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PL
IA
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*
*R
oH
S
CO
M
NT
3057 - Trimpot(R) Trimming Potentiometer
Electrical Characteristics Standard Resistance Range .....................................10 to 50K ohms (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 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 % TR, 100 Megohms IR) Vibration ..............30 G (1 % TR; 0.5 % + resolution VR) Shock ................100 G (1 % TR; 0.5 % + resolution VR) Load Life ....1,000 hours 1 watt @ 70 C (2 % TR) Rotational Life.......200 cycles (2 % TR) Physical Characteristics 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....................50 % (Actual TR) 10 %
Product Dimensions
3057L Common Dimensions
31.75 (1.25) 25.4 (1.000)
3057Y
3.18 (.125 ) 1.47 .56 (.058 .022)
1
2.36 DIA. (.093) MTG. HOLES (2) 4.83 (.190)
ADJ. SLOT 2.92 .38 DIA. (.115 .015) .64 WIDE X (.025) .79 DEEP X (.031)
2 3 7.62 (.300) 17.78 (.700)
6.35 (.250)
2.54 (.100) .71 .03 DIA. TYP. (.028 .001)
LEADS
6.10 TYP. (.240) 152.4 MIN. LENGTH (6.000) 8.00 .38 (.315 .015)
6.10 TYP. (.240)
12.70 .79 (.500 .031)
2.54 (.100)
RED
2.67 (.105 ) 3.43 .38 (.135 .015)
2
WIPER
YELLOW CCW
1
CLOCKWISE
3
GREEN CW
3057J
3.80 (.150)
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
1
2
3
7.62 (.300) 17.78 (.700)
6.35 (.250) .71 .03 DIA. TYP. (.028 .001)
2.54 (.100)
3057P
.71 .03 (.028 .001) DIA. TYP. 2 1 17.78 (.700) 22.86 (.900) 3 6.60 (.260) 12.70 .79 (.500 .031)
Popular values listed in boldface. Special resistances available.
How To Order
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
3057 L - 1 - 103 M
Model Style Standard or Modified Product Indicator -1 = Standard Product Resistance Code Optional Suffix Letter M = Panel Mount (Factory Installed) REV. 10/05 *RoHS Directive 2002/95/EC Jan 27 2003 including Annex. "Fluorinert" is a registered trademark of 3M Co. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.
TOLERANCES: 0.25 (.010) EXCEPT WHERE NOTED DIMENSIONS ARE: MM (INCHES)

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