features single-turn / wirewound / industrial / sealed industrial wirewound 1.0 watt power rating at 70 ? available with a thumbwheel and screwdriver slot adjustment rohs compliant* for trimmer applications/processing guidelines, click here 3345 - 1/2 ?round trimpot trimming potentiometer *rohs directive 2002/95/ec jan 27 2003 including annex. ?rimpot?is a registered trademark of bourns, inc. ??luorinert?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 .........................1.0 % or 0.5 ohms max. (whichever is greater) noise ........................ 100 ohms enr max. resolution ................see standard resistance table 1,000 megohms min. dielectric strength sea level .................................1,500 vac 70,000 feet ................................350 vac insulation resistance .................. 500 vdc. 100 megohms min. adjustment angle .....................280 nom. environmental characteristics power rating 70 c ..............................................1 watt 150 c ...........................................0 watt temperature range ...... -55 c to +150 c temperature coef? cient ....... 50 ppm/c seal test ..........................85 c fluorinert? humidity .......... mil-std-202 method 106 (1 % tr, 10 megohms ir) vibration ...........30 g (1 % tr; 1 % vr) shock .............100 g (1 % tr; 1 % vr) load life ...... 1,000 hours, 1 watt @ 70 c rotational life ........................... 200 cycles (2 % tr; 500 ohms enr) physical characteristics mechanical angle .....................310 nom. torque ................................ 5.0 oz-in. max. stop strength ...................... 15 oz-in. min. terminals ........................... solderable pins weight ............................................0.04 oz. marking .............................. manufacturer?s trademark, resistance code, wiring diagram, date code, manufacturer?s model number and style standard packaging .......100 pcs. per bag product dimensions dimensions: mm (inches) tolerances: 0.25 except where noted (.010) 1 3 cw clockwise ccw 2 wiper how to order 3345 p - 1 - 502 t model style standard product resistance code optional suf? x letter t = thumb wheel consult factory for other available options. standard resistance table nominal resistance resistance resolution (ohms) code (percent) 10 100 0.94 20 200 0.76 50 500 0.58 100 101 0.49 200 201 0.49 500 501 0.38 1,000 102 0.30 2,000 202 0.24 5,000 502 0.18 10,000 103 0.14 20,000 203 0.13 50,000 503 0.12 rev. 08/10 special resistances available from 10 to 50k ohms. 3345p .71 ?.08 (.028 ?.003) 1.09 ?.38 (.043 ?.015) 8.78 ?.38 (.345 ?.015) 2.54 (.10) 5.97 ?.38 (.235 ?.015) 12.7 (.500) 2.54 (.10) 2.54 (.10) .38 (.015) min. standoffs dia. 1.09 ?.38 (.043 ?.015) 13 2 1 3 2 1 3 2 2.54 (.10) 2.54 (.10) 2.54 (.10) 11.43 ?.38 (.450 ?.015) dia. 11.43 ?.38 (.450 ?.015) dia. min. 12.57 ?.38 (.495 ?.015) 12.57 ?.38 (.495 ?.015) 11.43 ?.38 (.450 ?.015) dia. 11.93 ?.38 (.450 ?.015) 6.86 ?.38 (.270 ?.015) .686 ?.38 (.270 ?.015) 8.00 ?.38 (.315 ?.015) 13.34 ?.38 (.525 ?.015) 13.97 ?.38 (.550 ?.015) 5.08 (.200) min. length 5.97 ?.38 (.235 ?.015) adj. slot long x deep x wide 5.97 (.235) .89 (.035) .64 (.025) 3345p thumbwheel 3345w 3345w thumbwheel *rohs compliant
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