wsms 2906 vishay dale power metal strip ? meter shunt resistor very low value (down to 0.000 1 ) features ? high power to resistor size ratio ? 5 terminal connection design ? use for single or multi - phase energy meters ? proprietary processing technique produces extremely low resistance values ? all welded construction ? rohs compliant, lead - free construction ? very low inductance (< 5nh) ? low thermal emf (< 3 v/c) standard electrical specifications global model power rating p 70 c w tolerance % resistance value range resistance values currently available weight (typical) g wsms 2906 3.0 5.0 3 00 ? - 660 ? 3 00 ? , 400 ? , 500 ? other values available contact factory 4. 7 technical specifications parameter unit resistor characteristics temperature coefficient ppm/ c 100 for 300 ? & 400 ? , 75 for 500 ? operating temperature range c - 65 / +170 maximum current rating a (p/r) 1/2 global part number information global part numbering: wsms 2906 l 4 0 000jk (wsms 2906 , 0.000 4 , 5%) 0 712 10 for technical questions, contact ww2bresistors@vishay.com w s m 2 s 9 0 0 6 4 l 0 0 j k global model wsms 2906 resistance value l = milliohm l 3 000 = 0.000 3 0 ? l 4 000 = 0.000 4 0 ? l 5 000 = 0.000 5 0 ? tolerance code j = 5.0% packaging code k = bulk pack e = tape & reel special (dash number) (up to 2 digits) from 1 - 99 as applicable www.datasheet.co.kr datasheet pdf - http://www..net/
wsms 2906 vishay dale power metal strip ? meter shunt resistor, low value dimensions resistance value ( ? ) resistor element thickness (inches) element length element material 3 00 , 400, 500 0.0 51 0. 276 mn - cu performance test conditions of test test limits thermal shock - 55 c to +150 c, 1000 cycles, 15 minutes at each extreme 0.5% ? r short time overload 5 x rated power for 5 seconds 0.5% ? r low temperature operation - 65c for 45 min. 0.5% ? r high temperature exposure 1000 hours @ +170 c 1.0% ? r bias humidity +85 c, 85% rh, 10% bias, 1000 hours 0.5% ? r mechanical shock 100g?s for 6 milliseconds, 5 pulses 0.5% ? r vibration frequency varied 10 to 2000hz in one minute, 3 directions, 12 hours 0.5% ? r load life 1000 hours @ 70 c, 1.5 hrs ?on?, 0.5 hrs ?off? 1.0% ? r moisture resistance mil - std - 202, method 106, 0% power, 7b not required 0.5% ? r for technical questions, contact ww2bresistors@vishay.com 0 712 1 0 all dimensions are in inches tolerances on decimals xxx .005 www.datasheet.co.kr datasheet pdf - http://www..net/
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