WSBM8518 www.vishay.com vishay dale revision: 26-sep-12 1 document number: 31094 for technical questions, contact: ww2bresistors@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 power metal strip ? battery shunt resistor w/molded enclosure very low value (100 ? ) features ? high power to resistor size ratio ? proprietary processing technique produces extremely low resistance values ? all welded construction ? solid metal manganese-copper alloy resistive element with low tcr (< 20 ppm/c) ? molded enclosure allows for easy pcb connection ? includes 4-pin female connector (molex # mx150334820401) ? very low inductance (< 5 nh) ? low thermal emf (< 3 v/c) ? material categorization: for definitions of compliance please see www.vishay.com/doc?99912 note (1) other values may be available, contact factory standard electrical specifications global model size power rating p 70 c w tolerance % resistance value range ? resistance values currently available (1) ? weight (typical) g WSBM8518 8518 36 5.0 0.0001 100 60 technical specifications parameter unit resistor characteristics temperature coefficient ppm/c 225 temperature coefficient (element material) ppm/c 20 operating temperature range c - 65 to + 170 thermal emf v/c < 3 inductance nh < 5 maximum current rating a ( p / r ) 1/2 global part number information global part numbering: WSBM8518l1000jk (WSBM8518, 0.000100 ? , 5 %) global model (8 digits) resistance value (5 digits) tolerance code (1 digit) packaging code (1 digit) special (up to 2 digits) WSBM8518 l = m ? l1000 = 0.000100 ? j = 5.0 % k = bulk pack (dash number) from 1 to 99 as applicable w s b m 8 5 1 8 l 1 0 0 0 j k
WSBM8518 www.vishay.com vishay dale revision: 26-sep-12 2 document number: 31094 for technical questions, contact: ww2bresistors@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 external dimensions in inches [millimeters] internal dimensions in inches [millimeters] 38.1 1.500 ref 1.5 0.060 43.2 1.700 40.5 1.594 17.6 0.692 18 0.708 2.5 0.100 20.9 0.823 20.9 0.823 85 3.346 2x 7 0.276 12.5 0.492 12.5 0.492 9 0.354 female connector for mx150334820401 20 0.787 8.2 0.323 12.7 0.499 27.7 1.089 ref 10.5 0.413 3 0.118 15 0.591 tolerance s on decimal s xxx 0.005 unle ss otherwi s e li s ted 35.1 0.2 1.380 0.008 7.6 0.300 3.6 0.140 2x 1 0.041 40.1 0.2 1.580 0.009 7.6 0.300 3.6 0.140 2x 0.6 0.025 2x 1.2 0.047 2x 2.2 0.085 10 0.394 13.8 0.542 12.6 0.496 8.3 0.328 6.7 0.263 0.8 0.030 9 0.356 3 0.120 6.5 0.256 3 0.120 tolerance s on decimal s xxx 0.005 unle ss otherwi s e li s ted
WSBM8518 www.vishay.com vishay dale revision: 26-sep-12 3 document number: 31094 for technical questions, contact: ww2bresistors@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 derating performance test conditions of test test limits thermal shock - 55 c to + 150 c, 1000 cy cles, 15 min at each extreme 0.5 % ? r short time overload 5 x rated power for 5 s 0.5 % ? r low temperature operation - 65 c for 45 min 0.5 % ? r high temperature exposure 1000 h at + 170 c 1.0 % ? r bias humidity + 85 c, 85 % rh, 10 % bias, 1000 h 0.5 % ? r mechanical shock 100 g s for 6 ms, 5 pulses 0.5 % ? r vibration frequency varied 10 hz to 2000 hz in 1 min, 3 directions, 12 h 0.5 % ? r load life 1000 h at + 70 c, 1.5 h on, 0.5 h off 1.0 % ? r moisture resistance mil-std- 202, method 106, 0 % power, 7b not required 0.5 % ? r 70 derating 120 100 80 60 40 20 0 - 65 - 50 - 25 0 25 50 75 100 125 150 170 ambient temperature in c rated power in %
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