wsk0612 www.vishay.com vishay dale revision: 09-nov-11 1 document number: 30161 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 ? resistors, high power, surface mount, 4-terminal features ? 4-terminal design ? ideal for all types of current sensing, voltage division and pulse applications ? proprietary processing technique produces extremely low resistance values ? durable with all-welded construction ? low thermal emf (< 3 v/c) ? solid metal nickel-chrome or manganese-copper resistive element with low tcr (< 20 ppm/c) ? compliant to rohs directive 2002/95/ec ? aec-q200 qualified available (1) note (1) flame retardance test may not be applicable to some resistor technologies. note ** please see document vishay material category policy: www.vishay.com/doc?99902 note (2) 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 (2) ? weight (typical) g/1000 pieces wsk0612 0612 1.0 1.0 0.50m to 5.0m 0.5m , 0.75m, 1m, 2m, 3m, 4m, 5m 8.2 technical specifications parameter unit resistor characteristics temperature coefficient ppm/c 600 for 0.5 m ? and 0.75 m ? , 275 for 1 m ? , 225 for 2 m ? , 150 for 3 m ? , 4 m ? and 5 m ? operating temperature range c - 65 to + 170 maximum working voltage v ( p x r ) 1/2 global part number information global part numbering example: wsk06121l000fea global model resistance value tolerance code packaging code special wsk0612 l = m ? l5000 = 0.0005 ? l7500 = 0.00075 ? 1l000 = 0.001 ? 2l000 = 0.002 ? 3l000 = 0.003 ? 4l000 = 0.004 ? 5l000 = 0.005 ? f = 1.0 % ea = lead (pb)-free, tape/reel ek = lead (pb)-free, bulk (dash number) (up to 2 digits) from 1 to 99 as applicable w s k 0 6 1 2 1 l 0 0 0 f e a
wsk0612 www.vishay.com vishay dale revision: 09-nov-11 2 document number: 30161 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 dimensions note ? embossed carrier tape per eia-481 . model dimensions in inches (millimeters) lwht ab wsk0612 0.060 0.010 (1.50 0.254) 0.120 0.010 (3.05 0.254) 0.015 0.010 (0.381 0.254) 0.015 0.010 (0.381 0.254) 0.020 0.005 (0.51 0.127) 0.020 0.005 (0.51 0.127) model solder pad dimensions in inches (millimeters) abcd l wsk0612 0.040 (1.01) 0.135 (3.43) 0.030 (0.762) 0.015 (0.381) 0.030 (0.76) w l b a h t l a b c d performance test conditions of test test limits thermal shock - 55 c to + 150 c, 1000 cy cles, 15 min at each extreme 1.0 % ? r short time overload 5 x ra ted 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 2.0 % ? 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 2.0 % ? r resistance to solder heat + 260 c solder, 10 s to 12 s dwell, 25 mm/s emergence 0.5 % ? r moisture resistance mil-std-202, method 106, 0 % power, 7a and 7b not required 1.0 % ? r 70 0 derating - 65 - 55 - 25 0 25 50 75 100 125 150 170 ambient temperature c 20 40 60 80 100 120 rated power in % packaging model reel tape width diameter pieces/reel code wsk0612 8 mm/embossed plastic 178 mm/7" 4000 ea
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