark, resistance code,
5.54 ± .38
(.218 ± .015)
.64
(.025)
.38
(.015)
MIN.
2
8.13 ± .38
(.320 ± .015)
4.57
(.180)
1
wiring diagram, date
code, manufacturer’s
model number and style
2.54
(.100)
.51
2.54
(.100)
3
(.020)
Wiper ..........Positioned at 50% nominal
Flammability............................U.L.94V-0
Standard Packaging .....50 pcs. per tube
Adjustment Tool ..............................H-90
*”FLUORINERT” IS A REGISTERED TRADEMARK OF 3M CO.
52
Specifications are subject to change without notice.
■ Thumb and screwdriver adjustment
Features
■ Single-Turn / Cermet / Industrial / Open
Frame
■ Stable cermet element offers infinite
resolution
■ Very low profile
■ Seven standard pin styles
3352 - 3/8” Round Trimming Potentiometer
3352
3352H
Side Adjust
Electrical Characteristics
ADJUSTMENT SLOT
2.54
(.100)
4.06
(.160)
X .86
(.034)
X .84
TYP.
TYP.
Standard Resistance Range
LONG
..................................10 to 2 megohms
(see standard resistance table)
Resistance Tolerance .............±20% std.
(tighter tolerance available)
Absolute Minimum Resistance
.........................................2 ohms max.
Contact Resistance Variation
.............................1.0% or 1 ohm max.
(whichever is greater)
Adjustability
Voltage .....................................±0.05%
Resistance ...............................±0.25%
Resolution.....................................Infinite
Dielectric Strength
Sea Level .................................500 vac
80,000 Feet ..............................350 vac
Adjustment Angle ...................205° nom.
WIDE
2.54
(.100)
DEEP TYP.
3.81 ± .51
(.150 ± 020)
TYP.
(.033)
7.62
(.300)
MAX.
4.75
(.187)
MIN. TYP.
8.89
(.350)
2.54
(.100)
TYP.
TYP.
3352K
3352V
4.75
TYP.
5.08
(.200)
.64
(.187)
TYP.
TYP.
(.025)
1.27
(.050)
TYP.
2.54
(.100)
7.62
(.300)
3
MAX.
MAX.
2
1
9.53 ± .38
(.375 ± .015)
4.37
(.172)
TYP.
.51 ± .05
(.020 ± .002)
DIA. PINS TYP.
7.62
TYP.
3.96
(.156)
(.300)
9.14
(.360)
3352E
Top Adjust
3352W
2.54
(.100)
Environmental Characteristics
TYP.
10.16
(.400)
Power Rating (250 volts max.)
85°C.......................................0.50 watt
125°C..........................................0 watt
Temperature Range
...................................-55°C to +125°C
Temperature Coefficient
±100ppm/ºC ............................2K & up
±150ppm/ºC..........................Below 2K
Humidity........MIL-STD-202 Method 103
96 hours
5.08
(.200)
MAX.
5.33
(.210)
2.54
(.100)
TYP.
MAX.
MAX.
3352P
3352T
2.54
(.100)
Standard Resistance Table
Resistance
(Ohms)
10
20
50
Resistance
Code
5.33
(.210)
100
200
500
2.54
(.100)
TYP.
(2% ∆TR, 10 Megohms IR)
Vibration............30G (2% ∆TR; 2% ∆VR)
Shock..............100G (2% ∆TR; 2% ∆VR)
Load Life
...............1,000 hours 0.5 watt @ 85°C
(3% ∆TR)
100
101
201
501
102
202
502
103
203
253
503
104
200
500
2.21 ± .38
(.087 ± .015)
1,000
2,000
5,000
10,000
20,000
25,000
50,000
100,000
Rotational Life ........................200 cycles
(10% ∆TR)
2.54
(.100)
TYP.
Physical Characteristics
200,000
250,000
500,000
1,000,000
2,000,000
204
254
504
105
205
WIPER
2
Mechanical Angle ...................250° nom.
Torque .............................3.0 oz-in. max.
Stop Strength .....................8 oz -in. min.
Terminals ........................Solderable pins
Weight ........................................0.01 oz.
Marking ...........................Manufacturer’s
trademark, resistance value
CW
CCW
3
1
CLOCKWISE
Popular values listed in boldface. Special
resistances available.
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
SHADED AREAS TYPICALLY NOT STOCKED BY
DISTRIBUTORS AND NOT RECOMMENDED FOR NEW
DESIGNS.
METRIC
DIMENSIONS ARE:
and model number.
Date code on packaging.
(INCHES)
Wiper ..............................Set at CW end
Standard Packaging
..................................100 pcs. per bag
Adjustment Tool ..............................H-90
How To Order
3352 W - 1 - 103
Model
Style
Standard or Modified
Product Indicator
-1 = Standard Product
Resistance Code
Consult factory for other available options.
53
Specifications are subject to change without notice.
■ Available on tape and reel packaging
(see page 71)
Features
■ Single-Turn / Cermet / Industrial / Sealed
■ Miniature package
■ Rotor designed for automatic machine
adjust interface
■ Withstands harsh environments and
3
immersion cleaning processes
3 3 6 2
1
3362 - 1/4” Square Trimming Potentiometer
Common Dimensions
Top Adjust
Common Dimensions
Side Adjust
Electrical Characteristics
Standard Resistance Range
6.60
(.260)
6.60
(.260)
ADJ. CROSS SLOT
..................................10 to 2 megohms
(see standard resistance table)
Resistance Tolerance .............±10% std.
(tighter tolerance available)
Absolute Minimum Resistance
.......................................1% or 2 ohms
(whichever is greater)
Contact Resistance Variation
..............................1% or 3 ohms max.
(whichever is greater)
ADJ. CROSS
SLOT
2.77
(.109)
LONG X
2.77
(.109)
LONG X
.64
(.025)
6.99
(.275)
6.99
(.275)
WIDE X
.25
(010)
.254
(010)
TYP.
TYP.
.64
(.025)
WIDE X
1
3
1
3
3362
3362
.89
DEEP X
(.035)
.89
(.035)
3.84
(.151)
3.84
(.151)
DEEP X
PIN MARKING
REVERSED FOR
STYLE W
DIA.
.46 ± .03
4.70
(.185)
3 PLCS.
(.018 ± .001)
5.46 ± .38
(.215 ± .015)
.46 ± .03
(.018 ± .001)
DIA.
3 PLCS.
2.54
2.54
(.100)
Adjustability
(.100)
.330
(.013)
Voltage .....................................±0.05%
Resistance ...............................±0.15%
Resolution.....................................Infinite
Insulation Resistance ................500 vdc.
1,000 megohms min.
5.46 ± .38
(.215 ± .015)
2.54
(.100)
2.54
(.100)
3362H
3362M
2.29
Dielectric Strength
4.06 ± .38
(.160 ± .015)
Sea Level .................................900 vac
80,000 Feet ..............................350 vac
Adjustment Angle ...................240° nom.
(.090)
90° ± 5°
3
4.70
1
(.185)
Environmental Characteristics
1.80
Power Rating (300 volts max.)
70°C.......................................0.50 watt
125°C..........................................0 watt
Temperature Range
...................................-55°C to +125°C
Temperature Coefficient
.........................................±100ppm/°C
Seal Test ........................85°C Fluorinert*
Humidity........MIL-STD-202 Method 103
96 hours
1
3
2
(.071)
2
2.54
(.100)
TYP.
3362S
2.54
(.100)
3362P
3362R
3362U
2.54
(.100)
4.70
(.185)
3.53
(.139)
1.02
(.040)
1
3
2
(2% ∆TR; 10 Megohms IR)
1
2
3
Vibration............30G (1% ∆TR; 1% ∆VR)
Shock..............100G (1% ∆TR; 1% ∆VR)
Load Life
...............1,000 hours 0.5 watt @ 70°C
(3% ∆TR; 3% or 3 ohms,
whichever is greater, CRV)
Rotational Life ........................200 cycles
(4% ∆TR; 3% or 3 ohms,
3362W
2.54
(.100)
4.70
(.185)
1.02
(.040)
2.54
(.100)
1.02
(.040)
1
3
2
1
2
3
whichever is greater, CRV)
3362X
Physical Characteristics
2.54
(.100)
Mechanical Angle ...................270° nom.
Torque .............................3.0 oz-in. max.
Stop Strength ..................7.0 oz -in. min.
Terminals ........................Solderable pins
Weight ........................................0.02 oz.
Marking .......................Resistance code,
terminal numbers, manufacturer’s
model number, style
4.70
(.185)
3.53
(.139)
1.02
(.040)
3
1
2
1
2
3
and date code
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
Wiper ..........Positioned at 50% nominal
Flammability ..........................U.L. 94V-0
Standard Packaging .....50 pcs. per tube
Adjustment Tool ..............................H-90
WIPER
2
METRIC
(INCHES)
DIMENSIONS ARE:
CW
CCW
3
1
CLOCKWISE
*”FLUORINERT” IS A REGISTERED TRADEMARK OF 3M CO.
54
Specifications are subject to change without notice.
3362 - 1/4” Square Trimming Potentiometer
How to Order
3362 P - 1 - 502
Model
Style
Standard or Modified
Product Indicator
-1 = Standard Product
Resistance Code
Consult factory for other available options.
Standard Resistance Table
Resistance
(Ohms)
Resistance
Code
10
20
50
100
200
500
100
101
201
501
102
202
502
103
203
253
503
104
200
500
1,000
2,000
5,000
10,000
20,000
25,000
50,000
100,000
200,000
250,000
500,000
1,000,000
2,000,000
204
254
504
105
205
Popular values listed in boldface. Special
resistances available.
SHADED AREAS TYPICALLY NOT STOCKED BY
DISTRIBUTORS AND NOT RECOMMENDED FOR NEW
DESIGNS.
55
Specifications are subject to change without notice.
■ Recommended for reflow solder
processing only
Features
■ SMD Single-Turn / Cermet / Industrial
Open Frame
■ Cross slot rotor designs suitable
for automatic adjustment equipment
■ Supplied in 12mm embossed tape,
compatible with automatic pick-and-place
assembly equipment
3364 - 4mm Square Trimming Potentiometer
Common Dimensions
3364W, X
3-Terminal
3364A, B
3-Terminal
Electrical Characteristics
Standard Resistance Range
.......................100 ohms to 1 megohm
(see standard resistance table)
3.80
Resistance Tolerance .............±25% std.
End Resistance
<1K ................................20 ohms max.
>1K..................................................2%
Contact Resistance Variation
(.150)
2.50 ± 0.15
(.098 ± .006)
3.80
(.150)
0.55 ± 0.15
(.022 ± .006)
2.50 ± 0.15
(.098 ± .006)
2
0.55 ± 0.15
(.022 ± .006)
2.30
(.091)
ADJ.
CROSS SLOT
0.55 ± .15
(.022 ± .006)
0.35
(.014)
2.50
(Voltage Divider) .....................5% max.
Resolution.....................................Infinite
Adjustment Angle .....................260°±20°
4.20
(.165)
2.00
(.079)
4.50
(.177)
WIDE X
2.00
(.079)
X
X
DEEP X
LONG
Environmental Characteristics
2.20
(.087)
2.20
1
1
2
3
3
(.098)
(.087)
Power Rating (50 volts max.)
70°C.........................................0.2 watt
Temperature Range
...................................-40°C to +125°C
Temperature Coefficient
1.50
(.059)
1.50
(.059)
MAX.
MAX.
.........................................±250ppm/°C
Humidity..................500 hours (5% ∆TR)
Load Life .................................500 hours
0.2 watt @ 70°C (5% ∆TR)
Rotational Life .......20 cycles (15% ∆TR)
1.40
(.055)
Physical Characteristics
Torque..............................20 to 200g-cm
Mechanical Angle .................Continuous
Marking ........................Resistance code,
manufacturer's full part number
0.50
(.020)
2
0.80
(.031)
1.50
(.059)
2.00
(.079)
1.35
(.053)
1.40
(.055)
and date code on packaging
Terminals...........................Solder coated
Standard Packaging
..................................1000 pcs./7" reel
Adjustment Tool ..............................H-90
Reflow solder processing recommended
.12
(.047)
1.20
(.047)
1
3
0.80
(.031)
0.80
(.031)
1.90
(.075)
0.99
(.039)
3
0.95
(.037)
1.60
1
1.00
(.039)
2
0.95
(.037)
(.063)
0.80
(.031)
How To Order
SUGGESTED PWB LAYOUT
3364 X - 1 - 103 E
SUGGESTED PWB LAYOUT
2.40
(.094)
5.08
Model
Style
(.200)
1.10
(.043)
2.40
(.094)
1.10
(.043)
Orientation of parts in tape:
Styles W,A
Terminals toward sprocket holes
5.10
(.201)
1.50
(.059)
1.20
(.047)
Styles X,B
Terminals away from sprocket
holes
1.50
(.059)
1.30
(.051)
1.20
(.047)
0.60
1.60
1.20
(.047)
0.60
(.024)
Standard Product
Resistance Code
(.063)
1.30
(.051)
(.024)
0.80
Embossed Tape Designator
E = 1000 pcs./7" reel (-1 standard)
G = 5000 pcs./14.5" reel (-1 optional)
(.031)
WIPER
2
Consult factory for other available options.
CW
CCW
3
1
SHADED AREAS TYPICALLY NOT STOCKED BY
DISTRIBUTORS AND NOT RECOMMENDED FOR NEW
DESIGNS.
CLOCKWISE
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
METRIC
(INCHES)
DIMENSIONS ARE:
56
Specifications are subject to change without notice.
3364 - 4mm Square Trimming Potentiometer
Packaging Specifications
Standard Resistance Table
2.20 ± 0.20
(.087 ± .008)
Resistance
(Ohms)
Resistance
Code
Part
Marking
100
101
201
501
102
202
502
103
203
503
104
12
22
52
13
23
53
14
24
54
15
200
500
0.60
(.024)
1,000
2,000
5,000
10,000
20,000
50,000
100,000
5.51 ± 0.05
(.217 ± .002)
W, A
4.00 ± 0.10
ORIENTATION
8.00 ± 0.10
(.315 ± .004)
(.157 ± .004)
200,000
500,000
1,000,000
204
504
105
25
55
16
Popular values listed in boldface. Special
resistances available.
2.00 ± 0.10
(.079 ± .004)
X, B
ORIENTATION
1.50 ± 0.10
(.059 ± .004)
DIA.
4.30 ± 0.20
(.169 ± .008)
5.00 ± 0.20
(.197 ± .008)
1.75 ± 0.10
(.069 ± .004)
12.00 ± 0.30
(.472 ± .012)
TAPE
1.20 ± .05
(.047 ± .002)
178 ± .20
(7.008 ± .008)
DIA.
EQUAL
50.00
(1.969)
REF.
SPACED
3 PLCS.
1.50
MIN.
(.059)
13.00 ± 0.51
(.512 ± .020)
DIA.
21.01 ± 0.76
(.827 ± .030)
DIA.
13.00 ± 1.50
(512 ± .060)
REEL
Conforms with EIA specification RS-481.
57
Specifications are subject to change without notice.
■ Cross-slot rotor design suitable for
automatic adjustment equipment
Features
■ Surface Mount / Single-Turn Cermet /
Process Sealed
■ Supplied in 12mm embossed tape,
compatible with automatic pick-and-place
assembly equipment
■ Elastomer seal allows multiple
adjustments (5 rotations)
■ Patent #5,095,298
■ Compatible with all surface mount
manufacturing processes
■ Plastic rotor minimizes RF & ESD
concerns
■ Recommended for reflow processing only
3374 - 4mm Square Trimming Potentiometer
3374X/W
Electrical Characteristics
Packaging Specifications
Standard Resistance Range
..................................10 to 2 megohms
ADJ. SLOT
4.01
.48
2.69 ± .20
(.106 ± .008)
(see standard resistance table)
.30 + .025/- .076
(.012 + .001/- .003)
(.158)
WIDE
DEEP
LONG
MAX.
(.019)
.38
(.015)
2.54
Resistance Tolerance .............±20% std.
End Resistance........1% or 2 ohms max.
(whichever is greater)
X
X
X Orientation Shown
(.100)
Contact Resistance Variation
2 PLCS.
..............................3% or 3 ohms max.
3
8.00 ± .10
(.315 ± .004)
1
(whichever is greater)
3.98 ± .10
(.157 ± .004)
1.78
(.070)
Resolution.....................................Infinite
Adjustment Angle ...................240º nom.
Maximum Voltage ...........................200V
3.56
(.140)
2.00 ± .05
(.079 ± .002)
Environmental Characteristics
4.29 ± .20
Power Rating
(.169 ± .008)
1.93
(.076)
70°C.......................................0.25 watt
125°C..........................................0 watt
Operating Temperature Range
...................................-55°C to +125°C
Temperature Coefficient
2
1.75 ± .10
(.069 ± .004)
5.00 ± .20
(.197 ± .008)
12.00 ± .30
(.472 ± .012)
0.61 TYP.
(.024) 2 PLCS.
<500K ohms.....................±100ppm/°C
≥500K ohms .....................±150ppm/°C
Seal ......................................5 turns min.
Humidity ........MIL-STD 202 Method 103
Vibration ........20G; TRS ±1% , VRS ±1%
Shock ..........100G; TRS ±1% , VRS ±1%
Load Life (@70ºC Rated Power,
1000 hours) ...........................TRS ±3%
Rotational Life ......100 cycles; TRS ±3%
Thermal Shock...........................5 cycles
TRS ±2% , VRS ±1%
TAPE
0.74
(.029)
TYP. 2 PLCS.
177.8 ± 2.03
2.0
(.079)
REF.
DIA.
(7.000 ± .080)
1.97
(.078)
.76
(030)
EQUAL
SPACED
3 PLCS.
1.73
3.96
(.156)
4.90
(.193)
MAX.
59.2
(2.331)
REF.
MIN.
(.068)
Physical Characteristics
21.01 ± .76
(.827 ± .030)
DIA.
Torque.............................18 - 180gm/cm
Mechanical Angle .................Continuous
Marking ..........Manufacturer’s trademark
and part marking code
13.0 ± .50
(.512 ± .020)
DIA.
1.98
(.078)
14.0 ± 1.5
(.551 ± .59)
REEL
3.17
Wiper ..........Positioned at 50% nominal
Standard Packaging ......750 pcs./7” reel
Adjustment Tool ..............................H-90
(.125)
Meets EIA 481
6.78
(.267)
.99
(.039)
Standard Resistance Table
1.40
(.055)
Resistance
(Ohms)
Part Marking
Code
Resistance
Code
.99
How To Order
(.039)
10
20
50
A1
21
51
100
200
500
3.99
(.157)
3374 X - 1 - 502 E
Model
Style
100
200
A2
22
52
A3
23
53
A4
24
54
A5
101
201
501
102
202
502
103
203
503
104
WIPER
500
2
1,000
2,000
5,000
10,000
20,000
50,000
100,000
Orientation of Parts in Tape:
Style W - Terminals Toward
Sprocket Holes
CW
CCW
3
1
CLOCKWISE
Standard or Modified
Product Indicator
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
-1 = Standard Product
200,000
500,000
1,000,000
2,000,000
25
55
A6
26
204
504
105
205
METRIC
(INCHES)
Resistance Code
DIMENSIONS ARE:
Embossed Tape
750 pcs./7” reel (standard)
Consult factory for other available options.
Popular values listed in boldface. Special
resistances available.
SHADED AREAS TYPICALLY NOT STOCKED BY
DISTRIBUTORS AND NOT RECOMMENDED FOR NEW
DESIGNS.
58
Specifications are subject to change without notice.
■ Top and side adjust types (F, P, H, W, X
most popular)
Features
■ Single Turn / Cermet / Industrial / Sealed
■ High voltage types available
(see page 61 for details)
■ Available on tape and reel (see page 71
for details)
■ Available with a knob for finger adjust
■ Available with extended shaft
■ Available with cross-slot rotor
3386 - 3/8” Square Trimming Potentiometer
Common Dimensions
Side Adjust
3386W
Electrical Characteristics
1
2
3
Standard Resistance Range
ADJ. SLOT
.76
..................................10 to 2 megohms
(see standard resistance table)
Resistance Tolerance .............±10% std.
(tighter tolerance available)
WIDE
(.030)
2.44
(.096)
2.54
(.100)
9.53
(.375)
.76
(.030)
3.15
9.53
(.375)
X
X
DEEP
2.54
(.100)
LONG
(.124)
Absolute Minimum Resistance
.........................................2 ohms max.
Contact Resistance Variation
..............................2% or 3 ohms max.
(whichever is greater)
.38
(.015)
MIN.
5.33
(.210)
.51 ± .05
(.020 ± .002)
3386X
2.54
5.97 ± .89
(.100)
2
DIA. PINS
Adjustability
(.235 ± .035)
3
1
Voltage .....................................±0.05%
Resistance ...............................±0.15%
Resolution.....................................Infinite
Insulation Resistance ................500 vdc.
1,000 megohms min.
2.54
(.100)
2.54
(.100)
1.40 ± .38
(.055 ± .015)
3386B
4.83
(.190)
3
2
1
3.56 ± .38
(.140 ± .015)
Dielectric Strength
3.81
(.150)
3.81
(.150)
Sea Level .................................900 vac
70,000 Feet ..............................350 vac
Adjustment Angle ...................280° nom.
Standard Resistance Table
Resistance
(Ohms)
Resistance
Code
Environmental Characteristics
3386C
10
100
200
500
101
201
501
102
202
502
103
203
253
503
104
204
254
504
105
205
Power Rating (300 volts max.)
85°C.........................................0.5 watt
125°C..........................................0 watt
Temperature Range
...................................-55°C to +125°C
Temperature Coefficient
.........................................±100ppm/°C
Seal Test ........................85°C Fluorinert*
Humidity........MIL-STD-202 Method 103
96 hours
(2% ∆TR, 10 Megohms min.)
Vibration............30G (1% ∆TR; 1% ∆VR)
Shock..............100G (1% ∆TR; 1% ∆VR)
Load Life
20
50
100
3
2
1
200
3.56 ± .38
(.140 ± .015)
500
2.54
(.100)
2.54
(.100)
1,000
2,000
5,000
10,000
20,000
25,000
50,000
100,000
200,000
250,000
500,000
1,000,000
2,000,000
3386H
2.54
(.100)
2
1
3
2.54
(.100)
2.54
(.100)
1.40 ± .38
(.055 ± .015)
Special resistances available.
...............1,000 hours 0.5 watt @ 70°C
(3% ∆TR; 1% or 1 ohm,
whichever is greater, CRV)
Rotational Life ........................200 cycles
(4% ∆TR; 1% or 1 ohm,
How To Order
3386 P - 1 - 103 T
3386J
whichever is greater, CRV)
Model
Style
3
2
1
Physical Characteristics
Standard or Modified
Product Indicator
Mechanical Angle ...................310° nom.
Torque .............................5.0 oz-in. max.
Stop Strength ................15.0 oz -in. min.
Terminals ........................Solderable pins
Weight ........................................0.03 oz.
Marking ...........................Manufacturer’s
trademark, resistance code,
2.44
(.096)
3.81
(.150)
3.81
-1 = Standard Product
-EY5 = Extended Shaft
(.150)
Resistance Code
Optional Suffix Letter
T = Knob
3386S
1
2
3
Consult factory for other available options.
wiring diagram, date code,
manufacturer’s model
2.44
(.096)
3.81
(.150)
3.81
(.150)
number and style
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
Standard Packaging
...................................50 pcs. per tube
Wiper Positioned at 50% Nominal
Adjustment Tool ..............................H-90
METRIC
(INCHES)
DIMENSIONS ARE:
SHADED AREAS TYPICALLY NOT STOCKED BY
DISTRIBUTORS AND NOT RECOMMENDED FOR NEW
DESIGNS.
*”FLUORINERT” IS A REGISTERED TRADEMARK OF 3M CO.
Specifications are subject to change without notice.
59
3386 - 3/8” Square Trimming Potentiometer
3386H-EY5
3386X-EY5 – SHOWN
Common Dimensions
Top Adjust
3386T
ADJ. SLOT
ADJ. SLOT
.76 ± .38
(.030 ± .015)
.76
.76
WIDE
(.030)
WIDE
(.030)
1
2
3
9.53
(.375)
5.97 ± .89
(.235 ± .035)
.76
(.030)
3.15
2.54
(.100)
3.71
2.54
(.100)
X
X
DEEP
X
X
DEEP
2.54
(.100)
4.83
(.190)
LONG
LONG
(.124)
(.146)
9.53
(.375)
2.54
(.100)
3386U
.51 ± .05
(.020 ± .002)
2.54
(.100)
3.71
(.146)
2.54
(.100)
.38
(.015)
5.64
(.222)
MIN.
2
3
1
3
2 1
4.78 ± .38
7.87
(.310)
3386F
(.188 ± .015)
1.40
(.055)
2.54
(.100)
2.54
(.100)
2.54
(.100)
2.54
(.100)
3386Y
2.54
3
1
(.100)
3386P-EY5
2
2.54
3.71
5.08
(.200)
(.100)
(.146)
2.24 ± .38
(.088 ± .015)
2
3386K
3
1
3.05 ± .38
(.120 ± .015)
5.08
(.200)
7.87
(.310)
2.54 ± .25
2 PLCS.
(.100 ± .010)
3.05 ± .38
(.120 ± .015)
2.54
(.100)
3386G
2.54
(.100)
4.78
(.188)
2
ADJ. SLOT
.76
(.030)
.97
(.038)
3.05
(.120)
3
1
WIDE
DEEP
3
1
2
X
X
2.54
(.100)
90° ± 3°
LONG
3386M
The Model 3386 is available with a knob for finger
adjustment. Add suffix letter "T" to order code for
F, P and X terminal styles.
COMMON TO
3386V
3.56 ± 0.38
ADJ. SLOT
1
2
3
(.140 ± .015)
5.59
(.220)
1.02
(.040)
1.40
(.055)
LONG
3.81
(.150)
5.59
(.220)
8.38
(.330)
WIDE
DEEP
X
X
3.81
(.150)
4.83
(.190)
3386P
2.54
(.100)
2.54
(.100)
4.78 ± .38
(.188 ± .015)
10.16 ± 0.25
(.400 ± .010)
10.41 ± .51
(.410 ± .020)
6.60
(.260)
3
1
2
2.54
(.100)
3386V
3.81
(.150)
3386R
SHADED AREAS TYPICALLY NOT STOCKED BY
DISTRIBUTORS AND NOT RECOMMENDED FOR NEW
DESIGNS.
3.81
(.150)
5.64
(.222)
1.22 ± .38
(.048 ± .015)
3.56 ± .38
(.140 ± .015)
3
2 1
2.54
(.100)
1
2
3
WIPER
2
2.54
(.100)
2.54
(.100)
1.40
(.055)
CW
CCW
3
1
CLOCKWISE
60
Specifications are subject to change without notice.
■ Rated at 1KV D.C. and 600 VDC input
voltage
Features
■ 3/8” Square / Single-Turn / Cermet
Industrial / Sealed High Voltage
Focus Control
■ High stability cermet element
■ Available with optional red knob
■ Designed for electrostatic focus control
applications on monochrome or
color CRTs
3386 HV2/3386 HV3 - 3/8” Trimming Potentiometer
3386N
Typical Focus Control Circuits
Electrical Characteristics
Common Dimensions
Standard Resistance Range
3.81
(.150)
3.81
4.83
(.190)
..............................2.5 and 5 megohms
Resistance Tolerance ....................±20%
Contact Resistance Variation
...............................................2% max.
Adjustability
Voltage Divider.........................±0.05%
Rheostat...................................±0.15%
Resolution.....................................Infinite
Insulation Resistance @ 1KV D.C.
............................1,000 megohms min.
Dielectric Strength (5,000 foot altitude)
...................................1.5 KV A.C. min.
Adjustment Angle ...................280° nom.
3.81
(.150)
ANODE
VOLTAGE
10-18 KV.
TYP.
(.150)
5.97 ± .89
(.235 ± .035)
2
1
3
5.08
(.200)
†
.38
(.015)
DIA.
MIN.
3.05
(.120)
.51 ± .05
(.020 ± .002)
G4
FOCUS
0-600V
ADJ. RANGE
TYP.
ADJ. SLOT
.76
WIDE
(.030)
2.54
(.100)
3.81
X
X
DEEP
3386N-HV3-255
or
3386U-HV3-255
Environmental Characteristics
9.53
(.375)
LONG
HV2 Input Voltage
(.150)
85°C ..............................(1 KVDC max.)
125°C..........................................0 watt
HV3 Input Voltage
85°C.............................(600 VDC max.)
125°C..........................................0 watt
Temperature Range
MONOCHROME
† VALUES DETERMINED BY CIRCUIT VOLTAGES
9.53
(.375)
ANODE
VOLTAGE
21-27 KV.
TYP.
3386U
...................................-55°C to +125°C
Temperature Coefficient
.........................................±400ppm/°C
Humidity........MIL-STD-202 Method 103
240 Hours (100 megohms min. IR)
Load Life
HV2 ......................1,000 hours 1 KVDC
60°C, 90% R.H. (3% max. ∆TR)
HV3.....................1,000 hours 600 VDC
60°C, 90% R.H. (3% max. ∆TR)
Voltage Breakdown
†
5.08
(.200)
5.59
(.220)
MIN.
5.08
(.200)
3.81
(.150)
G4
FOCUS
6-7 KV.
.51 ± .05
(.020 ± .002)
DIA. PINS
†
TYP.
3
2
1
3.81
(.150)
.38
0-1 KV.
FOCUS
RANGE
MIN.
(.015)
(5,000 foot altitude) ............1.5 KV min.
Seal Test ........................85°C Fluorinert*
Vibration ................No discontinuity 30G
Shock ..................No discontinuity 100G
Rotational Life ................200 cycles min.
3386N-HV2-505
or
3386U-HV2-505
COLOR
Physical Characteristics
Mechanical Angle ...................310° nom.
Torque .............................5.0 oz-in. max.
Stop Strength ................15.0 oz -in. min.
Terminals ........................Solderable pins
Weight ........................................0.04 oz.
Marking ...........................Manufacturer’s
trademark, resistance code,
How To Order
3386 N - HV2 - 505 T
WIPER
2
CW
CCW
3
1
Model
CLOCKWISE
Style
High Voltage
Construction Indicator
HV2 = 1000 VDC
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
wiring diagram, date code,
HV3 = 600 VDC
METRIC
(INCHES)
DIMENSIONS ARE:
manufacturer’s model
Resistance Code
number and style
-255 = 2.5 megohms
-505 = 5 megohms
Flammability ..........................U.L. 94V-0
Standard Packaging .....50 pcs. per tube
Adjustment Tool ..............................H-90
Optional Suffix Letter
T = Red Knob
SHADED AREAS TYPICALLY NOT STOCKED BY
DISTRIBUTORS AND NOT RECOMMENDED FOR NEW
DESIGNS.
*”FLUORINERT” IS A REGISTERED TRADEMARK OF 3M CO.
Specifications are subject to change without notice.
61
■ Vertical adjust type available
Features
■ Single-Turn / Cermet / Industrial / Sealed
■ Designed for operational amplifier offset
voltage adjustment applications
■ Reduces power supply drift errors
■ Unique center tapped trimming
potentiometer
3386-OT1 - 3/8” Square Trimming Potentiometer
3386P-OT1
Standard Resistance Table
Electrical Characteristics
Standard Resistance Range
.......................100 ohms to 1 megohm
(see standard resistance table)
Resistance Tolerance .............±20% std.
Absolute Minimum Resistance
.........................................2 ohms max.
Voltage Output Variation.............±0.25%
Adjustability (VR) ......................±0.025%
Insulation Resistance @ 500 vdc
4.83
(.190)
Resistance
(Ohms)
Resistance
Code
4.70 ± .51
(.185 ± .030)
2.54
3
5.97 ± .89
(.235 ± .035)
100
101
201
501
102
202
502
103
203
503
104
204
504
105
200
(.100)
500
2
1,000
2,000
2.54
(.100)
5,000
4
2.54
10,000
20,000
50,000
100,000
200,000
500,000
1,000,000
.38
(.015)
1
MIN.
(.100)
2.54
(.100)
.51 ± .05
(.020 ± .002)
DIA.
9.53
............................1,000 megohms min.
Dielectric Strength
Sea Level .................................900 vac
70,000 Feet ..............................350 vac
Effective Electrical Travel........280° nom.
Center Tap Resistance .......2 ohms max.
Center Tap Electrical Center............±5%
Center Tap Dead Band...................6°±4°
(.375)
Popular values listed in boldface. Special
resistances available.
9.53
(.375)
SHADED AREAS TYPICALLY NOT STOCKED BY
DISTRIBUTORS AND NOT RECOMMENDED FOR NEW
DESIGNS.
ADJ. SLOT
.76
(.030)
.76
(.030)
3.81
(.150)
WIDE
X
X
DEEP
Environmental Characteristics
5.64
(.222)
TOLERANCES: ± 0.25 (.010) EXCEPT WHERE NOTED
Power Rating
LONG
85°C.........................................0.5 watt
150°C..........................................0 watt
Temperature Range
...................................-55°C to +150°C
Temperature Stability (∆VR)
METRIC
(INCHES)
DIMENSIONS ARE:
CLOCKWISE
WIPER
2
..........................................±0.5% max.
Seal Test ........................85°C Fluorinert*
Humidity........MIL-STD-202 Method 103
96 hours ±2%
CW
CCW
3
1
CENTER TAP
4
∆TR 10 Megohms min.
Vibration, 30G .........................±1% ∆TR
Shock, 100G ...........................±1% ∆TR
Load Life, 1,000 Hours ............±3% ∆TR
Rotational Life, 200 cycles ......±4% ∆TR
Suggested Offset Voltage Adjustment Circuit
R2
+V
3
- INPUT
+ INPUT
-
OUTPUT
R2
+
Physical Characteristics
Mechanical Angle ...................310° nom.
Torque .............................5.0 oz-in. max.
Stop Strength .................15.0 oz-in. min.
Terminals ........................Solderable pins
Weight ........................................0.03 oz.
Marking ...........................Manufacturer’s
trademark, resistance code,
R5
R6
R3
20KΩ
2
4
10Ω
R4 = R5 + R6
OFFSET
ADJUSTMENT
RANGE = ±V (R3/R6)(R2/R2 + R5)
R2 & R4> R6
1
–V
R1 20KΩ
BOURNS OFFSET TRIMMER
wiring diagram, date
code, manufacturer’s model
number and style
Flammability ..........................U.L. 94V-0
Standard Packaging
............................50 pcs. per tube/tray
Adjustment Tool ..............................H-90
How To Order
3386 P - OT1 - 103
Also see Model 3296-OT1, page 30.
Model
Style
Catalog Product
Resistance Code
*”FLUORINERT” IS A REGISTERED TRADEMARK OF 3M CO.
62
Specifications are subject to change without notice.
Features
■ High temperature plastic rotor
Applications
■ Car radios
■ Recommended for reflow processing
■ Color printers
■ Rotor design compatible with pick and
place and automatic adjustment equipment
■ Cordless telephones
■ CCD Camera control modules
■ LCD modules
■ Supplied in 8mm embossed tape, compat-
ible with automatic assembly equipment
■ Cermet element
TC03 - Trimming Potentiometer
TC03X-2
Electrical Characteristics
Standard Resistance Range
..................................100 to 1 megohm
(see standard resistance table)
Resistance Tolerance .............±25% std.
Absolute Minimum Resistance
Standard Resistance Table
3mm Open Frame
for Reflow Soldering
3-Terminal
Resistance
(Ohms)
Part Marking Resistance
Code
Code
100
200
500
12
22
52
101
201
501
3.00
(.118)
2.80
≤ 1K Ohms ......................20 ohms max.
>1K Ohms .....................2% max. of TR
Contact Resistance Variation
................................................5% max.
Resolution...................................Infinite
Adjustment Angle ....................270° ±20°
1,000
2,000
5,000
10,000
20,000
13
23
53
14
24
54
15
25
55
16
102
202
502
103
203
503
104
204
504
105
(.110)
2
3.60
(.141)
50,000
100,000
200,000
500,000
1,000,000
1.50
(.059)
Environmental Characteristics
3.00
(.118)
DIA.
Resistance to Soldering Heat
.......260°C, 10 seconds, TRS max. 5%
Power Rating (50 VDC max.)
70°C .......................................0.10 watt
Temperature Range
......................................-40°C to +85°C
Temperature Coefficient
..........................................±250ppm/°C
Humidity .....................................95% RH
500 hours
TRS max. ........................................±5%
Load Life
1.90
1
3
Popular values listed in boldface.
(.074)
1.50
(.059)
1.85
(.072)
1.30
(.051)
0.95
(.037)
1.10
(.043)
0.60
(.023)
.............@ 70°C rated power 500 hours
TRS ±5%
Rotational Cycling......................20 turns
TRS ±15%
0.80
(.031)
0.80
(.031)
Physical Characteristics
SUGGESTED PWB LAYOUT
Torque.........................20-200g-cm max.
Mechanical Angle .................Continuous
Marking......................Part marking code
Standard Packaging
1.60
(.062)
0.90
(.035)
1.50
(.059)
...................................2000 pcs./7” reel
1.00
(.039)
How To Order
TC03 X - 2 - 103 E
Model
0.80
(.031)
1.20
(.047)
3.20
(.125)
Style
Orientation of Parts
In Tape:
Style X: Terminals Away
From Sprocket
Holes
WIPER
2
CW
CCW
3
1
CLOCKWISE
Standard or Modified
Product Indicator
-2 = Cross Slot Rotor (Std. Product)
METRIC
(INCHES)
Resistance Code
DIMENSIONS ARE:
Embossed Tape Designator
Consult factory for other available options.
63
Specifications are subject to change without notice.
Features
■ Recommended for reflow processing
Applications
■ Audio car radios
■ Rotor design compatible with pick and
place and automatic adjustment equipment
■ Satellite receivers - digital/analog
■ Computer power supplies
■ Supplied in 8mm embossed tape, compat-
ible with automatic assembly equipment
■ Carbon element
TC73 - Trimming Potentiometer
TC73X/W-2
Electrical Characteristics
How To Order
3.10
(.122)
Standard Resistance Range
..................................500 to 1 megohm
(see standard resistance table)
3.60
(.141)
TC73 X - 1 - 103 E
1.60
(.062)
2
Model
Resistance Tolerance .............±30% std.
Absolute Minimum Resistance
≤ 1K Ohms ......................20 ohms max.
>1K Ohms .....................2% max. of TR
Contact Resistance Variation
................................................5% max.
Resolution...................................Infinite
Adjustment Angle...............260° ±20°(-2)
Style
2.20
(.086)
Orientation of Parts
In Tape:
1.50
(.059)
Style X: Terminals Away
From Sprocket
Holes
RESISTANCE
Style W: Terminals in direction
to sprocket holes
(preferred)
1.90
(.075)
1.80
(.070)
3
1
0.50
(.019)
Environmental Characteristics
Standard or Modified
Product Indicator
1 = Mechanical rotation stop
(preferred)
0.80
(.031)
Resistance to Soldering Heat
.......240°C, 20 seconds, TRS max. 5%
Power Rating (50 VDC max.)
50°C .......................................0.05 watt
Temperature Range
1.80
(.070)
2 = Continuous
Resistance Code
......................................-25°C to +85°C
Temperature Coefficient
Embossed Tape Designator
E = 2000 pcs. per reel, 8mm tape
..........................................±250ppm/°C
Humidity .....................................95% RH
500 hours
TRS max. ..........................+15% to -2%
Load Life
.............@ 50°C rated power 500 hours
TRS ±5%
0.80
(.031)
0.65
(.025)
1.15
(.059)
1.15
(.059)
Consult factory for other available options.
1.80
(.070)
DIA.
Rotational Cycling......................20 turns
TRS ±20%
0.55
(.021)
0.35
(.013)
DRIVER
SLOT DEPTH
Physical Characteristics
Torque.........................10-150g-cm max.
Mechanical Angle
0.20
(.008)
.........................Continuous; 260° ± 20°
Marking......................Part marking code
Standard Packaging
DRIVER SLOT SHAPE
SUGGESTED PCB LAYOUT
...................................2000 pcs./7” reel
1.30
(.051)
0.80
(.031)
Soldering Process
Hand Soldering ....Soldering Iron of 20W
or less controlled at 280°C for about 3
sec. while applying solder
1.25
(.049)
1.30
(.051)
Reflow Soldering ........Peak temperature
or reflow oven should be
set to 240°C max.
1.25
(.049)
1.20
1.20
Standard Resistance Table
(.047)
(.047)
0.80
(.031)
Resistance
(Ohms)
Part Marking Resistance
Code
Code
500
52
501
1,000
2,000
5,000
10,000
20,000
13
23
53
14
24
54
15
25
55
16
102
202
502
103
203
503
104
204
504
105
WIPER
2
CW
CCW
3
1
50,000
100,000
200,000
500,000
1,000,000
CLOCKWISE
METRIC
(INCHES)
Popular values listed in boldface.
DIMENSIONS ARE:
64
Specifications are subject to change without notice.
Features
■ Dust-resistant enclosure
Applications
■ Power supplies
■ Cordless phones
■ Printer
■ Polyester substrate
■ Available on tape and reel for automatic
insertion or in bulk for manual assembly
■ Television sets
■ Audio equipment
■ Adjustable front/back, top/bottom
■ Cross slot rotor design suitable for
automatic adjustment equipment
TC76 - 6mm Carbon Trimming Potentiometer
Electrical Characteristics
Packaging Specifications
Taper..........................................................................................................................Linear
Standard Resistance Range............................................................100 ohms – 1megohm
Resistance Tolerance ................................................................................................±30%
Maximum Voltage ..................................................................................................100VDC
Standard Nominal Resistance Value ....................................................................See table
Residual Resistance ..........................................................................≤ 2% (min. 10 ohms)
Equivalent Noise Resistance ......................................................................................≤ 5%
R: Tape and Reel (W, N, G)
Top Adjust:
Side Adjust: 1000pcs
750pcs
52
(2.047)
360
(14.173)
DIA.
Environmental Characteristics
A: Ammo Pack (W, N, G)
Power Rating ............................................................................................0.1 Watt @ 40°C
Operating Temperature.................................................................................-25°C to 70°C
Load Life ........................................................................1000 hours @ 40°C; 0.1W; ±10%
Mechanical Life (Cycles)......................................................100 @ 10CPM; ±3% (Rn <1M)
Temperature Coefficient ......................................................................................±300ppm
Thermal Cycling .........................................................16 hours @ 85°C; 2h @ -25°C; ±5%
Damp Heat.................................................................500 hours @ 40°C @ 95% HR; ±5%
Vibration ....................................................................2 hours @ 20g @ 10Hz…50Hz: ±2%
Top Adjust:
Side Adjust: 1000pcs
750pcs
260
(10.236)
338
(13.307)
48
(1.889)
Physical Characteristics
Bulk (B, Z, P)
42
(1.653)
Mechanical Angle ................................................................................................280° ±10°
Electrical Angle ...................................................................................................245° ±25°
Rotational Torque ...........................................................................................0.2 to 3 Ncm
Stop-End Strength ..............................................................................................>3.5 Ncm
500pcs
86
185
(3.385)
(7.283)
How to Order
Adjustment Details
TC76 B - 1 - 102 __
Top Adjust Styles G, N, P and Z
Model
Style
3.8
(0.149)
3.7
(0.145)
5.2
(0.205)
2.5
(0.098)
6.3
(0.248)
4.2
See drawings (B, Z preferred)
0.9
(0.165)
(0.035)
Standard or Modified
Product Indicator
-1 = Standard Product
Resistance Code
2.15
(0.064)
0.9
(0.035)
0.8
(0.031)
Optional Packaging Designator
(Standard = Bulk)
R = Tape & Reel (W, N, G)
A = Ammo Pack - preferred (W, N, G)
2.8
(0.110)
5
7.6
(0.299)
(0.197)
MM
DIMENSIONS:
(IN)
2
WIPER
Standard Resistance Table
CCW
1
3
Resistance
(Ohms)
Resistance
Code
CLOCKWISE
Side Adjust Styles B and W
100
200
500
101
201
501
6.4
(0.252)
3.8
(0.149)
5.2
(0.205)
1,000
2,000
5,000
10,000
20,000
50,000
100,000
102
202
502
103
203
503
104
8.7
(0.342)
3.7
(0.145)
2.8
(0.110)
4.2
0.9
(0.165)
(0.035)
0.9
0.8
(0.031)
(0.035)
5
200,000
500,000
1,000,000
204
504
105
(0.197)
0.3 ± 0.05
(0.012 ± .002)
0.5 ± 0.07
(0.019 ± .003)
5
(0.197)
2.5
(0.098)
0.8 +0.1/-0.2
(0.031 +.004/-.008)
SHADED AREAS TYPICALLY NOT STOCKED BY
DISTRIBUTORS AND NOT RECOMMENDED FOR NEW
DESIGNS.
65
Specifications are subject to change without notice.
TC76 - 6mm Carbon Trimming Potentiometer
Taped Model TC76W
12.7 ± 1
(0.500 ± .039)
PCB Layout
1.3 +0.1/-0
(0.051 +.004/-0)
DIA.
3 ± 0.05
(0.118 ± .002)
1 +0.1/-0
(0.039 +.004/-0)
DIA.
0.4
(0.015)
28.7 ± 1
(1.086 ± .039)
5 +0.8/-0.2
3.85 ± 0.7
5 ± 0.05
(0.197 ±.002)
(0.197 +.031/-.008)
(0.152 ± .028)
17 ± 0.5
(0.669 ± 0.02)
20 ± 0.5
(0.787 ± .020)
2
MAX.
9 ± 0.5
(0.078)
(0.354 ± .020)
MM
(IN)
DIMENSIONS:
6 ± 0.3
(0.236 ± .012)
18 +1/-0.5
(0.708 +.039/-.020)
6.35 ± 1.3
(0.250 ± .051)
4 ± 0.3
(0.156 ± .012)
DIA.
12.7 ± 0.3
(0.500 ± .012)
Taped Model TC76N (Preferred)
PCB Layout
12.7 ± 1
(0.500 ± .039)
1.3 +0.1/-0
(0.051 +.004/-0)
DIA.
2.5 ± 0.05
(0.098 ± .002)
1 +0.1/-0
(0.039 +.004/-0)
DIA.
0.4
(0.015)
27.6 ± 1
(1.086 ± .039)
5 +0.8/-0.2
(0.197 +.031/-.008)
3.85 ± 0.7
(0.152 ± .028)
5 ± 0.05
(0.197 ±.002)
17 ± 0.5
(.669 ± 0.02)
20 ± 0.5
(0.787 ± .020)
2
MAX.
9 ± 0.5
(0.078)
(0.354 ± .020)
6 ± 0.3
(0.236 ± .012)
18 +1/-0.5
(0.708 +.039/-.020)
6.35 ± 1.3
(0.250 ± .051)
4 ± 0.3
(0.156 ± .012)
DIA.
12.7 ± 0.3
(0.500 ± .012)
Taped Model TC76G
PCB Layout
12.7 ± 1
(0.500 ± .039)
1.3 +0.1/-0
(0.051 +.004/-0)
DIA.
3 ± 0.05
(0.118 ± .002)
1 +0.1/-0
(0.039 +.004/-0)
DIA.
0.4
(0.015)
27.6 ± 1
(1.086 ± .039)
3.85 ± 0.7
(0.152 ± .028)
5 +0.8/-0.2
(0.197 +.031/-.008)
5 ± 0.05
17 ± 0.5
(0.669 ± 0.02)
(0.197 ±.002)
20 ± 0.5
(0.789 ± .020)
2
9 ± 0.5
MAX.
(0.078)
(0.354 ± .020)
6 ± 0.3
(0.236 ± .012)
18 +1/-0.5
(0.708 +.039/-.020)
6.35 ± 1.3
(0.250 ± .051)
4 ± 0.3
(0.156 ± .012)
DIA.
12.7 ± 0.3
(0.500 ± .012)
66
Specifications are subject to change without notice.
TC76 - 6mm Carbon Trimming Potentiometer
Through-hole Model TC76B preferred
Through-hole Model TC76Z preferred
1.3 +0.1/-0
(0.051 +.004/-0)
8.7
(0.342)
5
3.7
(0.146)
1.3 +0.1/-0
(0.051 +.004/-0)
DIA.
DIA.
(0.197)
5.2
(0.205)
2.5 ± 0.05
6.4
(0.252)
2
8.7
(0.342)
6.4
(0.252)
(0.098 ± .002)
5.2
(0.205)
7.6
(0.299)
(0.079)
DIA.
5
5 ± 0.05
(0.197 ±.002)
(0.197)
1 +0.1/-0
(0.039 +.004/-0)
DIA.
1.5
(0.059)
1 +0.1/-0
3
3
(0.039 +.004/-0)
DIA.
3.6
(0.142)
(0.118)
3.6
(0.142)
0.3 ± 0.05
(0.012 ± .002)
(0.118)
0.5 ± 0.07
0.3 ± 0.05
(0.019 ± .003)
5
(0.012 ± .002)
0.5
(0.019)
5 ± 0.05
(0.197 ±.002)
(0.197)
2.5
(0.098)
5
5 ± 0.05
(0.197 ±.002)
0.8 +0.1/-0.2
(0.031 +.004/-.008)
(0.197)
0.8
(0.032)
Through-hole Model TC76P
Crimped Terminals detail
8.7
(0.342)
5
CRIMPING DETAIL
3.7
(0.146)
1.3 +0.1/-0
(0.051 +.004/-0)
DIA.
(0.197)
2.5 ± 0.05
(0.098 ± .002)
6.4
(0.252)
5.2
(0.205)
7.6
(0.299)
2.9
(0.114)
3.5
(0.137)
0.7
1 +0.1/-0
(0.027)
(0.039 +.004/-0)
DIA.
0.75
(0.029)
1.5
(0.059)
3
3.6
(0.142)
(0.118)
0.3 ± 0.05
(0.012 ± .002)
2.5
(0.098)
2.15
(0.085)
0.5
(0.019)
5 ± 0.05
(0.197 ±.002)
0.8
(0.032)
67
Specifications are subject to change without notice.
Features
■ Dimensions of 6, 8 and 10mm
Applications
■ Television sets
■ Low cost receivers
■ Carbon element
■ Open frame construction
■ Vertical or horizontal adjustment
TDB06/TDB08/TDB10 - Trimming Potentiometer
TDB06-5
TDB08-5
TDB10-4
TDB06-6
TDB08-3
TDB10-8
Electrical Characteristics
Taper .........................................B (linear)
Standard Resistance Range
A
A
............................500 ohms to 1M ohm
(see standard resistance table)
Resistance Tolerance .............±30% std.
Nominal Resistance Value
C
C
B
B
...............See standard resistance table
Residual Resistance
E
.........................Max. 100 ohms or ±5%
Environmental Characteristics
Power Rating
D
TDB06 ....................................0.05 watt
TDB08/10 .................................0.1 watt
Temperature ...................+5% and -30%
resistance change
D
E
1.0
(.039)
3 PLACES
after 5 hours at 70°C
Load ...........5% resistance change max.
after 3 hours rated load
Humidity ...15% resistance change max.
after 5 hours in 95% RH at 40°
Load Life...20% resistance change max.
after rated load for 350 hours in
90% RH at 40°
G
RECOMMENDED PCB LAYOUT
F
Physical Characteristics
RECOMMENDED PCB LAYOUT
Mechanical Angle ...................280° ± 20°
Rotational Torque...............20 - 300 gcm
Stop-End Strength ...........0.5 kgcm min.
Mechanical Strength Base ..1 kgcm min.
Contact Force ...........................20g min.
Rotational Life ................15% resistance
change max. after 100
1.2
(.047)
DIA.
3 PLACES
G
G
1.2
(.047)
DIA.
3 PLACES
G
rotational life tests
Soldering Condition .............260°C max.
within 3 seconds
H
H
Dimensions
TDB-06-5
6.6
.260
7.2
.283
3.6
.142
3
.118
3.8
.150
6.9
.272
2.5
.089
TDB-08-5
8
.315
11
.433
4
.157
4
.157
4
.157
10
.394
2.5
.089
TDB-10-4
10
.394
15.3
.602
7.3
.278
5
.197
4
.157
15
.590
3.5
Dimensions
A
B
C
D
E
How To Order
TDB-06-6
TDB-08-3
TDB-10-8
10
6.6
.260
7.2
.283
3.6
.142
3.5
.138
2.3
.090
2.5
.089
2.5
.089
2.5
.089
8
TDB 08 - 3 103
A
B
C
D
E
.315
11
.433
4
.394
15.3
.602
7.3
Model
Size
.157
4
.157
3
.278
7
.275
3.5
• 06 = 6.5mm
• 08 = 8mm
• 10 = 10mm
F
.118
2.5
.089
2.5
.089
2.5
.089
.138
1
.039
1
.039
5
.197
Pin/Housing Style
(Refer to drawing)
G
F
.138
Resistance Code
(See table)
G
H
Standard Resistance Table
Resistance
(Ohms)
Resistance
Consult factory for other available options.
Code
500
1,000
2,000
501
102
202
502
103
203
503
104
204
504
105
METRIC
(INCHES)
DIMENSIONS ARE:
5,000
10,000
20,000
50,000
100,000
200,000
500,000
1,000,000
68
Specifications are subject to change without notice.
Optional Products
These optional trimmer products are not recommended for new designs. However, if you require technical
specifications, contact a Bourns representative in your area.
Mounting
Model
Product
Size
Circuit Board Layout
Number
Surface Through-
Mount
Hole
5.08
3005
•
3/4” rectangular
3/4” rectangular
1/2” rectangular
1/2” round
12.70
5.08
3009
•
•
•
17.78
2.54
3082
12.70
2.54
2.54
5.08
3345
5.08
2.25
3.2
(.089)
(.126)
3373
•
3mm square
3.5
(.138)
Turns
Single
Model
Number
Element Resistance
Power
Rating
Mechanical
Turns
Temp.
Range
Sealing
Tolerance
±10%
±10%
±10%
±5%
Adjust
Side
Tech.
Range
Multi
10 ohms
to
70°C - 1.0 watts
125°C - 0 watt
-65°C -
+125°C
3005
3009
3082
3345
3373
•
Sealed Wirewound
20
15
10
1
50K ohms
10 ohms
to
5 megohms
@ 400 volts max.
70°C - 0.75 watts
150°C - 0 watt
-55°C -
+150°C
•
•
Sealed
Sealed
Cermet
Cermet
Side
10 ohms
to
@ 400 volts max.
85°C - 0.3 watts
150°C - 0 watt
-65°C -
+150°C
Side
2 megohms
10 ohms
to
70°C - 1.0 watts
150°C - 0 watt
Top,
Side
-55°C -
+150°C
•
•
Sealed Wirewound
50K ohms
10 ohms
to
70°C - .125 watts
125°C - 0 watt
Top,
Side
-55°C -
+125°C
Sealed
Cermet
±25%
1
2M ohms
69
Specifications are subject to change without notice.
Tape and Reel Packaging Specifications
Now there is a full assortment of Trimpot®
Potentiometer models on tape and reel
or ammo pack packaging.
3266*
3296*
Product specifications and
standard resistance values, page 20.
Product specifications and
standard resistance values, page 26.
• These models are available taped and
SIDE ADJ UST
packaged per EIA Standard 468.
3266Z-1-(RC)R
SIDE ADJ UST
3296X-1-(RC)R
• All models have been tested for
compatibility with popular radial
insertion machine models on the
market today.
3.81 ± .71
(.150 ± .028)
28.07 ± .76
(1.105 ± .030)
12.70
(.500)
REF.
12.70
(.500)
24.9 + .76
REF.
(.980 + .030)
18 ± .76
3.81 ± .71
(.709 ± .030)
(.15 ± .028)
8.9 + .76 /- .5
(.035 + .030/ .020)
8.89 + .76 /- .51
(.350 + .030 /- .020)
2
3
2
How To Order
3
1
1
3362 M - 1 - 103 R
Model
18 ± .76
(.709 ± .030)
Style
4.0 ± .03
4.0 ± .03
18 + 1.0/ - 0.5
(709 + .040/ - .020)
Standard Product
Resistance Code
(.157 ± .001)
18 + 1.0/ - 0.5
(709 + .040/ - .020)
(.157 ± .001)
DIA.
DIA.
12.7 + 0.3/ - 0.25
(.500 + .012/ - .010)
12.7 + 0.3/ - 0.25
(.500 + .012/ - .010)
Tape & Reel
Designator: Use “R” for Tape & Reel
Use “A” for Ammo Pack
4.83 + .30/ -.25
(.190 + .012/ -.010)
4.32 ± .38
(.170 ± .015)
2.41 ± .25
(.095 ± .010)
2.16 ± .25
(.085 ± .010)
2.54
(.100)
2.54
(.100)
ALL PINS IN-LINE ON
CENTER
ALL PINS IN-LINE ON
CENTER
.43 ± .05
(017 ± .002)
DIA. TYP.
MM
MM
(INCHES)
DIMENSIONS:
DIMENSIONS:
(INCHES)
1000/REEL/BOX
1000/REEL/BOX
TOP ADJ UST
TOP ADJ UST
3296W-1-(RC)R
3266Y-1-(RC)R
3.81 ± .71
(.150 ± .028)
3.81 ± .71
(.150 ± .028)
8.89 + .76 /- .51
(.350 + .030 /- .020)
12.70
(.500)
12.70
REF.
REF.
(.500)
18 ± .76
(.709 ± .030)
8.9 + .76 /- .5
(.035 + .030/ .020)
2
29.59 ± .76
(1.165 ± .030)
25.9 ± 0.76
(1.020 ± .030)
3
1
2
3
1
18 ± .76
(.709 ± .030)
4.0 ± .03
18 + 1.0/ - 0.5
(709 + .040/ - .020)
18 + 1.0/ - 0.5
(709 + .040/ - .020)
4.0 ± .03
(.157 ± .001)
DIA.
(.157 ± .001)
DIA.
12.7 + 0.3/ - 0.25
(.500 + .012/ - .010)
12.7 + 0.3/ - 0.25
(.500 + .012/ - .010)
3.81 ± .71
(.150 ± .028)
4.83 + .30/ -.25
(.190 + .012/ -.010)
4.32 ± .38
(.170 ± .015)
2.54
(.100)
2.41 ± .25
(.095 ± .010)
2.16 ± .25
(.085 ± .010)
2.54
(.100)
2.54
(.100)
ALL PINS IN-LINE ON
CENTER
ALL PINS IN-LINE ON
CENTER
.51 ± .051
(020 ± .002)
DIA. TYP.
MM
MM
DIMENSIONS:
DIMENSIONS:
(INCHES)
(INCHES)
1000/REEL/BOX
1000/REEL/BOX
Specifications are subject to change without notice.
*Patented models.
70
Tape and Reel Packaging Specifications
3329
3362
3386
Product specifications and
standard resistance values, page 51.
Product specifications and standard
resistance values, pages 54 & 55.
Product specifications and standard
resistance values, pages 59 & 60.
SIDE ADJ UST
3362M-1-(RC)R
SIDE ADJUST
3386W-1-(RC)R
SIDE ADJ UST
3329M-1-(RC)R
12.70
(.500)
REF.
12.70
(.500)
26.4 ± .76
(1.039 ± .030)
REF.
27.56 ± .76
(1.085 ± .030)
27.56 ± .76
(1.085 ± .030)
9.4 ± .5
(.370 ± .020)
12.70
(.500)
7.0
(.275)
REF.
18 ± .76
18 ± .76
(.709 ± .030)
(.708 ± .029)
2
3.81 ± .71
(.15 ± .028)
3
2
1
2
1
1
3
3
8.89 + .76 /- .50
(.350 + .030/ - .020)
4.0 ± 0.3
(.157 ± .012)
18 + 1.0/ - 0.5
(.709 + .039/ .020)
4.0 ± 0.3
(.157 ± .011)
4.0 ± 0.3
DIA.
18 + 1.0/ - 0.5
(.709 + .039 -.019)
18 + 1.0/ - 0.5
(.709 + .040/ - .020)
(.157 ± .012)
DIA.
DIA.
12.70 + 0.3/ - 0.25
(.500 + .012/ - .010)
12.7 + 0.3/ -0.25
(.500 + .012/ -.009)
12.70 + .30/ - 0.25
(.500 + .012/ - .010)
6.1 ± .25
(.240 ± .010)
4.83 ± .25
4.7
(.190 ± .010)
(.185)
3.43 ± .25
(.135 ± .010)
2.44 ± .25
(.096 ± .010)
2.3 ± .38
(.090 ± .014)
.43 ± .05
DIA. TYP.
2.54
(.100)
(.017 ± .002)
ALL PINS IN-LINE ON
CENTER
2.54
(.100)
ALL PINS IN-LINE ON
CENTER
MM
.51 ± .05
(.020 ± .002)
DIA. TYP.
DIMENSIONS:
(INCHES)
MM
2.54
DIMENSIONS:
ALL PINS IN-LINE ON
CENTER
(INCHES)
1000/REEL/BOX
(.100)
MM
(INCHES)
1000/REEL/BOX
DIMENSIONS:
TOP ADJ UST
3362U-1-(RC)R
1000/REEL/BOX
TOP ADJUST
3386U-1-(RC)R
12.70
(.500)
TOP ADJ UST
3329U-1-(RC)R
REF.
8.89 ± 0.7
(.350 ± .028)
22.98 ± .076
(.905 ± .030)
12.70
(.500)
22.7 ± .76
4.7
REF.
18.03 ± 0.7
(.710 ± .028)
(.893 ± .029)
(.185)
18 ± .76
(.708 ± .029)
12.70
(.500)
REF.
6.35
10.16
(.400)
MIN.
MAX.
3
1
(.250)
2
1
3
2
24.38 ± 0.76
(.960 ± .030)
3
1
3.99 ± 0.3
(.157 ± .012)
18.03 ± 1.5
(.710 ± .060)
DIA.
4.0 ± 0.3
(.157 ± .011)
18 ± .76
(.709 ± .030)
18 + .76/ -.5
(.708 + .029 -.019)
DIA.
3.18 ± 0.7
(.125 ±.028)
4.0 ± 0.3
(.157 ± .012)
DIA.
12.70 + 0.3/ - 0.25
(.500 + .011 -.009)
18 + 1.0/ - 0.5
(.709 + .039/ .020)
12.7 ± 0.3
(.500 ± .012)
12.70 + 0.3/ - 0.25
(.500 + .012/ - .010)
7.0
(.275)
9.53
(.375)
6.35 ± .5
(.250 ± .020)
3.56 ± .38
4.78
(.140 ± .014)
(.188)
CENTER
2.79 ± .25
(.110 ± .010)
2.54
(.100)
2.54
(.100)
ALL PINS IN-LINE ON
CENTER
ALL PINS IN-LINE ON
MM
MM
DIMENSIONS:
750/REEL
DIMENSIONS:
(INCHES)
(INCHES)
2.54
(.100)
ALL PINS IN-LINE ON
CENTER
1000/REEL/BOX
MM
(INCHES)
DIMENSIONS:
1000/REEL/BOX
71
Specifications are subject to change without notice.
Factory Installed Panel Mount
TRIMPOT® POTENTIOMETER
PANEL MOUNTING OPTIONS
AND HARDWARE
Models RT12/RJ 12, 3057/3059
Models 3005/3006/3009
HEX NUT AND
LOCKWASHER
6.35
#10-32 UNF-2A THD.
Many Trimpot® Potentiometers are avail-
able for panel mount application.
(.25)
20.32
10.31
(.406)
MAX.
(.80)
This product option provides for maxi-
mum design flexibility.
2.54
(.100)
To order Trimpot® Potentiometers with
panel mount hardware attached by the
factory, simply add an “M” or “Z”
suffix to the Bourns part number per
Table I, page 75.
7.95
(.313)
33.35
(1.31)
6.35
(.25)
ADJ. SLOT
2.54
(.100 )
.508
LONG
WIDE
DEEP
Example:
3006P-1-100Z
(.020)
.762
(.030)
BUSHING
10-32
NF-2 THD
To order military Trimpot®
Potentiometers with panel mount hard-
ware attached by the factory, order the
military part number and add “with panel
mount attached.”
Example:
RT12C2PRC, with panel mount
attached.
3.81
(.150)
6.76 ± .38
(.266 ± .015)
1.52 TO 3.30
(.06 TO .13)
To order panel mounting accessories for
customer installation, simply use the part
number per Table II, page 75.
ADJ. SLOT
2.54
LONG
7.92
(.312)
(.100)
.635
WIDE
DEEP
(.020)
.762
(.030)
Example:
H83P
3.30
(0.13)
PANEL
MAX.
5.94
(.234)
NOTE: For complete product specifica-
tions, see catalog page for the trimmer
model.
Torque - Apply maximum 8 in. lbs. on
mounting nut when mounted on panel.
NOTES:
NOTES:
1. PROVIDED WITH LOCKWASHER AND MOUNTING
NUT.
.200
2. RECOMMEND PANEL HOLE SIZE #7 DRILL
(.008)
1. PROVIDED WITH LOCKWASHER AND MOUNTING
NUT.
.194
2. RECOMMEND PANEL HOLES. #10 DRILL
(.008)
72
Specifications are subject to change without notice.
Factory Installed Panel Mount
Models RT24/RTR24/3290
Models RT22/RTR22/RJ 22 3250/3252
Models 3292
H and W Styles - 3290 X & W Styles-
RT24/RTR24
X, L and W Styles
6.10
(.240)
7.62
(.300)
6.10
(.240)
3.05
4.06
3.05
(.120)
(.160)
(.120)
ADJ. SLOT
.243
ADJ. SLOT
ADJ. SLOT
.243
.243
(.010)
.064
LONG
BUSHING
10-32 UNF-2A
THD.
BUSHING
LONG
WIDE
DEEP
BUSHING
10-32 UNF-2A
THD.
LONG
WIDE
DEEP
(.010)
(.010)
.064
10-32 UNF-2A
.064
THD.
WIDE
DEEP
(.003)
.064
(.003)
.064
(.003)
.064
(.003)
OPT. BEND
OPT. BEND
OPT. BEND
DOWN ANTI-
ROTATION TAB
(.003)
DOWN ANTI-
(.003)
DOWN ANTI-
ROTATION TAB
ROTATION TAB
6.35
6.35
6.35
(.250)
(.250)
(.250)
10.92
(.430)
13.97
(.550)
11.43
(.450)
11.68
(.460)
11.68
(.460)
14.99
(.590)
.826 ± .038
.826 ± .038
(.033 ± .020)
(.033 ± .020)
PANEL
3.3
(.130)
MAX
PANEL
3.3
(.130)
MAX
11.43
(.450)
PANEL
3.3
(.130)
MAX
PANEL LAYOUT
PANEL LAYOUT
PANEL LAYOUT
.200
(.008)
.200
(.008)
= 7 DRILL
= 7 DRILL
.200
(.008)
7.37
(.290)
7.37
(.290)
= 7 DRILL
10.16
(.400)
.132 OPTIONAL FOR
(.005) ANTI-ROTATION NUB
.132 OPTIONAL FOR
(.005) ANTI-ROTATION NUB
.132 OPTIONAL FOR
(.005) ANTI-ROTATION NUB
NOTES:
N
NOTES:
1. PROVIDED WITH LOCKWASHER AND MOUNTING
NUT.
1. PROVIDED WITH LOCKWASHER AND MOUNTING
NUT.
NOTES:
1. PROVIDED WITH LOCKWASHER AND MOUNTING
NUT.
73
Specifications are subject to change without notice.
Customer Installed Panel Mount - Unsealed
SEE TABLE II (PAGE 75) FOR PANEL MOUNT PART NUMBER
H-58P Panel Mount
H-65P Panel Mount
H-83P Panel Mount
1-1/4 Inch Rectangular
Multiturn Modules
1/2 Inch Square
Multiturn Models
Adapter for Models 3005 AND 3006
The H-83P Adapter is used with Models
3005 (page 69) and 3006 (page 9). Order
separately and simply snap fit the trim-
mer in the plastic case. The H-83P with
lock-washer and mounting nut is avail-
able in 50-piece lots.
HEX NUT AND
LOCKWASHER
7.62
(.300)
10.31
(.406)
MAX.
4.06
(.160)
ADJ. SLOT
.243
(.010)
.064
BUSHING
10-32 UNF-2A
THD.
LONG
WIDE
DEEP
(.003)
.064
7.95
(.313)
OPT. BEND
DOWN ANTI-
ROTATION TAB
(.003)
33.35
(1.31)
6.35
(.250)
6.35
(.250)
13.97
(.550)
BUSHING
10-32
NF-2 THD
22.10
(.870)
7.62
(.300)
14.99
(.590)
5/16-32
UNEF
THREAD
5.54
(.218)
11.43
(.450)
1.52
(.060)
3.30
(.130)
10.0
(.394)
TO
3.30
PANEL
(0.13)
MAX.
ADJ. SHAFT
RECESSED 5/16
PANEL LAYOUT
ADJ. SLOT
.200
(.008)
= 7 DRILL
9.53
(.375)
10.16
(.400)
2.54
(.100)
.635
LONG
WIDE
DEEP
(.250)
.762
5.94
(.234)
9.53
(.375)
(.030 )
.132 OPTIONAL FOR
(.005) ANTI-ROTATION NUB
NOTES:
NOTES:
NOTES:
1. PROVIDED WITH LOCKWASHER AND MOUNTING
NUT.
1. PROVIDED WITH LOCKWASHER AND MOUNTING
NUT.
1. DRAWINGS SHOWN WITH TRIMMER. ORDER PART
SEPARATELY
.194
2. RECOMMEND PANEL HOLES. #10 DRILL
(.008)
2. DRAWINGS SHOWN WITH TRIMMER. ORDER PART
SEPARATELY
*SPECIFY H82 IF PANEL SEAL IS REQUIRED.
74
Specifications are subject to change without notice.
Customer Installed Panel Mount
3/8 Inch Square Multiturn Models
H-114P/115P/116P Panel Mount
TABLE I
FACTORY INSTALLED PANEL MOUNTS
STANDARD PART NO.
PART NO. WITH PANEL MOUNT
6.10
(.240)
3005P-1-(RC)
3005P-1-(RC) Z
3.05
(.120)
3006P,Y, or W-1-(RC)
3009P or Y-1-(RC)
3057L,J,P, or Y-1-(RC)
3059L,J,P, or Y-1-(RC)
3250L or W-1-(RC)
3252L or W-1-(RC)
3290 H or W-1-(RC)
3292L,W, or X-1-(RC)
3006P,Y, or W-1-(RC) Z
3009P or Y-1-(RC) Z
3057L,J,P, or Y-1-(RC) M
3059L,J,P, or Y-1-(RC) M
3250L or W-1-(RC) M
3252L or W-1-(RC) M
3290H or W-1-(RC) M
3292L,W, or X-1-(RC) M
ADJ. SLOT
.243
(.010)
.064
BUSHING
10-32 UNF-2A
THD.
LONG
WIDE
DEEP
(.003)
.064
OPT. BEND
DOWN ANTI-
(.003)
ROTATION TAB
11.43
(.450)
(H-115P)
(H-116P)
6.35
(.250)
10.92
(.430)
(H-114P)
TABLE II
RETRO-FIT PANEL MOUNTS FOR INSTALLATION BY CUSTOMER
11.68
(.460)
STANDARD PART NO.
3005P-1-(RC)
ORDER PANEL MOUNT PART NO.
H-83P
.826 ± .038
(.033 ± .002)
3006P,Y, or W-1-(RC)
3057L,J,P, or Y-1-(RC)
3059L,J,P, or Y-1-(RC)
3250L, W, X-(RC)
3252L or W-1-(RC)
3252X-1-(RC)
H-83P
3.30
PANEL
(0.13)
MAX.
H-58P* SCREW ASSEMBLY
H-58P* SCREW ASSEMBLY
H-65P-1*
PANEL LAYOUT
H-65P-3*
.200
(.008)
= 7 DRILL
7.37
(.290)
H-65P-5*
3290 H or W-1-(RC)
3292L-1-(RC)
H-114P*
H-115P*
3292W OR X-1-(RC)
RT12P,Y,L
H-116P*
.132 OPTIONAL FOR
(.005) ANTI-ROTATION NUB
H-58P* SCREW ASSEMBLY
H-58P* SCREW ASSEMBLY
H-65P-1*
RJ12L,P,Y
NOTES:
RT22L,W, X, RTR22L,W, X
RJ22L,W
1. PROVIDED WITH LOCKWASHER AND MOUNTING
NUT.
H-65P-3*
2. DRAWINGS SHOWN WITH TRIMMER. ORDER PART
SEPARATELY
RJ22X
H-65P-5*
RT24W / RTR24W OR X
RJR24W OR X
H-114P*
H-116P*
*Specify H-82 if panel seal is required.
75
Specifications are subject to change without notice.
Hardware For Special Mounting Applications
H-26S Side Bracket
H-25/H-28 Stacking Straps
H-82 Panel Seal
Models 3250 and 3252
This hardware is available for special
mounting applications.
Models 3250, 3252 (H-25) and 3292
(H-28).
For all panel mounts with size 10-32
bushings.
4.83
(.190)
A
9.35
(.368)
STAINLESS STEEL
CUP WASHER
13.21
(.520)
TYP.
B
C
9.35
(.368)
7.37
(.290)
.381
(.015)
1.02
(.040)
4.57
(.180)
23.62
(.930)
4 PLCS.
12.70
(.500)
.89
(.035)
4.83
(.190)
DIMENSIONS
H-25
H-28
.236
(.093)
.363
(.143)
1.321
(.520)
.178
(.070)
.318
(.125)
1.064
(.419)
A
4.01
(.158)
RUBBER O RING
B
C
6.35
(.250)
.51
(.02)
.325
(.013)
DIA.
To be used with the following to provide
panel seal:
H-58P
THICKNESS
6.35
(.250)
2 PLCS.
H-65P-1
H-65P-3
H-65P-5
H-114P
H-115P
H-116P
15.88
(.625)
3.81
(.150)
6.35
(.250)
76
Specifications are subject to change without notice.
Features
■ Meets UL 94V-0
■ Pocket clip
■ For use on most trimmer shafts/rotors
■ Recessed end for use with extended
shafts
H-90/H-91 - Adjustment Tools
H-90
127.00
(5.00)
1.27
(.050)
STAINLESS STEEL
BLADE
BLADE - BOTH ENDS
2.03
(.080)
.406 ± .025
(.016 ± .001)
RECESSED
WIDE X
THICK
.254
(.010)
15.2 ± 2.54
(0.60 ± 0.10)
H-91*
STAINLESS STEEL
BLADE
RECESSED
1.47
.457 ± .025
(.018 ± .001)
BLADE
WIDE X
(.058)
THICK
.254
(.010)
1.40
(.055)
2.29
(.090)
.457
(.018)
BLADE
WIDE X
THICK
*H-91 RECOMMENDED FOR USE WITH TRIMMER MODELS 3224 AND 3214.
■ Wide assortment of popular trimmers
■ Convenient, easy-to-use packaging
■ Single-turn and multiturn styles
■ Many configurations in both cermet and
wirewound element types
H-800 TrimBin™ Trimmer Lab Design Kit
Select the size, shape, type of element, and method of adjust-
ment to suit your application.
A complete as s ortment of the mos t popular through-hole
trimme r s tyle s from Bourns Trimp ot is c onta ine d in one
convenient package. The kit contains 126 parts representing
50 varieties of resistances and pin styles.
■ Full line of surface mount products
■ Convenient, easy-to-use packaging
■ Single-turn, multiturn, sealed, open-frame
styles
■ Popular styles and ohmic values
H-814 Surface Mount Lab Design Kit
A complete assortment of the most popular surface mount
Als o included are complete performance parameters and
specifications for each model in the kit. Plus, a convenient
Adjustment Tool.
products from Bourns Trimpot is contained in this convenient
lab design kit. It contains 220 parts in popular styles and
resistance values to help in your design selection.
77
Specifications are subject to change without notice.
Features
■ High intensity Xenon beam
■ Two tool tip sizes
■ Red and blue/green vision aid lenses
■ Approved for hazardous location use
H-200 - Adjustment Tool with a Light
120.65
(4.75)
™
TrimBeam
Makes It Easy to See and Access
Small Electronic Components
12.7
(0.500)
DIA.
BLADE
1.52
(0.060)
Twist the Head
toTurn Light
On/Off
NARROW TOOL TIP
0.56
(0.022)
MAX.
1.02
2.80
(0.110)
DIA.
(0.040)
2.67
(0.105)
11.68
(0.460)
DIA.
0.89
(0.035)
15.75
(0.620)
38.1
(1.50)
ALIGNMENT
TOOL
INSERTS
INTO
SHROUD
12.7
(0.500)
DIA.
BLADE
2.80
(0.110)
WIDE TOOL TIP
0.56
(0.022)
MAX.
1.02
2.80
(0.110)
DIA.
COLOR DISK
DROPS INTO
LENS
(0.040)
2.67
(0.105)
11.68
(0.460)
DIA.
PULL OFF
SHROUD...
MAKE SURE
SHROUD
0.89
(0.035)
15.75
SNAPS BACK
ONTO LENS
(0.620)
37.08
TRIMBEAM
(1.46)
LENS
XENON
LAMP
MODULE
CENELEC
78
Specifications are subject to change without notice.
Mil-Spec Numbering System - Defined
High-Rel Wirewound Specification MIL-R-39015 RTR Styles
Non-Wirewound RJ Styles
This specification has a procedure for ordering, processing, and
m a rking p a rts e ntire ly d iffe re nt tha n the o the r thre e
specifications. IT DOES NOT USE THE TYPE DESIGNATION
NUMBER AS THE PART NUMBER.
MIL-R-22097
RJ 24
F
W
103
Style
Characteristic
T.C. Max.
±100PPM°C
C.R.V. Max.
Thermal Shock
Humidity
1%
1%
1%
THE NUMBER TO ORDER BY CONSISTS OF:
Shock 1%
Vibration
1. The individual specification sheet number
M39015/2 (FOR STYLE RTR22)
1%
2%
1%
2%
2%
Load Life
Low Temp.
High Temp.
Rotational Life
M39015/3 (FOR STYLE RTR24)
2. A dash number from the specification sheet table for the
resistance value
Terminal Type
Resistance Code
First Two Digits Significant
Last Digit No. Of Zeros
103 = 10,000 Ohms
M39015/2
–003 500
M39015/3
– 006 500
–004 1K
–005 2K
–006 5K
–007 10K
–008 20K
– 007 1K
– 008 2K
– 009 5K
– 010 10K
Non-Wirewound RJ R Styles - High Reliability
MIL-R-39035
RJ R24
F
W
102
P
Style
Characteristic
T.C. Max.
3. Terminal Type
±100PPM°C
C.R.V. Max.
Thermal Shock
Humidity
1%
1%
1%
1%
1%
4. Failure rate level M
M = 1%
Shock
Vibration
Load Life
% FAILURE/1,000 Hrs. — 60% Confidence
2,000 Hrs.
10,000 Hrs.
Low Temp.
High Temp.
Rotational Life
Conditioning
3%
3%
1%
3%
2%
EXAMPLES OF PART NUMBERS
1-1/2%
Terminal Type
M39015/2 — 006LM
Resistance Code
5K Term. Type L — Failure Rate M
First Two Digits Significant
Last Digit No. Of Zeros
102 = 1,000 Ohms
M39015/3 — 010XM
Failure Rate
(% Failures/1,000 Hrs. — 60% Confidence)
10K Term. Type X — Failure Rate M
M = 1.0%
P = 0.1%
R = .01%
The table on the next page shows all part numbers covered by
this specification, the conversion to the RTR type designation
number required by the supplier to manufacture the part, and
the number that will be marked on the units you receive (same
as part number ordered but with the letter "J" in front of it). The
letter "J" is a government mark and it is certification that the
parts comply with the specification.
Wirewound RT Styles
MIL-R-27208
RT24 C2
P
101
INFORMATION NOTES
Style
1. M39015/3 WAS ADDED TO THE MIL-SPEC AFTER ITS ORIGINAL RELEASE.
Characteristic
C
2
=
=
Temp. Coeff. ±50 PPM/°C
85° Rating Temp., 150° Max. Oper. Temp.
Terminal Type
Resistance Code
First Two Digits Significant
Last Digit No. Of Zeros
101 = 100 Ohms
79
Specifications are subject to change without notice.
Mil-Spec Numbering System - How To Order
Bourns High Reliability Mil-Spec Part Numbers
Terminal
Types
Failure
Rates
Order By
Process By*
Marked With
M39015/2-003(TS)(FR)
M39015/2-004(TS)(FR)
M39015/2-005(TS)(FR)
RTR22D(TS)501(FR)
RTR22D(TS)102(FR)
RTR22D(TS)202(FR)
JM39015/2-003(TS)(FR)
JM39015/2-004(TS)(FR)
JM39015/2-005(TS)(FR)
L, P, W, X
M
M39015/2-006(TS)(FR)
M39015/2-007(TS)(FR)
M39015/2-008(TS)(FR)
RTR22D(TS)502(FR)
RTR22D(TS)103(FR)
RTR22D(TS)203(FR)
JM39015/2-006(TS)(FR)
JM39015/2-007(TS)(FR)
JM39015/2-008(TS)(FR)
M39015/3-006(TS)(FR)
RTR24D(TS)501(FR)
JM39015/3-006(TS)(FR)
P, W, X
P, W, X
M
M
M39015/3-007(TS)(FR)
M39015/3-008(TS)(FR)
RTR24D(TS)102(FR)
RTR24D(TS)202(FR)
JM39015/3-007(TS)(FR)
JM39015/3-008(TS)(FR)
M39015/3-009(TS)(FR)
M39015/3-010(TS)(FR)
RTR24D(TS)502(FR)
RTR24D(TS)103(FR)
JM39015/3-009(TS)(FR)
JM39015/3-010(TS)(FR)
*May also order using this part number.
Qualified Part Numbers
Bourns reserves the right per MIL-R-39035 to substitute a higher grade temperature characteristic or failure rate (QPL) than requested.
RT/RTR22 (Commercial Model 3250)
STD.
VALUES
OHMS
RT22C2______
RTR22D______
NOMINAL
RESOLUTION
(PERCENT)
L
P
W
X
L
P
W
X
10
20
50
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
RT22C2L500
RT22C2L101
RT22C2L201
RT22C2L501
RT22C2L102
RT22C2L202
RT22C2L502
RT22C2L103
RT22C2L203
RT22C2P500
RT22C2P101
RT22C2P201
RT22C2P501
RT22C2P102
RT22C2P202
RT22C2P502
RT22C2P103
RT22C2P203
RT22C2W500
RT22C2W101
RT22C2W201
RT22C2W501
RT22C2W102
RT22C2W202
RT22C2W502
RT22C2W103
RT22C2W203
RT22C2X500
RT22C2X101
RT22C2X201
RT22C2X501
RT22C2X102
RT22C2X202
RT22C2X502
RT22C2X103
RT22C2X203
0.80
0.90
0.70
0.60
0.40
0.30
0.25
0.19
0.16
100
200
500
1K
2K
5K
10K
20K
-
RTR22DL501M
RTR22DL102M
RTR22DL202M
RTR22DL502M
RTR22DL103M
RTR22DL203M
RTR22DP501M
RTR22DP100M
RTR22DP202M
RTR22DP502M
RTR22DP103M
RTR22DP203M
RTR22DW501M RTR22DX501M
RTR22DW102M RTR22DX102M
RTR22DW202M RTR22DX202M
RTR22DW502M RTR22DX502M
RTR22DW103M RTR22DX103M
RTR22DW203M RTR22DX203M
80
Specifications are subject to change without notice.
Qualified Part Numbers
Bourns reserves the right per MIL-R-39035 to substitute a higher grade temperature characteristic or failure rate (QPL) than requested.
RT/RTR24 (Commercial Model 3290)
STD.
VALUES
OHMS
RT24C2______
W
RTR24D______
W
NOMINAL
RESOLUTION
(PERCENT)
P
X
P
X
10
20
50
100
200
500
1K
2K
5K
10K
RT24C2P100
RT24C2P200
RT24C2P500
RT24C2P101
RT24C2P201
RT24C2P501
RT24C2P102
RT24C2P202
RT24C2P502
RT24C2P103
RT24C2W100
RT24C2W200
RT24C2W500
RT24C2W101
RT24C2W201
RT24C2W501
RT24C2W102
RT24C2W202
RT24C2W502
RT24C2W103
RT24C2X100
RT24C2X200
RT24C2X500
RT24C2X101
RT24C2X201
RT24C2X501
RT24C2X102
RT24C2X202
RT24C2X502
RT24C2X103
-
-
-
-
-
-
-
-
-
-
-
-
1.11
0.93
0.62
0.60
0.54
0.42
0.33
0.26
0.20
0.17
-
-
-
RTR24DP501M
RTR24DP102M
RTR24DP202M
RTR24DP502M
RTR24DP103M
RTR24DW501M
RTR24DW102M
RTR24DW202M
RTR24DW502M
RTR24DW103M
RTR24DX501M
RTR24DX102M
RTR24DX202M
RTR24DX502M
RTR24DX103M
RT26 (Commercial Model 3260)
RJ 24 (Commercial Model 3296)
STD.
VALUES
OHMS
RT26C2______
NOMINAL
RESOLUTION
(PERCENT)
STD.
VALUES
OHMS
RJ24F______
W
W
X
P
X
10
20
50
100
200
500
1K
2K
5K
RT26C2W100
RT26C2W200
RT26C2W500
RT26C2W101
RT26C2W201
RT26C2W501
RT26C2W102
RT26C2W202
RT26C2W502
RT26C2X100
RT26C2X200
RT26C2X500
RT26C2X101
RT26C2X201
RT26C2X501
RT26C2X102
RT26C2X202
RT26C2X502
1.90
1.50
1.25
1.00
0.94
0.58
0.50
0.45
0.34
10
20
50
100
200
500
1K
2K
5K
10K
20K
25K
50K
100K
250K
500K
1 MEG
RJ24FP100
RJ24FP200
RJ24FP500
RJ24FP101
RJ24FP201
RJ24FP501
RJ24FP102
RJ24FP202
RJ24FP502
RJ24FP103
RJ24FP203
RJ24FP253
RJ24FP503
RJ24FP104
RJ24FP254
RJ24FP504
RJ24FP105
RJ24FW100
RJ24FW200
RJ24FW500
RJ24FW101
RJ24FW201
RJ24FW501
RJ24FW102
RJ24FW202
RJ24FW502
RJ24FW103
RJ24FW203
RJ24FW253
RJ24FW503
RJ24FW104
RJ24FW254
RJ24FW504
RJ24FW105
RJ24FX100
RJ24FX200
RJ24FX500
RJ24FX101
RJ24FX201
RJ24FX501
RJ24FX102
RJ24FX202
RJ24FX502
RJ24FX103
RJ24FX203
RJ24FX253
RJ24FX503
RJ24FX104
RJ24FX254
RJ24FX504
RJ24FX105
FAILURE RATE LEVEL M = 1.0%
RJ 22 (Commercial Model 3252)
STD.
VALUES
OHMS
RJ22F______
L
P
W
X
FAILURE RATE LEVEL M = 1.0%
10
20
50
100
200
500
1K
2K
5K
10K
20K
25K
50K
100K
250K
500K
1 MEG
RJ22FL100
RJ22FL200
RJ22FL500
RJ22FL101
RJ22FL201
RJ22FL501
RJ22FL102
RJ22FL202
RJ22FL502
RJ22FL103
RJ22FL203
RJ22FL253
RJ22FL503
RJ22FL104
RJ22FL254
RJ22FL504
RJ22FL105
RJ22FP100
RJ22FP200
RJ22FP500
RJ22FP101
RJ22FP201
RJ22FP501
RJ22FP102
RJ22FP202
RJ22FP502
RJ22FP103
RJ22FP203
RJ22FP253
RJ22FP503
RJ22FP104
RJ22FP254
RJ22FP504
RJ22FP105
RJ22FW100
RJ22FW200
RJ22FW500
RJ22FW101
RJ22FW201
RJ22FW501
RJ22FW102
RJ22FW202
RJ22FW502
RJ22FW103
RJ22FW203
RJ22FW253
RJ22FW503
RJ22FW104
RJ22FW254
RJ22FW504
RJ22FW105
RJ22FX100
RJ22FX200
RJ22FX500
RJ22FX101
RJ22FX201
RJ22FX501
RJ22FX102
RJ22FX202
RJ22FX502
RJ22FX103
RJ22FX203
RJ22FX253
RJ22FX503
RJ22FX104
RJ22FX254
RJ22FX504
RJ22FX105
81
Specifications are subject to change without notice.
Qualified Part Numbers
Bourns reserves the right per MIL-R-39035 to substitute a higher grade temperature characteristic or failure rate (QPL) than requested.
RJ R24 (Commercial Model 3296)
STD.
VALUES
OHMS
RJR24F______
W
P
X
10
20
50
100
200
500
1K
2K
5K
10K
20K
25K
50K
100K
250K
500K
1 MEG
RJR24FP100*
RJR24FP200*
RJR24FP500*
RJR24FP101*
RJR24FP201*
RJR24FP501*
RJR24FP102*
RJR24FP202*
RJR24FP502*
RJR24FP103*
RJR24FP203*
RJR24FP253*
RJR24FP503*
RJR24FP104*
RJR24FP254*
RJR24FP504*
RJR24FP105*
RJR24FW100*
RJR24FW200*
RJR24FW500*
RJR24FW101*
RJR24FW201*
RJR24FW501*
RJR24FW102*
RJR24FW202*
RJR24FW502*
RJR24FW103*
RJR24FW203*
RJR24FW253*
RJR24FW503*
RJR24FW104*
RJR24FW254*
RJR24FW504*
RJR24FW105*
RJR24FX100*
RJR24FX200*
RJR24FX500*
RJR24FX101*
RJR24FX201*
RJR24FX501*
RJR24FX102*
RJR24FX202*
RJR24FX502*
RJR24FX103*
RJR24FX203*
RJR24FX253*
RJR24FX503*
RJR24FX104*
RJR24FX254*
RJR24FX504*
RJR24FX105*
RJ /RJ R26 (Commercial Model 3262)
STD.
VALUES
OHMS
RJ26F______
W
RJR26F______
W
P
X
P
X
10
20
50
100
200
500
1K
2K
5K
10K
20K
25K
50K
100K
250K
500K
1 MEG
RJ26FP100
RJ26FP200
RJ26FP500
RJ26FP101
RJ26FP201
RJ26FP501
RJ26FP102
RJ26FP202
RJ26FP502
RJ26FP103
RJ26FP203
RJ26FP253
RJ26FP503
RJ26FP104
RJ26FP254
RJ26FP504
RJ26FP105
RJ26FW100
RJ26FW200
RJ26FW500
RJ26FW101
RJ26FW201
RJ26FW501
RJ26FW102
RJ26FW202
RJ26FW502
RJ26FW103
RJ26FW203
RJ26FW253
RJ26FW503
RJ26FW104
RJ26FW254
RJ26FW504
RJ26FW105
RJ26FX100
RJ26FX200
RJ26FX500
RJ26FX101
RJ26FX201
RJ26FX501
RJ26FX102
RJ26FX202
RJ26FX502
RJ26FX103
RJ26FX203
RJ26FX253
RJ26FX503
RJ26FX104
RJ26FX254
RJ26FX504
RJ26FX105
RJR26FP100*
RJR26FP200*
RJR26FP500*
RJR26FP101*
RJR26FP201*
RJR26FP501*
RJR26FP102*
RJR26FP202*
RJR26FP502*
RJR26FP103*
RJR26FP203*
RJR26FP253*
RJR26FP503*
RJR26FP104*
RJR26FP254*
RJR26FP504*
RJR26FP105*
RJR26FW100*
RJR26FW200*
RJR26FW500*
RJR26FW101*
RJR26FW201*
RJR26FW501*
RJR26FW102*
RJR26FW202*
RJR26FW502*
RJR26FW103*
RJR26FW203*
RJR26FW253*
RJR26FW503*
RJR26FW104*
RJR26FW254*
RJR26FW504*
RJR26FW105*
RJR26FX100*
RJR26FX200*
RJR26FX500*
RJR26FX101*
RJR26FX201*
RJR26FX501*
RJR26FX102*
RJR26FX202*
RJR26FX502*
RJR26FX103*
RJR26FX203*
RJR26FX253*
RJR26FX503*
RJR26FX104*
RJR26FX254*
RJR26FX504*
RJR26FX105*
*LAST LETTER IN NUMBER IS FAILURE RATE LEVEL. M = 1.0% P = 0.1% R = 0.01%
82
Specifications are subject to change without notice.
Applications/Processing Guide
HOW TO USE THIS SECTION
The Resistive Element
This Applications/Processing Guide is intended to provide
you with points to consider for designing circuits, selecting
trimmers and arranging board layouts, to achieve maximum
performance and long life for your circuits and systems. We
have also included information on steps your manufacturing
engineers can take to preserve circuit reliability.
For example, are you aware that the trimmers and other
mechanical components on your boards may face a more
extreme environment during boardwashing on your own produc-
tion line, than they ever will in use? For those trimmers that may
need to be reset, are you remembering to select and mount the
trimmers to provide easy accessibility?
Trimmers for commercial applications typically have a
resistive element made of carbon or cermet (a combination of
CERamic and METal), or of resistance wire wound on an insulat-
ed copper mandrel.
The main advantages of wirewound trimmers are their low
temperature coefficient, higher power dissipation, lower noise,
tighter resistance tolerance, and, when used as a variable resis-
tor, the excellent current-carrying capacity through the wiper due
to the lower contact resistance. Also, their long-term resistance
stability with time and temperature is slightly better than cermet.
Cermet trimmers provide a wider resistance range (10 ohms
to 5 megohms, versus a maximum of 50K ohms for wirewound).
Also, the wiper output can be set closer to the desired value
since the resistive element presents a continuous contact
surface for the wiper, as opposed to the discrete turns (resolu-
tion) of the wirewound. Other advantages with cermet are the
lower reactance in high-frequency applications, the smaller sizes
available, and the generally lower price than wirewound types.
In this section, you'll find dozens of pointers, reminders
and useful facts that will help you be more knowledgeable and
successful in using trimmers.
TRIMMER BASICS
In its most common form, a trimmer is simply a device
containing a resistive element, and a wiper, or adjustable tap,
contacting the element. The wiper can be mechanically moved
to vary the amount of voltage or resistance in the circuit. The
resistive element is usually laid out in linear or a circular
configuration:
ADJUSTMENT SCREW
RESISTIVE ELEMENT
WIPER
ADJUSTMENT ROTOR
ADJUSTMENT SCREW
RESISTIVE
ELEMENT
WIPER
WIPER
RESISTIVE ELEMENT
83
Specifications are subject to change without notice.
Soldering And Cleaning Processes
This application note is designed to provide step-by-step
processing recommendations. It covers the popular SMC
soldering processes currently in use and provides recommenda-
tions and cautions for each step. Since many variations of
temperature, time, processes, cleaning agents and board types
are found in the electronics industry, you’ll want to test and
verify your own system.
1. SOLDERING - Forced Hot Air, Convection, IR, Vapor Phase
(In-Line), Wave (Single and Dual)
2. CLEANING - Solvent, Aqueous, Semi-Aqueous, No-Clean
On the facing page are the common methods, materials and
maximum temperature/time parameters for soldering and
cleaning processes.
The process steps, recommendations and cautions are
based on Bourns Trimpot surveys of SMC users, equipment
manufacturers and materials suppliers. Also, comments
reflect results of Bourns’ testing. Our findings suggest the
following soldering and cleaning processes:
1 2 3 4 5
Solder Paste
Printing
Reflow
Adhesive
SMC
Placement
Adhesive
Cure
Flux
Application
Application
Flow (Wave)
Flow (Wave)
Flow (Wave)
GENERAL
GENERAL
GENERAL
GENERAL
GENERAL
Use the optimum
solder paste for the
pattern, printing
process, solder paste
density and solder
joint quality.
The adhesive must hold
the SM Component
(SMC) in correct
Use pick-and-place
equipment with
Use heat/time cure
method with either
convection oven or
infrared radiation.
Use the correct flux
to remove surface
oxides, prevent
reoxidation and
promote wetting.
vacuum nozzle ID size
that allows adequate
suction to pick the
SMC out of the
orientation upon place-
ment and maintain
correct trimmer position
during physical
handling before final
solder processing.
RECOMMENDED
Cure using the
temperature and
times recommended
by the adhesive
manufacturer.
embossed cavity.
RECOMMENDED
• RMA
• No-clean SRB
(Synthetic resin
based)
• OA (Organic Acid)
(See caution)
RECOMMENDED
Use Sn 63% Pb 37%
solder paste. Use 8 to
10 mil thickness for
solder paste print.
RECOMMENDED
The nozzle inside
diameter (ID) should
not exceed .100 in.
(2.54mm) to ensure
adequate suction and
part alignment.
RECOMMENDED
To assure positional
stability, place a single
dot of epoxy under the
SMC.
CAUTION
CAUTION
Use enough cure
time to assure
complete adhesive
transition from fluid
to solid.
Since solder paste
usually contains a high
percentage of activators,
you must ensure
CAUTION
Avoid highly
activated fluxes.
Consult factory before
using OA.
CAUTION
Assure parts are
placed so that all
terminals are
equidistant (<4 mils)
from the solder pads.
EPOXY
adequate cleaning to
remove all residues,
unless no-clean (low
solids) paste is used.
CAUTION
Align terminals with
solder belt direction of
travel to avoid body
shadowing effects
Stability after placement
is a direct function of
the volume of adhesive
used. Use enough epoxy
to assure stability
through the cure
during flow soldering.
process.
Avoid overflow of epoxy
to solder pad and
terminal areas.
84
Specifications are subject to change without notice.
Soldering And Cleaning Processes
SOLDERING/CLEANING METHODS
REFLOW
FLOW
Wave
Hot Air;
Infrared
Hot Air;
Infrared
Hot Air;
Infrared
Hot Air;
Infrared
Vapor
Phase
Vapor
Phase
Vapor
Phase
Vapor
Phase
Wave
Wave
Wave
Process Step
(Solvent) (Semi-Aq) (Aqueous) (No-Clean) (Solvent) (Semi-Aq) (Aqueous) (No-Clean) (Solvent) (Semi-Aq) (Aqueous) (No-Clean) Material
1. Solder Paste Printing
2. Adhesive Application
3. Component Placement
4. Adhesive Cure
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
5. Flux Application
5. Flux Application
5. Flux Application
5. Flux Application
6. Solder (Reflow)
7. Solder (Flow)
Rosin
X
Rosin
X
X
Organic Acid
X
X
Synthetic Resin Based
63/37 Sn/Pb
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
63/37 Sn/Pb
8. Wash (Solvent)
8. Wash (Semi-Aqueous)
8. Wash (Aqueous)
High Pressure Fluids
ODS Free
Terpene, Hydrocarbon Based
DI H20; Surfacant; Saponifier
(See Caution)
X
X
X
X
X
X
Max. Temp. (°C)/Time (Secs) 235/40
Min. Temp. (°C) 215
235/40
215
235/40
215
235/40
215
215/180
215
215/180
215
215/180
215
215/180
215
260/5
215
260/5
215
260/5
215
85
Specifications are subject to change without notice.
Applications/Processing Guide
TRIMMING POTENTIOMETERS AND DEFINITIONS
INPUT AND OUTPUT TERMS
The following terms and definitions have been edited from the
Industrial Standard published by the Variable Resistive Components
Institute. It is intended to encourage standardization in communica-
tion and understanding between the manufacturer and user. The
complete standard, including detailed test procedures, is available
upon request.
TOTAL APPLIED VOLTAGE: The total voltage applied between the
designated input terminals.
OUTPUT VOLTAGE: The voltage between the wiper terminal and the
designated reference point. Unless otherwise specified, the
designated reference point is the CCW terminal.
OUTPUT RATIO: The ratio of the output voltage to the designated
input reference voltage. Unless otherwise specified, the refer-
ence voltage is the total applied voltage.
GENERAL TERMS
TRIMMING POTENTIOMETER: An electrical mechanical device with
three terminals. Two terminals are connected to the ends of a
resistive element and one terminal is connected to a movable
conductive contact which slides over the element, thus allowing
the input voltage to be divided as a function of the mechanical
input. It can function as either a voltage divider or rheostat.
LOAD RESISTANCE: An external resistance as seen by the Output
Voltage (connected between the wiper terminal and the desig-
nated reference point.)
ADJ USTMENT TERMS
DIRECTION OF TRAVEL: Clockwise (CW) or counterclockwise
(CCW) rotation when viewing the adjustment end of the poten-
tiometer.
WIREWOUND TRIMMING POTENTIOMETER: A trimming poten-
tiometer characterized by a resistance element made up of
turns of wire on which the wiper contacts only a small portion of
each turn.
CW
CCW
NON-WIREWOUND TRIMMING POTENTIOMETER: A trimming
potentiometer characterized by the continuous nature of the
surface area of the resistance element to be contacted. Contact
is maintained over a continuous, unbroken path. The resistance
is achieved by using material compositions other than wire such
as carbon, conductive plastics, metal film and cermet.
GREEN
YELLOW
➂
➀
♦
➁
RED
CW ROTATION
♦
MECHANICAL TRAVEL — SOLID STOPS: The total travel of the
adjustment shaft between integral stops. Continuity must be
maintained throughout the travel.
RESISTANCE ELEMENT: A continuous, unbroken length of resistive
material without joints, bonds or welds except at the junction of
the element and the electrical terminals connected to each end
of the element, or at an intermediate point such as a center tap.
MECHANICAL TRAVEL — CLUTCHING ACTION: The total travel of
the adjustment shaft between the points where clutch actuation
begins. Continuity must be maintained throughout the travel
and during clutch actuation.
ADJUSTMENT SHAFT: The mechanical input member of a trimming
potentiometer which when actuated causes the wiper to
traverse the resistance element resulting in a change in output
voltage or resistance.
MECHANICAL TRAVEL — CONTINUOUS ROTATION: The total
travel of the adjustment shaft when the wiper movement is
unrestricted at either end of the resistive element as the adjust-
ment shaft continues to be actuated.
SINGLE-TURN ADJUSTMENT: Requires 360º or less mechanical
input to cause the wiper to traverse the total resistance element.
MULTITURN ADJUSTMENT: Requires more than 360º mechanical
adjustment to cause the wiper to traverse the total resistance
element.
ADJUSTMENT TRAVEL (ELECTRICAL): The total travel of the adjust-
ment shaft between minimum and maximum output voltages.
CONTINUITY TRAVEL: The total travel of the shaft over which elec-
trical continuity is maintained between the wiper and the resis-
tance element.
TERMINAL: An external member that provides electrical access to
the resistance element and wiper.
LEADWIRE TYPE TERMINAL: Flexible insulated conductor.
PRINTED CIRCUIT TERMINAL: Rigid uninsulated electrical conduc-
tor, suitable for printed circuit board plug-in.
ELECTRICAL AND OPERATIONAL CHARACTERISTICS
TOTAL RESISTANCE: The DC resistance between the input termi-
nals with the wiper positioned to either end stop, or in dead
band for continuous rotation potentiometers.
SOLDER LUG TERMINAL: Rigid uninsulated electrical conductor,
suitable for external lead attachment.
WIPER: The wiper is the member in contact with the resistive ele-
ment that allows the output to be varied when the adjustment
shaft is rotated.
TEST VOLTAGE
Maximum
Total Resistance, Nominal
Ohms
Test Voltage
STOP-CLUTCH: A device which allows the wiper to idle at the ends
of the resistive element without damage as the adjustment shaft
continues to be actuated in the same direction.
Non-Wirewound
Wirewound
Volts DC
Volts DC
STOP – SOLID: A positive limit to mechanical and/or electrical
adjustment.
.1 TO 1.0
1.0 to 50
50 to 100
100 to 1000
1K to 100K
Over 0.1 megohm
0.1
0.3
2.0
3.0
10
0.1
0.3
2.0
3.0
10
STACKING: The mounting of one trimming potentiometer adjacent to
or on top of another utilizing the same mounting hardware.
THEORETICAL RESOLUTION: (Wirewound only) The theoretical
measurement of sensitivity to which the output ratio may be
adjusted; the reciprocal of the number of turns of wire in resis-
tance winding expressed as a percentage.
50
—
NOTE: The test voltages should never exceed the equivalent of 10% rated power.
The minimum voltage to be used is 10 MV.
N = Total number of resistance wire turns.
1
N X 100 = Theoretical resolution percent.
86
Specifications are subject to change without notice.
Applications/Processing Guide
ABSOLUTE MINIMUM RESISTANCE: The resistance measured
between the wiper terminal and each end terminal with the
wiper positioned to give a minimum value.
TABLE II
Test Current (±20% )
Total Resistance Range
END RESISTANCE: The resistance measured between the wiper ter-
minal and an end terminal when the wiper is positioned at the
corresponding end of mechanical travel. Absolute minimum
resistance and end resistance are synonymous for continuous
rotation trimmers.
30 ma
5 ma
1 ma
200 ua
50 ua
2 = Rt = 200
200 ‹ Rt = 3K
3K ‹ Rt = 200K
200K ‹ Rt = 1 megohm
1 megohm ‹ Rt = 5 megohm
TEMPERATURE COEFFICIENT OF RESISTANCE: The unit change in
resistance per degree Celsius change from a reference temper-
ature, expressed in parts per million per degree Celsius as
follows:
EQUIVALENT NOISE RESISTANCE: Wirewound only. Any spurious
variation in the electrical output not present in the input, defined
quantitatively in terms of an equivalent parasitic, transient resis-
tance in ohms, appearing between the contact and the resistant
element when the shaft is rotated. The equivalent Noise
Resistance is defined independently of the resolution, function-
al characteristics and the total travel. The magnitude of the
Equivalent Noise Resistance is the maximum departure from a
specific reference line. The wiper of the potentiometer is
required to be excited by a specific current and moved at a
specific speed.
R2 – R1
TC = ——————— X 106
R1 (T2 – T1)
Where:
R1 = Resistance at reference temperature in ohms.
R2 = Resistance at test temperature in ohms.
T1 = Reference temperature in degrees Celsius.
T2 = Test temperature in degrees Celsius.
TEST TRIMMER
RESISTANCE-TEMPERATURE CHARACTERISTIC: The difference
between the total resistance values measured at a reference
temperature of 25ºC and the specified test temperature
expressed as a percent of the Total Resistance.
1
3
2
R2 – R1
1 ma
SCOPE
RTC = ——————— X 100
OR EQUIVALENT
DETECTOR
R1
Where:
CALIBRATION
RESISTOR
INPUT Z
R1 = Resistance at reference temperature (25ºC) in ohms.
R2 = Resistance at the test temperature in ohms.
10 X R
t
CONTACT RESISTANCE VARIATION: The apparent resistance seen
between the wiper and the resistance element when the wiper
is energized with a specified current and moved over the
adjustment travel in either direction at a constant speed. The
output variations are measured over a specified frequency
bandwidth, exclusive of the effects due to roll-on or roll-off of
the terminations and is expressed in ohms or % of total resis-
tance.
Max. deviation (volts)
.001 amps
ENR (ohms) =
CONTINUITY: Continuity is the maintenance of continuous electrical
contact between the wiper and both end terminals of the resis-
tive element.
SETTING STABILITY: The amount of change in the output voltage,
without readjustment, expressed as a percentage of the total
applied voltage.
CONSTANT
CURRENT
SOURCE
DIELECTRIC STRENGTH: The ability to withstand the application of
a specified potential of a given characteristic, between the ter-
minals and all other external conducting members such as
shaft, housing and mounting hardware without exceeding a
specified leakage current value.
NOT TO EXCEED
RATING OF Rt
BEING TESTED
3
1
Rt
▲
AC
AMPLIFIER
OR FILTER
INSULATION RESISTANCE: The resistance to a specified DC voltage
impressed between the terminals and all other external
conducting members such as shaft, housing and mounting
hardware.
2
CALIBRATION
DECADES
SEE NOTE
OSCILLOSCOPE
POWER RATING: The maximum power that a trimming potentiometer
can dissipate across the total resistive element under specified
conditions while meeting specified performance requirements.
OUTPUT DETECTOR
ROTATIONAL LIFE: The number of cycles obtainable under specified
operating conditions while remaining within specified allowable
degradation. A cycle is defined as one complete traversal of the
wiper over the resistive element in both directions.
Figure 1. Contact-resistance-variation measuring circuit
Rt = Test specimen
Output detector bandwidth: 100 cycles to 50 kilocycles
Minimum input impedance to output detector:
At least 10 times the nominal resistance being tested
LOAD LIFE: The number of hours at which a device may dissipate
rated power under specified operating conditions while remain-
ing within specified allowable degradations.
NOTE: At the calibration of the decade, terminals 1 and 2 must be
coincident. Calibration decade is to be set for the contact-resistance
variation (CRV) level of the specified nominal resistance being tested.
ADJUSTABILITY (OUTPUT RESISTANCE): The precision with which
the output resistance of a device can be set to the desired
value.
87
Specifications are subject to change without notice.
Applications/Processing Guide
Forced Hot Air Convection System — Uses a multizone forced
air convection system with heat source panels using IR or other
type heating elements. Approximately 85% of the heating is
provided by free convection to reflow solder on exposed PC
boards.
ADJUSTABILITY (OUTPUT VOLTAGE RATIO): The precision with
which the output voltage ratio of a device can be set to the
desired value.
MECHANICAL TERMS
Dual Wave System — Utilizes two parallel solder waves. The
first is a turbulent wave followed by a laminar wave. The turbu-
lent wave is for small, constricted areas, while the laminar wave
removes solder projections.
STARTING TORQUE: The maximum moment in the clockwise and
counterclockwise directions required to initiate shaft adjust-
ment anywhere in the mechanical travel.
Vapor Phase System — Provides a single-zone condensation
heat source achieved with liquid fluorinated hydrocarbons that
have been brought to the boiling point to create a saturated
vapor zone. Heat is then released by the fluid’s heat of vapor-
ization as the vapor condenses on the product.
STOP TORQUE: The maximum static moment that can be applied
to adjustment shaft at each mechanical stop for a specified
period of time without loss of continuity or mechanical damage
affecting operational characteristics.
SOLDERABILITY: The ability of the terminals to accept a uniform
coating of solder under specified conditions.
Soldering (Through-hole)
Two types of equipment are usually associated with through-
hole soldering:
WELDABILITY: The ability of materials to be welded together under
specified conditions.
Single Wave System — Provides an inclined portion of the
solder wave for the PC board to pass over. The PC board is
positioned to bring many potential solder joints in contact with
the wave simultaneously for a short time for soldering.
TERMINAL STRENGTH: The ability of the terminals to withstand
specified mechanical stresses without sustaining damage that
would affect utility of the terminals or operation of the trimming
potentiometer.
Drag System — Provides for PC boards to be dragged across
the surface of the solder pot. Soldered connections are made
during this operation.
IMMERSION SEALED: The ability of the unit to withstand submer-
sion in acceptable cleaning solutions used in normal soldering
processes without performance degradation under specified
environmental conditions.
PC Board Washing
Two types of equipment are usually associated with both SMT
and through-hole products.
TRIMMER "ABILITIES"
Pressure System — Accomplishes cleaning by directing sprays
When you are selecting components for a new design, you
typically take into account the environmental conditions that the
components will need to endure during the lifetime of the instrument
or device. Designers in the past have often overlooked the environ-
mental extremes of their own production lines, where the conditions
may be much more severe than anything encountered in actual end
use.
of water under high pressure from multiple nozzles.
Flooding System — Utilizes a combination of flooding (at
normal water pressure) and surfactant action for cleaning).
Soldering and Wash Processes
Figure 1 shows typical profiles any component may see during
a soldering and board washing operation. For details of materi-
al and process variables recommendations, see “Soldering and
Cleaning Processes”, page 76.
PROCESSABILITY
"Processability" refers to the ability of the unit to withstand the
production-line processes associated with the finishing steps on the
PC boards. Typically, both SMT and through-hole products are sub-
jected to similar PC board processing operations after preparation
for assembly. These operations can generally be summarized as
follows:
2
Flux
Solder
Pre-Heat
Top Mounted
Thermocouple
1
➤
➤
➤
➤
3
4
°C
5
Wash
Dry
Rinse
Bottom
Mounted
Thermocouple
6
Soldering (SMT)
Four types of equipment are usually associated with SMT
soldering:
Minutes
IR System — Uses a multi-zone infrared furnace with IR
elements heated to a temperature substantially above chamber
or product temperature. Energy is supplied to the product
primarily by IR radiation to reflow solder.
88
Specifications are subject to change without notice.
Applications/Processing Guide
To minimize exposure to high-pressure water during board
wash
Rate of Change of Profile
(Indicator of Level of Stability)
• Select trimmer models with pin styles that orient the
rotor seal area away from exposure to the high-pressure
water stream
7
Unstable Temp
(# of Cycles)
SETTABILITY
°C/Min.
Settability refers to the ease with which a trimmer can be set
accurately to the position that produces the desired circuit condition.
Where the requirement is for obtaining a highly accurate set-
ting the preference is for cermet — because a small incremental
adjustment in a wirewound unit does not always produce the
expected change in output as the wiper moves off one turn of wire
and onto another.
Setting accuracy is better with a multiturn unit than with a
single-turn. This is especially true when the speed of setting is also
a requirement as on a production line (Figure 2).
Minutes
SINGLE-TURN SETTABILITY (3386)
MULTITURN SETTABILITY (3299)
Figure 1.
400
300
200
MV.
Typical temperature profile for board washing
and soldering.
400
M.V.
EXPERIENCED
TECHNICIAN
EXPERIENCED
TECHNICIAN
Critical profile parameters
1
2
3
4
5
6
7
Temperature Shock (°C)
Maximum Temperature (°C)
400
M.V.
Temperature Exposure (Minimum)
Temperature Gradient (°C)
500
Temperature Shock Decrease in Water (°C)
Temperature Shock Decrease in Water & Air Pressure (°C)
Unstable Temperature (see next page)
400
MV.
LESS EXPERIENCED
TECHNICIAN
LESS EXPERIENCED
TECHNICIAN
0
1.7 3.4 5.1 6.8 8.5 10.2
SEC.
0
1.7 3.4 5.1 6.8 8.5 10.2
SEC.
General Guidelines for Guarding Against Component Damage
To minimize temperature shock
• Pre-heat boards to maximum acceptable level
• Reduce time in solder
Figure 2.
When accurate setting is required, a multiturn trimmer
can generally be set faster than a single-turn.
To avoid heating components above their maximum rated
temperature
• Use lowest acceptable solder temperature
• Use maximum allowable conveyor speed
• Limit pre-heat temperature to maximum necessary
STABILITY
Stability refers to the ability of the trimmer to remain at the
desired setting. Environmental factors play an important role here:
stability may be affected by temperature exposure, thermal shock/
cycling, humidity, and mechanical shock or vibration.
To limit time of exposure above rated temperature
• Limit time in solder
This is not a matter of concern in most applications, since
Bourns trimmers exhibit excellent stability under all specified condi-
tions. Stability is most often a concern when cermet trimmers are
used in low current "dry" circuits (50uA amps and below). Under
these conditions the contact resistance may vary, making the wiper
appear unstable. This is most noticeable in some rheostat applica-
tions. This can be avoided by using a wirewound unit, or choosing a
cermet trimmer that has been designed for dry-circuit applications.
Bourns applications engineers can assist you on this and other
questions.
• After solder operation, cool board to wash temperature
before it enters wash
To minimize temperature difference between top and bottom of
board
• Apply pre-heat to both top and bottom
To reduce temperature shock on entering the moist environ-
ment of the wash
• Use wash/rinse temperature as near component
temperature as possible
• Extend time between solder process and wash
• Cool board after solder operation, prior to entering wash
ACCESSIBILITY
When selecting a trimmer and determining its placement on the
board, keep in mind the people who will have to use it. Bourns trim-
mers are available in a wide variety of sizes, shapes, configurations,
and placement of adjustment screws. You will usually find a unit on
which the access for adjustment will be convenient for the user.
To minimize temperature variations as component travels
through moisture
• Minimize number of wash/rinse and rinse/dry cycles
• Use heated air for air knives (to counter evaporative
cooling effect)
• Minimize difference between wash and rinse temperature
89
Specifications are subject to change without notice.
Applications/Processing Guide
Keep in mind the different requirements for accessibility
depending on whether adjustment will be done on the assembly line
or in the field; with the board uncovered, in a housing or cabinet, or
on an extender. Also consider whether production-line adjustment
will be done manually or by robotics. A Bourns applications engineer
can advise on special high-speed automatic adjustment features.
•
Smaller Finished Product Size
(addresses demand for miniaturization).
Cost, performance, quality/reliability and size — how are these
factors interrelated and how are they achieved through surface
mounting?
A by-product of SMD technology is the downsizing of compo-
nents. Size reductions range from 25% to 60% , depending upon the
device in question. High PC board densities can be achieved (more
components per square inch of real estate; surface mounted units
can also be assembled on both sides). PC board material savings
alone are substantial. When circuits diminish, external hardware and
other materials follow — further savings. Even freight charges are
decreased by lighter equipment weight and less packaging.
Surface mounted component prices are forecasted to decline,
the result of automated volume production. Volume is directly related
to component standardization. By having a few sizes to cover a large
range of electrical values and/or parameters, large quantities of a
given device can be produced at a much lower per unit cost. Selling
prices fall as volume increases. Component quality is also enhanced
by eliminating many of the variables associated with short produc-
tion runs.
Automatic SMD handling equipment, although capital intensive,
is the single-most effective way to reduce labor costs and increase
yields. Typical "pick and place" machines can assemble compo-
nents 8 to 10 times faster than human assemblers, with virtually no
mistakes. Major direct labor reductions are obvious. The combina-
tion of improved component quality and "mistake-free" component
placement further decreases costs by eliminating the normal rework
of auto-inserted boards.
USABILITY
In selecting a trimmer for a specific application, it's important to
be aware that the catalog contains a myriad of facts about each
model that can assist you in finding the most suitable choice. For
example:
Contact Resistance Variation (CRV) — Under MIL-R 22097 and
MIL-R-39035, the maximum CRV is 3% . All Bourns trimmers meet
this standard (3% or 3 ohms, whichever is greater). For applications
that demand a more rigorous standard, some Bourns trimmers are
rated at 2% or 2 ohms, and many others at 1% or 1 ohm.
Power Rating — The ambient temperature at which the trimmer
will operate has an important bearing on power rating. Power ratings
are usually specified at 70º or 85ºC; at a temperature of 150ºC, the
power rating of many trimmers is reduced to zero.
Temperature Coefficient of Resistance (T.C.) — This specifica-
tion is a measure of how much the resistance changes with a
change in temperature. In many applications a T.C. of ±250PPM/ºC
is acceptable. Typical T.C. specifications for cermet models are
±100PPM/ºC and ±50PPM/ºC for wirewound models.
RELIABILITY
The many advantages of SMD technology will force change
upon both electronic equipment manufacturers and component
suppliers alike. Worldwide competitive prices and performance
pressures will make it happen. Few electronic components will
escape its influence, trimming potentiometers being no exception.
Bourns is committed to SMD conversion, and we intend to be a
leader in surface mounted trimmer devices. Bourns surface mount
trimmers begin on page 12.
One of the greatest challenges facing American manufactur-
ers in the early '90s lies in the area of reliability — a challenge for
component manufacturers and equipment manufacturers alike.
Bourns has been on the leading edge of this effort, both in the area
of instituting new methods and technologies for achieving higher
reliability, and bringing an awareness of the need to other manufac-
turers.
GENERAL NOTES:
SURFACE MOUNTED DEVICES (SMD)
AN EMERGING TECHNOLOGY
Plated-Through Holes: (Ref. MIL-STD-275D).
5.5 Plated-through holes. The difference between the inside diame-
ter of the plated-through hole and the nominal outside diameter
of the inserted lead shall be not greater than 0.028 inch
(0.71mm) or less than 0.010 inch (0.25 mm). Unless otherwise
specified, the hole size shall be the finished plated size after
solder coating or fusing. When flat ribbon leads are mounted
through plated-through holes, the difference between the nomi-
nal thickness of the lead and the inside diameter of the plated-
through hole shall not exceed 0.028 inch (0.71 mm).
Surface mounting of electronic components represents another
significant advance in PC board processing. Many U.S. companies
have expressed an interest in SMD assembly methods to replace the
often troublesome and costly techniques now used with leaded
components. Unfortunately, for a number of reasons, this interest
has not resulted to date in a major commitment to SMD handling
equipment.
There are direct and indirect benefits associated with surface
mounting. Since the direct benefits are outgrowths of the indirect
ones, some explanation of these interrelated factors is required in
order to understand this complex, highly technical and investment
intensive subject. Further, a listing of the primary advantages will
make additional comments on Japan's SMD usage and growth
unnecessary.
In capsule format, the primary advantages (with comments on
secondary benefits) are:
•
•
•
Lower End-Equipment Cost
(positions OEM's for aggressive pricing to achieve market
penetration).
Superior Product Performance
(satisfies user requirements for improved operational
performance).
Improved Product Quality and Reliability
(creates confidence factor which easily translates to
increased demand or sales).
90
Specifications are subject to change without notice.
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