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3057J-1-203M Datasheet, PDF (1/1 Pages) Bourns Electronic Solutions – 3057 - Trimpot Trimming Potentiometer
*RoHS COMPLIANT
Features
■ 1-1/4 ” Rectangular / Multiturn
Wirewound / Industrial / Sealed
■ Panel mount option available
■ Listed on the QPL for style RT12 per
MIL-PRF-27208
■ RoHS compliant*
■ For trimmer applications/processing
guidelines, click here
3057 - Trimpot® Trimming Potentiometer
Electrical Characteristics
Product Dimensions
Standard Resistance Range
3057L
3057Y
.................................. 10 to 50K ohms
Common Dimensions
(see standard resistance table)
Resistance Tolerance ............. ±5 % std.
(tighter tolerance available)
Absolute Minimum Resistance
.......................... 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.
Dielectric Strength
Sea Level............................. 1,500 vac
70,000 Feet ............................ 400 vac
Adjustment Travel.............22 turns nom.
Environmental Characteristics
Power Rating @ 70 °C .................. 1 watt
Power Rating @ 150 °C ................ 0 watt
31.75
(1.25)
25.4
(1.000)
3.18
(.125 )
1.47 ± .56
(.058 ± .022)
2.36
(.093)
DIA.
MTG. HOLES (2)
4.83
(.190)
ADJ. SLOT
2.92 ± .38 DIA.
(.115 ± .015)
X
.64
(.025)
WIDE
X
.79
(.031)
DEEP
6.10 TYP.
(.240)
LEADS
152.4
(6.000)
MIN.
LENGTH
8.00 ± .38
(.315 ± .015)
6.10
(.240) TYP.
1
2
3
7.62
(.300)
17.78
(.700)
6.35
(.250)
2.54
(.100)
12.70 ± .79
(.500 ± .031)
2.54
(.100)
.71 ± .03 DIA. TYP.
(.028 ± .001)
Temperature Range ... -55 °C to +150 °C
Temperature Coefficient ..... ±50 ppm/°C
Seal Test ......................85 °C Fluorinert†
(pin styles only)
Humidity .......MIL-STD-202 Method 106
96 hours
2 % ΔTR, 100 Megohms IR)
Vibration ............. 30 G (1 % ΔTR; 0.5 %
+ resolution ΔVR)
Shock ............... 100 G (1 % ΔTR; 0.5 %
+ resolution ΔVR)
Load Life.... 1,000 hours 1 watt @ 70 °C
(2 % ΔTR)
Rotational Life ..... 200 cycles (2 % ΔTR)
3057J
2.67
(.105 )
3.43 ± .38
(.135 ± .015)
3.80
(.150)
1
2
3
7.62
(.300)
6.35
(.250)
Standard Resistance Table
Resistance
(Ohms)
10
20
50
100
200
500
1,000
2,000
5,000
10,000
20,000
50,000
Resistance
Code
100
200
500
101
201
501
102
202
502
103
203
503
Nominal
Resolution
(Percent)
2.40
1.90
1.40
1.00
0.86
0.89
0.72
0.58
0.43
0.34
0.31
0.24
Physical Characteristics
Torque............................. 8.0 oz-in. max.
Mechanical Stops................. Wiper idles
17.78
(.700)
.71 ± .03 DIA. TYP.
(.028 ± .001)
Popular values listed in boldface. Special
resistances available.
Terminals ........ Solderable pins and lugs
Flexible leads ......(7 strands of 30 AWG)
2.54
(.100)
Weight ....................................... 0.10 oz.
Marking.........Manufacturer’s trademark,
3057P
How To Order
Model
3057 L - 1 - 103 M
resistance code, terminal numbers,
date code, manufacturer’s model
number and style
Wiper ............... 50 % (Actual TR) ±10 %
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
21
3
17.78
(.700)
22.86
(.900)
.71 ± .03
(.028 ± .001)
DIA. TYP.
6.60 12.70 ± .79
(.260) (.500 ± .031)
DIMENSIONS:
MM
(INCHES)
Style
Standard or Modified
Product Indicator
-1 = Standard Product
Resistance Code
Optional Suffix Letter
M = Panel Mount
(Factory Installed)
RED 2 WIPER
TOLERANCES: ±
0.25
(.010)
EXCEPT WHERE NOTED
REV. 04/14
YELLOW 1
CCW
CLOCKWISE
3 GREEN
CW
*RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011.
“Trimpot” is a registered trademark of Bourns, Inc.
†“Fluorinert” is a registered trademark of 3M Co.
Specifications are subject to change without notice.
The device characteristics and parameters in this data sheet can and do vary in different applications and actual device performance may vary over time.
Users should verify actual device performance in their specific applications.