electrical characteristics standard resistance range 10 to 2 megohms (see standard resistance table) resistance tolerance f 20% or f 10% std. (tighter tolerance available) absolute minimum resistance 1% or 2 ohms max. (whichever is greater) contact resistance variation 3% or 3 ohms max. (whichever is greater) adjustability voltage f 0.05% resistance f 0.15% resolution infinite insulation resistance 500 vdc 1,000 megohms min. dielectric strength 101.3 kpa 500 vac 8.5 kpa 315 vac adjustment angle ? 210 e nom. environmental characteristics power rating (250 volts max.) 0.5 watt (70 ) , 0 watt (125 ) temperature range -55 to +125 temperature coefficient f 100ppm/ vibration 98 m/s 2 (3% ? tr; 2% ? vr) shock 390 m/s 2 (3% ? tr; 2% ? vr) load life 1,000 hours 0.5 watt @ 70 (3% ? tr; 3% or 3 ohms, whichever is greater ,crv) rotational life 100 cycles (3% ? tr; 3% or 3 ohms, whichever is greater ,crv) physical characteristics mechanical angle 250 e nom. torque 20 mn g m max. stop strength 50 mn g m min. features ? single turn round ? cermet / industrial / sealed ? top and side adjust types (h,s,x,p most popular) ? ? wiw3329h /1 ? wiw3329s /1 ? wiw3329x h ? ? e wiw3329h-1 ? ? /1 wiw3329p how to order wiw3329 h 102 model style resistance code & |