features multiturn/ wirewound / industrial / sealed listed on the qpl for style rt24 per mil-r-27208 and rtr24 per high-rel mil-r-39015 panel mount option available rohs compliant* for trimmer applications/processing guidelines, click here 3290 - 3/8 ?square 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 .......................... 0.1 % or 1 ohm max. (whichever is greater) noise .....................100 ohms enr max. resolution ...........(see standard resistance table) insulation resistance ............... 500 vdc. 1,000 megohms min. dielectric strength sea level............................. 1,000 vac 80,000 feet ............................ 350 vac adjustment travel .............25 turns nom. environmental characteristics power rating @ 85 c ............... 1.0 watt power rating @ 150 c ................ 0 watt temperature range ... -65 c to +150 c temperature coef? cient ..... 50 ppm/c seal test ......................85 c fluorinert? 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 1.0 watt @ 85 c (2 % tr; 500 ohms enr) rotational life .......................200 cycles (2 % tr; 500 ohms enr) physical characteristics torque ............................. 5.0 oz-in. max. mechanical stops ................. wiper idles terminals solderable printed circuit pins weight ..................................... 0.025 oz. marking .........manufacturer?s trademark, resistance code, wiring diagram, date code, manufacturer?s model number and style wiper ............... 50 % (actual tr) 10 % flammability ..........................u.l. 94v-0 standard packaging .....50 pcs. per tube adjustment tool ..............................h-90 product dimensions 1 3 cw clockwise ccw 2 wiper how to order 3290 h - 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) consult factory for other available options. rev. 08/10 tolerances: 0.25 except where noted (.010) dimensions: mm (inches) 3290h common dimensions 3 2 1 1 2 3 4.75 (.187) 2.54 (.100) 4.75 (.187) 2.54 (.100) 2.54 (.100) 2.54 (.100) 2.54 (.100) 1.19 (.075) 3.81 (.150) 1.27** (.050) 1.52** (.060) 1.91 (.075) 1.02 (.040) 9.53 ?38** (.375 ?015) 321 2.54 (.100) 4.75 (.187) 9.53 ?38** (.375 ?015) 2.54 (.100) 8.00 ?38 (.315 ?015) typ.** .51 ?03 (.020 ?001) dia. typ.** adj. slot 1.52 (.060) .51 (.020) .64 (.025) wide x x deep dia. 3290p 3290w standard resistance table nominal resistance resistance resolution (ohms) code (percent) 10 100 1.11 20 200 0.93 50 500 0.62 100 101 0.60 200 201 0.54 500 501 0.42 1,000 102 0.33 2,000 202 0.26 5,000 502 0.20 10,000 103 0.17 20,000 203 0.14 25,000 253 0.13 50,000 503 0.11 popular values listed in boldface. special resistances available. **common dimensions *rohs compliant
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