3250 - 1/2 square trimming potentiometer specifications are subject to change without notice. customers should verify actual device performance in their specific applications. features multiturn / wirewound / sealed listed on the qpl for style rt22 per mil-r-27208 and rtr22 per high-rel mil-r-39015 panel mount option available rohs compliant 1 electrical characteristics standard resistance range...10 to 50k ohms (see standard resistance table) resistance tolerance .......................? % 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........................................1,000 vac 80,000 feet .......................................400 vac adjustment travel ......................25 turns nom. environmental characteristics power rating @ 85 ? ........................1.0 watt power rating @ 150 ? .........................0 watt temperature range.............-65 ? to +150 ? temperature coefficient ...............?0 ppm/? seal test......85 ? fluorinert 2 (pin styles only) humidity ................mil-std-202 method 106 (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 ? (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 flexible leads (7 strands of 30 awg) weight .................................................0.06 oz. machine screw mounting torque .....................................12 oz-in. max. marking..................manufacturer s trademark, resistance code, terminal numbers, date code, manufacturer s model number and style wiper ..........................................50 % 10 % flammability....................................u.l. 94v-0 standard packaging p&w styles..........................25 pcs. per tube l style...................................25 pcs. per bag adjustment tool .......................................h-90 1 3 green cw clockwise yellow ccw 2 wiper red 1.98 (.078) 12.7 (.500) typ. typ. dia. thru (2 places) .89 (.035) typ. 1.78 (.070) 5.59 (.220) typ. 13.33 .64 (.525 .025) .71 .08 (.028 .003) 2.54 (.100) 2.54 (.100) 6.35 (.250) 1 2 3 2.36 (.093) 13.21 (.520) 12.70 (.500) 1.40 (.055) 4.75 (.187) .89 (.035) 1.52 (.060) 152.4 (6.00) 2.79 (.110) 2 1 3 2 1 3 2.79 (.110) 12.7 (.500) 12.7 (.500) 2.54 (.100) 2.54 (.100) 2.54 (.100) 2.54 (.100) 2.54 (.100) 6.35 (.250) 6.35 (.250) 6.35 (.250) dia. typ. typ. typ. typ. typ. typ. length min. dia. thru (2 places) 13.21 (.520) 2.03 .38 (.080 .015) wide x x deep dia. adj. slot 3.1 (.122) .64 (.024) standard resistance table popular values listed in boldface. special resistances available. how to order 3250 l - 1 - 103 m model style standard or modified product indicator -1 = standard product resistance code optional suffix letter m = panel mount (factory installed) consult factory for other available options. nominal resistance resistance resolution (ohms) code (percent) 10 100 1.30 20 200 1.00 50 500 0.80 100 101 0.90 200 201 0.70 500 501 0.60 1,000 102 0.40 2,000 202 0.30 5,000 502 0.25 10,000 103 0.19 20,000 203 0.16 25,000 253 0.14 50,000 503 0.13 available through distribution dimensions are: mm (inches) tolerances: 0.25 (.010) except where noted 1 rohs directive 2002/95/ec jan 27 2003 including annex 2 fluorinert is a registered trademark of 3m co. rev. 09/04 3250p common dimensions (pin styles) 3250w 3250w-66 3250l product dimensions
|
