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Technical content

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 *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. Specifi cations 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 specifi c applications.

Electrical Characteristics

(see standard resistance table) (tighter tolerance available) Absolute Minimum Resistance (whichever is greater) 1,000 megohms min. Dielectric Strength Environmental Characteristics Temperature Range ... -55 °C to +150 °C (pin styles only) 96 hours 2 % ΔTR, 100 Megohms IR) + resolution ΔVR) + resolution ΔVR) Load Life ....1,000 hours 1 watt @ 70 °C (2 % ΔTR) Physical Characteristics resistance code, terminal numbers, date code, manufacturer’s model number and style Standard Packaging Product Dimensions How To Order

3057 L - 1 - 103 M

Standard or Modifi ed Product Indicator -1 = Standard Product Resistance Code Optional Suffi x Letter M = Panel Mount (Factory Installed) Standard Resistance Table Nominal Resistance Resistance Resolution (Ohms) Code (Percent) 10 100 2.40 20 200 1.90 50 500 1.40 100 101 1.00 200 201 0.86 500 501 0.89 1,000 102 0.72 2,000 202 0.58 5,000 502 0.43 10,000 103 0.34 20,000 203 0.31 50,000 503 0.24 REV. 04/14 TOLERANCES: ± 0.25 EXCEPT WHERE NOTED (.010) DIMENSIONS: MM (INCHES) Popular values listed in boldface. Special resistances available. 3057L Common Dimensions 3057J 3057P 3057Y 7.62 (.300) 17.78 (.700) 6.35 (.250) 2 3 12.70 ± .79 (.500 ± .031) 2.54 (.100) 2.54 (.100) .71 ± .03 (.028 ± .001) DIA. TYP. 1 3 GREEN CWCLOCKWISE YELLOW CCW

2 WIPERRED

*RoHS COMPLIANT