3851E163502CL 概述
Diameter Panel Control 直径控制面板
3851E163502CL 数据手册
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Features
■ Single-turn (3851 and 3852)
■ Linear and audio tapers
■ 3-3/4-turn (3856)
■ Wide resistance range
■ Minimal depth package
■ Good resolution
3851/3852/3856 - 3/4 ” Diameter Panel Control
Initial Electrical Characteristics1
3851
3852/3856
Cermet Element
Conductive Plastic Element
Standard Resistance Range
Linear Tapers (A, B, E, and H) ............................................................1 K to 1 megohm.........................................100 ohms to 1 megohm
Audio Tapers (C, D, F, and G) .............................................................1 K to 1 megohm.........................................1 K ohms to 1 megohm
Total Resistance Tolerance.....................................................................±10 ꢀ or ±ꢁ0 ꢀ..........................................±± ꢀ or ±10 ꢀ
Independent Linearity.............................................................................±10 ꢀ..........................................................(A & H tapers) ±± ꢀ
Absolute Minimum Resistance...............................................................ꢁ ohms maximum........................................ ꢁ ohms maximum
Effective Electrical Angle ........................................................................ꢁ±0 ° ±± °.....................................................ꢁ±0 ° ±± °
Contact Resistance Variation .................................................................±1 ꢀ............................................................±ꢂ ꢀ of total resistance or ꢂ ohms
(whichever is greater)
Dielectric Withstanding Voltage (MIL-STD-ꢁ0ꢁ, Method ꢂ01)
Sea Level............................................................................................900 VAC minimum.......................................900 VAC minimum
70,000 Feet ........................................................................................ꢂ±0 VAC minimum.......................................ꢂ±0 VAC minimum
Insulation Resistance (±00 VDC) ............................................................1,000 megohms minimum...........................1,000 megohms minimum
Power Rating (Voltage Limited By Power Dissipation or ꢂ±0 VAC, Whichever Is Less)
+70 °C ...............................................................................................(Linear tapers) 1 watt...................................(Linear tapers) ꢁ watts
(Audio tapers) 0.± watt
(Audio tapers) 1 watt
+1ꢁ± °C ..............................................................................................0 watt
+1±0 °C ...................................................................................................................................................................0 watt
Theoretical Resolution............................................................................Essentially infinite........................................Essentially infinite
Environmental Characteristics1
Operating Temperature Range ...............................................................-1 °C to +1ꢁ± °C..........................................-1 °C to +1ꢁ± °C
Storage Temperature Range...................................................................-6± °C to +1ꢁ± °C........................................-6± °C to +1±0 °C
Temperature Coefficient Over Storage Temperature Range...................±1,000 ppmꢃ°C............................................±1±0 ppmꢃ°C
Vibration..................................................................................................ꢁ0 G.............................................................ꢁ0 G
Total Resistance Shift.........................................................................±ꢁ ꢀ maximum...........................................±ꢁ ꢀ maximum
Voltage Ratio Shift..............................................................................±± ꢀ maximum...........................................±6 ꢀ maximum
Shock......................................................................................................100 G...........................................................100 G
Total Resistance Shift.........................................................................±ꢁ ꢀ maximum...........................................±ꢁ ꢀ maximum
Voltage Ratio Shift..............................................................................±± ꢀ maximum...........................................±6 ꢀ maximum
Load Life.................................................................................................1,000 hours .................................................1,000 hours
Total Resistance Shift.........................................................................±10 ꢀ maximum.........................................±ꢂ ꢀ maximum
Rotational Life (No Load)........................................................................100,000 cycles ............................................±0,000 cycles
Total Resistance Shift.........................................................................±1± ꢀ TRS maximum ................................±± ꢀ or ± ohms TRS whichever is greater
Contact Resistance Variation.............................................................±ꢂ ꢀ............................................................±ꢂ ꢀ
Moisture Resistance (MIL-STD-ꢁ0ꢁ, Method 10ꢂ, Condition B)
Total Resistance Shift.........................................................................±10 ꢀ maximum ........................................±ꢁ ꢀ maximum
IP Rating.................................................................................................IP 40 ............................................................IP 40
Mechanical Characteristics1
Stop Strength ..............................................................................................................................................................................................±6.± N-cm (± lb.-in.)
Mechanical Angle ....................................................................................................................................................................ꢁ80 ° ±± ° ꢃ ꢂ8±6 ꢄ 1ꢂ±0 ° ±±0 °
Torque (Starting and Running) ..............................................................................................................A & B bushings 0.ꢂ± to 4.ꢁꢂ N-cm (0.0± to 6.0 oz.-in.)
C & E bushings 0.ꢁ1 to 4.ꢁꢂ N-cm (0.ꢂ to 6.0 oz.-in.)
ꢂ8±6 ꢄ 0.11 to ꢁ.1ꢁ N-cm (0.1± to ꢂ.0 oz.-in.)
Mounting (Torque on Bushing)......................................................................................................................................1.7-ꢁ.0 N-m (1±-18 lb.-in.) maximum
Weight (Single Section) ................................................................................................................................................................................ꢂ0 grams maximum
Terminals ........................................................................................................................................................................Printed circuit terminals or solder lugs
Soldering Condition ......................................................................Recommended hand soldering using Sn9±ꢃAg± no clean solder, 0.0ꢁ± ” wire diameter.
Maximum temperature ꢂ99 °C (7±0 °F) for ꢂ seconds. No wash process to be used with no clean flux.
Part can be wave soldered at ꢁ60 °C (±00 °F) for ± seconds, no wash process with no clean flux.
Marking....................................................................................................Manufacturer’s trademark, wiring diagram, resistance, date code, and part number
Ganging (Multiple Section Potentiometers) ......................................................................................................................................................1 cup maximum
Hardware ............................................One lockwasher and one mounting nut is shipped with each potentiometer, except where noted in the part number.
1AT ROOM AMBIENT: +25 °C NOMINAL AND 50 % RELATIVE HUMIDITY NOMINAL, EXCEPT AS NOTED.
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
3851/3852/3856 - 3/4 ” Diameter Panel Control
Product Dimensions
3851B/3852B
3851A/3852A
Terminal Configuration
15.88
(5/8)
12.7, 22.23
(1/2, 7/8)
STD.
12.7
STD.
9.53
SOLDER LUG TERMINAL
(.50)
(.38)
6.35
(.25)
6.35 ± .76
3/8-32 UNEF
2.79
(.110)
3 PLCS.
TYP.
6.35 ± .76
3/8-32 UNEF
.25
.38
(.015)
(.25 ± .03)
.25
(.010)
.38
(.015)
(.25 ± .03)
45 ° X
45 ° X
(.010)
CHAMFER
CHAMFER
12.7
(.50)
EACH TERMINAL LUG
WILL ACCOMMODATE
.81
2
19.05
(.75)
DIA.
1
3
19.05
(.75)
DIA.
2 PLCS.
6.35+.03/-.05
(.250+.001/-.002)
6.35+.03/-.05
(.250+.001/-.002)
DIA.
DIA.
THREE
DIAMETER
(.032)
14.02 ± .25
(.552 ± .010)
(.812 DIA. AWG
STRANDED) WIRES.
SHAFT SLOT
SHAFT SLOT
1.19
(.047)
WIDE X
12.19
(.48)
1.19
.047
12.19
(.480)
WIDE X
DIA.
DIA.
1.60+.38/-.00
1.60+.38/.00
(.063+.015/-.000)
DEEP
(.063+.015/-.000)
DEEP
STANDARD
PRINTED CIRCUIT TERMINAL
6.35
1.02
5.49
16.00
(.63)
OPTIONAL FLAT
1.52
(.216)
LONG OR
28.58
(1-1/8)
FRONT BUSHING FOR SHAFTS UNDER
TYP.
TYP.
(.06)
(.25)
(.040)
15.88 ± .38
(.625 ± .015)
6.35
(.25)
2
1
3
3851C/3852C
3851E/3852E
12.7
(1/2)
9.53, 22.23
(3/8, 7/8)
STD.
STD.
9.53
6.35
(.25)
(.38)
1/4-32 UNEF
.25
1/4-32 UNEF
.25
6.35 ± .76
6.35 ± .76
(.25 ± .03)
.38
(.015)
(.25 ± .03)
.38
(.015)
45 ° X
45 ° X
(.010)
SUGGESTED BOARD LAYOUT
(.010)
CHAMFER
CHAMFER
6.35
(.25)
6.35
(.25)
2.36
19.05
(.75)
DIA.
(.094)
19.05
(.75)
DIA.
1.40
(.055)
DIA.
3.18 ± .025
(.125 ± .001)
3.18 ± 0.25
(.125 ± .001)
DIA.
DIA.
3851/3852/3856
12.19
(.480)
12.19
(.480)
DIA.
SHAFT SLOT
DIA.
A, B & H BUSHINGS
SHAFT SLOT
.79
(.031)
.76
WIDE X
DEEP
(.03)
9.53
(.375)
9.53
(.375)
.79
.76
(.031)
WIDE X
DEEP
(.03)
.25
(.010)
OPTIONAL FLAT
1.52
(.06)
LONG OR
15.88
(5/8)
FRONT BUSHING FOR SHAFTS UNDER
3.18
(.125)
6.73
(.265)
3.18
(.125)
10.31
(.406)
DIA.
DIA.
DIA.
DIA.
Shaft End Detail
3850 Family
3856A
3856H
12.7
(.50)
12.7
(.50)
9.53
(.38)
9.53
(.38)
SHAFT SLOT
ALIGNMENT
AT CCW
FLAT
ALIGNMENT
AT CCW
.38
(.015)
6.35+.03/-.05
(.250+.001/-.002)
.38
(.015)
6.35+.03/-.05
(.250 ± .03)
DIA.
DIA.
6.35 ± .76
(.25 ± .03)
6.35 ± .76
(.25 ± .03)
3/8-32 UNEF.
.79
(.031)
3/8-32 UNEF
50 ° ± 10 °
50 ° ± 10 °
1.19
(.047)
19.05
(.75)
DIA.
19.05
(.75)
DIA.
12.19
(.480)
12.19
(.480)
DIA.
3.18 ± .03
DIA.
.25
(.010)
CHAMFER
45 ° X
(.125 ± .003)
TOLERANCES EXCEPT AS NOTED:
DIA.
.79 ± .25
(.031 ± .010)
22.23
STD.
(7/8)
.127
(.005),
.38
(.015)
DECIMALS: .XXX ±
.XX ±
1.60+3.81/-.000
.25
(.010)
CHAMFER
45 ° X
(.063+.015/-.000)
FRACTIONS: ± 1/64
ANGLE: ± 3 %
DIA.
22.23
STD.
(7/8)
MM
(INCHES)
DIMENSIONS ARE:
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
3851/3852/3856 - 3/4 ” Diameter Panel Control
How To Order
3852
A
-
28
2
-
103
A
L
AVAILABLE ONLY IN
MODELS BUSHINGS
12 3/8 ” (9.53 mm) L X 1/8 ” (3.18 mm) D ꢂ8±1, ꢂ8±ꢁ
16 1ꢃꢁ ” (1ꢁ.7 mm) L x 1ꢃ4 ” (6.ꢂ± mm) D ꢂ8±1, ꢂ8±ꢁ
RESISTANCE
SHAFT TYPE
(FMS) & DIAMETER
CODE/VALUE
(IN OHMS)
RoHS IDENTIFIER
L
Compliant
C
Model 3851
Blank Non-Compliant
A
(102)
(ꢁ±ꢁ)
(502)
(103)
(ꢁ±ꢂ)
(503)
(104)
(ꢁ±4)
(±04)
(10±)
1 K
ꢁ.± K
5 K
10 K
ꢁ± K
50 K
100 K
ꢁ±0 K
±00 K
1 M
16 1/2 ” (12.7 mm) L x 1/8 ” (3.18 mm) D ꢂ8±1, ꢂ8±ꢁ
20 5/8 ” (15.88 mm) L X 1/4 ” (6.35 mm) D ꢂ8±1, ꢂ8±ꢁ
3851, 3852
C, E
A, B
A, B
A
28 7/8 ” (22.20 mm) L X 1/4 ” (6.35 mm) D
ꢂ8±6
ꢂ8±1, ꢂ8±ꢁ
ꢂ8±6
C, E
H
ꢁ8 7ꢃ8 ” (ꢁꢁ.ꢁ0 mm) L X 1ꢃ8 ” (ꢂ.18 mm) D
Consult factory for lengths not shown.
Models 3852/3856
(101)
(ꢁ±1)
(±01)
(102)
(252)
(502)
(103)
(ꢁ±ꢂ)
(503)
(104)
(ꢁ±4)
(±04)
(10±)
100
ꢁ±0
±00
1 K
2.5 K
5 K
10 K
ꢁ± K
50 K
100 K
ꢁ±0 K
±00 K
1 M
BUSHING
Plain 3/8 ” (9.53 mm) D x 3/8 ” (9.53 mm) L
APPLICABLE MODELS
ꢂ8±1, ꢂ8±ꢁ, ꢂ8±6
A
B
C
E
Locking ꢂꢃ8 ” (9.±ꢂ mm) D x 1ꢃꢁ ” (1ꢁ.7 mm) L ꢂ8±1, ꢂ8±ꢁ
Plain 1/4 ” (6.35 mm) D x 1/4 ” (6.35 mm) L ꢂ8±1, ꢂ8±ꢁ
Locking 1ꢃ4 ” (6.ꢂ± mm) D x 1ꢃꢁ ” (1ꢁ.7 mm) L ꢂ8±1, ꢂ8±ꢁ
H
Plain ꢂꢃ8 ” (9.±ꢂ mm) D x ꢂꢃ8 ” (9.±ꢂ mm) L
ꢂ8±6 (ꢂ.18 mm D Shaft)
MODEL
ELEMENT
TERMINAL STYLE AND
SHAFT TYPE
APPLICABLE MODELS
TAPER/TOLERANCE
Linear ±10 %
ꢂ8±1 ꢂꢃ4 ” (19.0± mm) D Single-Turn C.P.
3852 3/4 ” (19.05 mm) D Single-Turn Cermet
ꢂ8±6 ꢂꢃ4 ” (19.0± mm) D ꢂ-ꢂꢃ4-Turn Cermet
A
B
C
D
E
F
G
H
ꢂ8±ꢁ, ꢂ8±6
ꢂ8±1
ꢂ8±ꢁ, ꢂ8±6
ꢂ8±1
ꢂ8±1
ꢂ8±ꢁ, ꢂ8±6
ꢂ8±1
1
2
ꢂ
±
6
7
Solder Lugs, Plain End
Solder Lugs, Slotted End
Solder Lugs, Flatted Shaft
PC Pins, Plain End
PC Pins, Slotted End
PC Pins, Flatted Shaft
Linear ±ꢁ0 ꢀ
Audio CW ±10 ꢀ
Audio CW ±ꢁ0 ꢀ
Linear ±10 ꢀ
Audio CCW ±10 ꢀ
Audio CCW ±ꢁ0 ꢀ
Linear ±± ꢀ
Boldface features are Bourns standard
options. All others are available with higher
minimum order quantities.
ꢂ8±ꢁ, ꢂ8±6
REV. 10/08
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
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