Features For trimmer applications/processing 1-1/4 Rectangular / Multiturn guidelines, click here Wirewound / Industrial / Sealed Panel mount option available Listed on the QPL for style RT12 per MIL-PRF-27208 RoHS compliant* 3057 - Trimpot Trimming Potentiometer Electrical Characteristics Product Dimensions Standard Resistance Range 3057L 3057Y Common Dimensions .................................. 10 to 50K ohms (see standard resistance table) 31.75 (1.25) Resistance Tolerance ............. 5 % std. 3.18 25.4 (tighter tolerance available) (.125 ) (1.000) 1 2 3 Absolute Minimum Resistance 1.47 .56 7.62 (.058 .022) ..........................0.1 % or 1 ohm max. 6.35 (.300) (.250) (whichever is greater) 17.78 ADJ. SLOT Noise .....................100 ohms ENR max. (.700) 2.92 .38 DIA. Resolution ........... See Resistance Table (.115 .015) 2.36 DIA. Insulation Resistance ...............500 vdc64 (.093) X WIDE (.025) 2.54 1,000 megohms min. MTG. HOLES (2) .79 (.100) DEEP X Dielectric Strength 4.83 (.031) (.190) .71 .03 Sea Level............................. 1,500 vac DIA. TYP. (.028 .001) 70,000 Feet ............................ 400 vac 12.70 .79 Adjustment Travel .............22 turns nom. 6.10 (.500 .031) TYP. 6.10 (.240) TYP. 152.4 (.240) LEADS MIN. LENGTH Environmental Characteristics (6.000) 8.00 .38 2.54 Power Rating 70 C ..................1 watt (.315 .015) (.100) Power Rating 150 C ................0 watt Temperature Range ...-55 C to +150 C Standard Resistance Table Temperature Coe cient ..... 50 ppm/C 2.67 Seal Test ......................85 C Fluorinert (.105 ) Nominal 3.43 .38 Resistance Resistance Resolution (pin styles only) (.135 .015) (Ohms) Code (Percent) Humidity .......MIL-STD-202 Method 106 3057J 10 100 2.40 96 hours 20 200 1.90 2 % TR, 100 Megohms IR) 3.80 50 500 1.40 (.150) Vibration ............. 30 G (1 % TR 0.5 % 100 101 1.00 200 201 0.86 + resolution VR) 500 501 0.89 Shock ............... 100 G (1 % TR 0.5 % 1,000 102 0.72 1 2 3 + resolution VR) 2,000 202 0.58 Load Life ....1,000 hours 1 watt 70 C 5,000 502 0.43 10,000 103 0.34 (2 % TR) 20,000 203 0.31 6.35 7.62 Rotational Life ..... 200 cycles (2 % TR) (.250) (.300) 50,000 503 0.24 17.78 Physical Characteristics Popular values listed in boldface. Special (.700) .71 .03 DIA. TYP. resistances available. Torque .............................8.0 oz-in. max. (.028 .001) Mechanical Stops .................Wiper idles Terminals ........ Solderable pins and lugs How To Order 2.54 Flexible leads ......(7 strands of 30 AWG) (.100) 3057 L - 1 - 103 M Weight ....................................... 0.10 oz. 3057P Model Marking .........Manufacturers trademark, resistance code, terminal numbers, .71 .03 Style (.028 .001) date code, manufacturers model Standard or Modi ed DIA. TYP. number and style Product Indicator Wiper ...............50 % (Actual TR) 10 % -1 = Standard Product 2 1 3 17.78 Flammability ..........................U.L. 94V-0 6.60 12.70 .79 Resistance Code (.700) Standard Packaging (.260) (.500 .031) 22.86 Optional Su x Letter P&Y Style ..................10 pcs. per tube (.900) M = Panel Mount L&J Style ....................25 pcs. per bag (Factory Installed) Adjustment Tool ..............................H-90 MM DIMENSIONS: (INCHES) 0.25 TOLERANCES: EXCEPT WHERE NOTED RED WIPER 2 (.010) REV. 04/14 YELLOW GREEN 3 1 *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. CCW CW CLOCKWISE Trimpot is a registered trademark of Bourns, Inc. Fluorinert is a registered trademark of 3M Co. Speci 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 speci c applications. *RoHS COMPLIANT
