3856A-282-502AL [BOURNS]
Potentiometer, Cermet, 2W, 5000ohm, 10% +/-Tol, -150,150ppm/Cel, 3.75 Turn(s), ROHS COMPLIANT;
| 型号： | 3856A-282-502AL |
| 厂家： | 
BOURNS ELECTRONIC SOLUTIONS |
| 描述： | Potentiometer, Cermet, 2W, 5000ohm, 10% +/-Tol, -150,150ppm/Cel, 3.75 Turn(s), ROHS COMPLIANT 电阻器 |
| 文件： | 总3页 (文件大小：239K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Features
nꢀ Single-turnꢀ(3851ꢀandꢀ3852)
nꢀ Linearꢀandꢀaudioꢀtapers
nꢀ 3-3/4-turnꢀ(3856)
nꢀ Wideꢀresistanceꢀrange
nꢀ Minimalꢀdepthꢀpackage
nꢀ Goodꢀresolution
ꢀꢀ3851/3852/3856ꢀ-ꢀ3/4ꢀ”ꢀDiameterꢀPanelꢀControlꢀ
1
Initial Electrical Characteristics
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 ±20 %................................................ ±5 % or ±10 %
Independent Linearity.......................................±10 %................................................................ (A & H tapers) ±5 %
Absolute Minimum Resistance.........................2 ohms maximum.............................................. 2 ohms maximum
Effective Electrical Angle..................................(Linear tapers) 250 ° ±5 °................................... (Linear tapers) 250 ° ±5 °
(Audio tapers) 225 ° ±5 °................................... (Audio tapers) 225 ° ±5 °
Contact Resistance Variation ...........................±1 %.................................................................. ±3 % of total resistance or 3 ohms
(whichever is greater)
Dielectric Withstanding Voltage (MIL-STD-202, Method 301)
Sea Level ....................................................900 VAC minimum............................................. 900 VAC minimum
70,000 Feet.................................................350 VAC minimum............................................. 350 VAC minimum
Insulation Resistance (500 VDC) ......................1,000 megohms minimum................................. 1,000 megohms minimum
Power Rating (Voltage Limited By Power Dissipation or 350 VAC, Whichever Is Less)
+70 °C ........................................................(Linear tapers) 1 watt......................................... (Linear tapers) 2 watts
(Audio tapers) 0.5 watt ...................................... (Audio tapers) 1 watt
+125 °C.......................................................0 watt
+150 °C.................................................................................................................................. 0 watt
Theoretical Resolution......................................Essentially infinite.............................................. Essentially infinite
1
Environmental Characteristics
Operating Temperature Range .......................... -1 °C to +125 °C ..................................................-1 °C to +125 °C
Storage Temperature Range.............................. -65 °C to +125 °C ................................................-65 °C to +150 °C
Temperature Coefficient Over
Storage Temperature Range............................ ±1,000 ppm/°C.....................................................±150 ppm/°C
Vibration............................................................. 20 G......................................................................20 G
Total Resistance Shift................................... ±2 % maximum....................................................±2 % maximum
Voltage Ratio Shift........................................ ±5 % maximum....................................................±6 % maximum
Shock................................................................. 100 G....................................................................100 G
Total Resistance Shift................................... ±2 % maximum....................................................±2 % maximum
Voltage Ratio Shift........................................ ±5 % maximum....................................................±6 % maximum
Load Life ............................................................ 1,000 hours ..........................................................1,000 hours
Total Resistance Shift................................... ±10 % maximum..................................................±3 % maximum
Rotational Life (No Load) ................................... 100,000 cycles.....................................................50,000 cycles
Total Resistance Shift................................... ±15 % TRS maximum .........................................±5 % or 5 ohms TRS whichever is greater
Contact Resistance Variation....................... ±3 %.....................................................................±3 %
Moisture Resistance (MIL-STD-202, Method 103, Condition B)
Total Resistance Shift................................... ±10 % maximum .................................................±2 % maximum
IP Rating............................................................. IP 40 .....................................................................IP 40
1
Mechanical Characteristics
Stop Strength
3851 & 3852 .................................................................................................................................................................. 56.5 N-cm (5 lb.-in.)
3856..................................................................................................................................................................................... Continuous turn
Mechanical Angle.............................................................................................................................................280 ° ±5 ° / 3856 – 1350 ° ±50 °
Torque (Starting and Running)......................................................................................A & B bushings 0.35 to 4.23 N-cm (0.05 to 6.0 oz.-in.)
C & E bushings 0.21 to 4.23 N-cm (0.3 to 6.0 oz.-in.)
3856 – 0.11 to 2.12 N-cm (0.15 to 3.0 oz.-in.)
Mounting (Torque on Bushing)...........................................................................................................1.7-2.0 N-m (15-18 lb.-in.) maximum
Weight (Single Section)....................................................................................................................................................... 30 grams maximum
Terminals................................................................................................................................................Printed circuit terminals or solder lugs
Soldering Condition .......................................... Recommended hand soldering using Sn95/Ag5 no clean solder, 0.025 ” wire diameter.
Maximum temperature 399 °C (750 °F) for 3 seconds. No wash process to be used with no clean flux.
Part can be wave soldered at 260 °C (500 °F) for 5 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.
1
At room ambient: +25 °C nominal and 50 %
relative humidity nominal, except as noted.
*RoHSꢀDirectiveꢀ2002/95/ECꢀJan.ꢀ27,ꢀ2003ꢀincludingꢀannexꢀandꢀRoHSꢀRecastꢀ2011/65/EUꢀJuneꢀ8,ꢀ2011.ꢀ
Specificationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.ꢀTheꢀdeviceꢀcharacteristicsꢀandꢀparametersꢀinꢀthisꢀdataꢀsheetꢀ
canꢀandꢀdoꢀvaryꢀinꢀdifferentꢀapplicationsꢀandꢀactualꢀdeviceꢀperformanceꢀmayꢀvaryꢀoverꢀtime.
Usersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀspecificꢀapplications.
3851/3852/3856ꢀ-ꢀ3/4ꢀ”ꢀDiameterꢀPanelꢀControlꢀ
ꢀ
Product Dimensions
ꢀ15.88
ꢀꢀ(5/8)ꢀ
ꢀ12.7,ꢀ22.23
ꢀꢀꢀ(1/2,ꢀ7/8)ꢀ
STD.
12.7
(.50)
STD.
9.53
(.38)
SOLDERꢀLUGꢀTERMINAL
6.35
(.25)ꢀ
6.35ꢀ ꢀ.76
(.25ꢀ ꢀ.03)
3/8-32ꢀUNEF
2.79
TYP.
6.35ꢀ ꢀ.76
(.25ꢀ ꢀ.03)
3/8-32ꢀUNEF
.25
.38
(.015)
.25
(.010)
(.110)
.38
(.015)
45ꢀ°ꢀXꢀꢀ
45ꢀ°ꢀXꢀꢀ
3ꢀPLCS.
(.010)
CHAMFER
CHAMFER
12.7
(.50)
EACHꢀTERMINALꢀLUG
WILLꢀACCOMMODATE
ꢀꢀ.81ꢀ
2
19.05
(.75)ꢀ
DIA.
1
3
19.05
(.75)
ꢀDIA.
2ꢀPLCS.
6.35+.03/-.05
(.250+.001/-.002)ꢀ
6.35+.03/-.05
(.250+.001/-.002)ꢀ
DIA.
DIA.
ꢀ
ꢀꢀ
DIAMETER
THREE
(.032)
14.02ꢀ±ꢀ.25
(.552ꢀ±ꢀ.010)
(.812ꢀDIA.ꢀAWG
STRANDED)ꢀWIRES.
SHAFTꢀSLOT
SHAFTꢀSLOT
1.19ꢀꢀ
(.047)ꢀ
WIDEꢀX
12.19
(.48)ꢀ
1.19ꢀ
.047
12.19
(.480)ꢀ
WIDEꢀX
DIA.
DIA.
1.60+.38/-.00
STANDARD
PRINTEDꢀCIRCUITꢀTERMINAL
6.35
1.02
1.60+.38/.00
(.063+.015/-.000)
DEEP
(.063+.015/-.000)
DEEP
5.49
16.00
(.63)
OPTIONALꢀFLAT
1.52
TYP.
TYP.
(.040)ꢀ
(.216)
LONGꢀOR
(.25)ꢀ
28.58
(1-1/8)
FRONTꢀBUSHINGꢀFORꢀSHAFTSꢀUNDERꢀ
(.06)
15.88ꢀ ꢀ.38
(.625ꢀ ꢀ.015)
6.35
(.25)
2
1
3
ꢀꢀ12.7
ꢀ(1/2)ꢀ
ꢀ9.53,ꢀ22.23
ꢀꢀꢀ(3/8,ꢀ7/8)ꢀ
STD.
STD.
9.53
(.38)
6.35
(.25)
1/4-32ꢀUNEF
.25
1/4-32ꢀUNEF
.25
6.35ꢀ ꢀ.76
(.25ꢀ ꢀ.03)
SUGGESTEDꢀBOARDꢀLAYOUT
6.35ꢀ ꢀ.76
(.25ꢀ ꢀ.03)
.38
(.015)
6.35
6.35
.38
(.015)
45ꢀ°ꢀXꢀꢀ
45ꢀ°ꢀXꢀꢀ
(.010)
(.010)
(.25)ꢀ
(.25)ꢀ
CHAMFER
CHAMFER
2.36
(.094)
1.40
19.05
(.75)
DIA.ꢀ
DIA.
(.055)ꢀ
19.05
(.75)
DIA.ꢀ
3.18ꢀ ꢀ.025
(.125ꢀ ꢀ.001)ꢀ
3.18ꢀ ꢀ0.25
(.125ꢀ ꢀ.001)ꢀ
DIA.
DIA.
A,ꢀBꢀ&ꢀHꢀBUSHINGS
12.19
(.480)ꢀ
12.19
(.480)ꢀ
DIA.
9.53
9.53
SHAFTꢀSLOT
DIA.
SHAFTꢀSLOT
.79ꢀꢀ
(.031)
ꢀ.76ꢀꢀ
(.375)
(.375)
WIDEꢀXꢀ
DEEP
(.03)
.79ꢀꢀ
.76ꢀꢀꢀꢀ
DEEP
WIDEꢀXꢀꢀ
(.03)
(.031)
.25
(.010)
OPTIONALꢀFLAT
1.52
(.06)
LONGꢀOR
15.88
(5/8)
FRONTꢀBUSHINGꢀFORꢀSHAFTSꢀUNDERꢀ
3.18
(.125)
6.73
(.265)ꢀ
3.18
9.91
(.390)ꢀ
DIA.
DIA.
DIA.
(.125)ꢀ
DIA.
SHAFTꢀSLOT
ALIGNMENT
ATꢀCCW
FLAT
ALIGNMENT
ATꢀCCW
12.7
(.50)
12.7
(.50)
9.53
(.38)
9.53
(.38)
.38
(.015)
6.35+.03/-.05
.38
(.015)
6.35+.03/-.05
ꢀDIA.
(.250+.001/-.002)ꢀ
DIA.
6.35ꢀ ꢀ.76
(.25ꢀ ꢀ.03)
50ꢀ°ꢀ ꢀ10ꢀ°
50ꢀ°ꢀ ꢀ10ꢀ°
6.35ꢀ ꢀ.76
(.250ꢀ ꢀ.03)ꢀ
3/8-32ꢀUNEF.
.79
(.031)
(.25ꢀ ꢀ.03)
3/8-32ꢀUNEF
1.19
(.047)
2.67ꢀ ꢀ.381
19.05
(.75)
ꢀDIA.
19.05
(.75)
ꢀDIA.
(.105ꢀ ꢀ.015)ꢀ
ANTI-ROTATIONꢀLUG
PROJECTSꢀ1/16ꢀINCH
ABOVEꢀMOUNTINGꢀFACE.
12.19
(.480)ꢀ
12.19
(.480)ꢀ
DIA.
3.18ꢀ ꢀ.03
DIA.
.25
(.010)
CHAMFER
45ꢀ°ꢀXꢀꢀ
(.125ꢀ ꢀ.003)
TOLERANCESꢀEXCEPTꢀASꢀNOTED:
.127ꢀꢀ .38
DIA.
.79ꢀ ꢀ.25
(.031ꢀ ꢀ.010)
DECIMALS:ꢀ.XXXꢀ ꢀꢀ .XXꢀ ꢀꢀꢀ
1.60+3.81/-.000
(.005), (.015)
FRACTIONS:ꢀ ꢀ1/64
ANGLE:ꢀ ꢀ3ꢀ%
.25
(.010)
CHAMFER
45ꢀ°ꢀXꢀꢀ
(.063+.015/-.000)ꢀ
22.23
(7/8)ꢀ
DIA.
STD.
22.23
STD.
1
CCW
3
(7/8)ꢀ
ꢀ
MM
(INCHES)
DIMENSIONS:
ꢀ
2
POTENTIOMETER
Specificationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.
Theꢀdeviceꢀcharacteristicsꢀandꢀparametersꢀinꢀthisꢀdataꢀsheetꢀcanꢀandꢀdoꢀvaryꢀinꢀdifferentꢀapplicationsꢀandꢀactualꢀdeviceꢀperformanceꢀmayꢀvaryꢀoverꢀtime.
Usersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀspecificꢀapplications.
3851/3852/3856ꢀ-ꢀ3/4ꢀ”ꢀDiameterꢀPanelꢀControlꢀ
ꢀ
How To Order
3852 A
-
2
8
2
-
103 A
L
R
C
(
ESISTANCE
ODE/VALUE
IN OHMS)
RoHS IDENTIFIER
Compliant
AVAILABLE ONLY IN
SHAFT TYPE
(FMS) & DIAMETER
L
MODELS
BUSHINGS
M
odel 3851
±2
±6
±6
21
3/8 ” (9.53 mm) L X ±/8 ” (3.±8 mm) D
±/2 ” (±2.7 mm) L x ±/4 ” (6.35 mm) D
±/2 ” (±2.7 mm) L x ±/8 ” (3.±8 mm) D
5/8 ” (±5.88 mm) L X ±/4 ” (6.35 mm) D
385±, 3852
385±, 3852
385±, 3852
385±, 3852
385±, 3852
3856
C
(102)
1 K
2.5 K
5 K
A
(252)
(502)
(103)
(253)
(503)
(104)
(254)
(514)
(±15)
C, E
A, B
A, B
A
10 K
25 K
50 K
100 K
251 K
511 K
± M
28
7/8 ” (22.21 mm) L X ±/4 ” (6.35 mm) D
385±, 3852
3856
C, E
H
28
7/8 ” (22.21 mm) L X ±/8 ” (3.±8 mm) D
Consult factory for lengths not shown.
Models 3852/3856
(±1±)
(25±)
(51±)
(102)
(252)
(502)
(103)
(253)
(503)
(104)
(254)
(514)
(±15)
±11
251
511
BUSHING
APPLICABLE MODELS
385±, 3852, 3856
385±, 3852
1 K
A
Plain 3/8 ” (9.53 mm) D x 3/8 ” (9.53 mm) L
Locking 3/8 ” (9.53 mm) D x ±/2 ” (±2.7 mm) L
Plain ±/4 ” (6.35 mm) D x ±/4 ” (6.35 mm) L
Locking ±/4 ” (6.35 mm) D x ±/2 ” (±2.7 mm) L
Plain 3/8 ” (9.53 mm) D x 3/8 ” (9.53 mm) L
2.5 K
5 K
B
C
E
10 K
25 K
50 K
100 K
251 K
511 K
± M
385±, 3852
385±, 3852
H
3856 (3.±8 mm D Shaft)
MODEL
385± 3/4 ” (±9.15 mm) D Single-Turn C.P.
3852 3/4 ” (±9.15 mm) D Single-Turn Cermet
3856 3/4 ” (±9.15 mm) D 3-3/4-Turn Cermet
ELEMENT
APPLICABLE
MODELS
TERMINAL STYLE AND
TAPER/TOLERANCE
SHAFT TYPE
A
Linear ±±1 ꢀ
Linear ±21 ꢀ
Audio CW ±±1 ꢀ
Audio CW ±21 ꢀ
Linear ±±1 ꢀ
Audio CCW ±±1 ꢀ
Audio CCW ±21 ꢀ
Linear ±5 ꢀ
3852, 3856
±
2
3
5
6
7
Solder Lugs, Plain End
B
C
D
E
385±
Solder Lugs, Slotted End
Solder Lugs, Flatted Shaft
PC Pins, Plain End
3852, 3856
385±
Boldface features are Bourns standard options.
All others are available with higher minimum order
quantities.
385±
PC Pins, Slotted End
PC Pins, Flatted Shaft
F
3852, 3856
385±
G
H
3852, 3856
REV. 02/16
Specificationsꢀareꢀsubjectꢀtoꢀchangeꢀwithoutꢀnotice.
Theꢀdeviceꢀcharacteristicsꢀandꢀparametersꢀinꢀthisꢀdataꢀsheetꢀcanꢀandꢀdoꢀvaryꢀinꢀdifferentꢀapplicationsꢀandꢀactualꢀdeviceꢀperformanceꢀmayꢀvaryꢀoverꢀtime.
Usersꢀshouldꢀverifyꢀactualꢀdeviceꢀperformanceꢀinꢀtheirꢀspecificꢀapplications.
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