3.18 (.125 ) 31.75 (1.25) 25.4 (1.000) 1.47 .56 (.058 .022) 2.36 (.093) mtg. holes (2) leads min. length 6.10 (.240) 6.10 (.240) 4.83 (.190) 8.00 .38 (.315 .015) 2.67 (.105 ) 3.43 .38 (.135 .015) 17.78 (.700) 22.86 (.900) 6.60 (.260) 2 1 3 12.70 .79 (.500 .031) 2 1 3 3.80 (.150) 2.54 (.100) 17.78 (.700) 7.62 (.300) 6.35 (.250) dia. typ. typ. 152.4 (6.000) adj. slot 2.92 .38 (.115 .015) .64 (.025) .79 (.031) wide x x deep dia. .71 .03 (.028 .001) dia. typ. .71 .03 (.028 .001) dia. typ. 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. trimpot is a registered trademark of bourns, inc. ?fluorinert is a registered trademark of 3m co. speci? cations are subject to change without notice. customers should verify actual device performance in their speci? c applications. 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 coef? cient ..... 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 ............................. 8.0 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 % 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 product dimensions how to order 3057 l - 1 - 103 m model style standard or modi? ed product indicator -1 = standard product resistance code optional suf? 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. 08/10 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) 1 2.54 (.100) 2.54 (.100) .71 .03 (.028 .001) dia. typ. 1 3 green cw clockwise yellow ccw 2 wiper red *rohs compliant
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