wslp2726 www.vishay.com vishay dale revision: 07-aug-15 1 document number: 30179 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, very high power (to 7 w), low value (down to 0.0003 ? ), surface mount features ? high power to foot print size ratio ? ideal for all types of current sensing, voltage division and pulse applications including switching and linear power supplies, instruments, power a mplifiers, and shunts ? proprietary processing technique produces extremely low resistance values, down to 0.0003 ? ? specially selected and stabilized materials allow for high power rating (to 7 w) ? all welded construction ? solid metal nickel-chrome or manganese-copper alloy resistive element with low tcr (< 20 ppm/c) ? very low inductance 0.5 nh to 5 nh ? low thermal emf (< 3 v/c) ? aec-q200 qualified available (1) ? material categorization: fo r definitions of compliance please see www.vishay.com/doc?99912 note (1) flame retardance test may not be applicable to some resistor technologies. notes ? power rating depends on the max. temperature at the solder point, component placement density and the substrate material . ? part marking: model, value, tolerance, date code . (2) other values may be avg#lable, contact factory . available 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 wslp2726 2726 5.0 1.0, 5.0 2m to 4m 2m, 3m, 4m 420 wslp2726 2726 7.0 1.0, 5.0 0.3m to 1m 0.3m, 0.5m, 0.7m, 1m 420 technical specifications parameter unit resistor characteristics temperature coefficient ppm/c 75 for 0.5 m ? to 4 m ? , 110 for 0.3 m ? element tcr ppm/c < 20 operating temperature range c -65 to +170 maximum working voltage v ( p x r ) 1/2 global part number information global part numbering: ws lp2726l5000fea (wslp2726, 0.0005 ? , 1 %) global model resistance value tolerance code packaging code special wslp2726 l = m ? l5000 = 0.0005 ? l7000 = 0.0007 ? 1l000 = 0.0010 ? 2l000 = 0.0020 ? f = 1.0 % j = 5.0 % 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 l 2 7 2 6 l 5 0 0 0 f e a p
wslp2726 www.vishay.com vishay dale revision: 07-aug-15 2 document number: 30179 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 derating - ambient temperature derating - terminal temperature example: wslp272;0.0005 ? , 0.001 ? model dimensions in inches (millimeters) lwh r (ref.) stun wslp2726 0.272 0.008 (6.9 0.2) 0.260 + 0.012/- 0.008 (6.6 + 0.3/- 0.2) please see table below 0.198 (5.0) 0.028 0.004 (0.7 0.1) 0.016 0.002 (0.4 0.05) 0.078 0.004 (2.0 0.1) 0.039 0.006 (0.99 0.15) b w d a b c l w s r h t u n model solder pad dimensions in inches (millimeters) abcdw wslp2726 0.220 (5.6) 0.096 (2.44) 0.035 (0.89) 0.035 (0.89) 0.290 (7.4) model resistance value (m ? ) element material height h wslp2726 0.3 mn-cu 0.141 0.008 (3.58 0.2) wslp2726 0.5 mn-cu 0.116 0.008 (2.95 0.2) wslp2726 0.7 mn-cu 0.111 0.008 (2.82 0.2) wslp2726 1.0 mn-cu 0.1055 0.008 (2.68 0.2) wslp2726 2.0 ni-cr 0.114 0.008 (2.9 0.2) wslp2726 3.0 ni-cr 0.108 0.008 (2.74 0.2) wslp2726 4.0 ni-cr 0.1046 0.008 (2.66 0.2) am b ient temperature in c rate d power in % 170 125 100 70 25 0 -25 -50 -65 50 120 100 80 60 40 20 0 150 terminal temperature t k in c p / p norm in % 180 160 140 120 80 60 40 20 0 100 120 100 80 60 40 20 0 stability < 1.0 % stability < 0.5 %
wslp2726 www.vishay.com vishay dale revision: 07-aug-15 3 document number: 30179 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 note ? embossed carrier tape per eia-481. perforsnce test conditions of test test limits thermal shock -55 c to +150 c, 1000 cycles, 15 min at each extreme (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 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, 7b not required (0.5 %) ? r packaging model reel tape width diameter pieces/reel code wslp2726 16 mm/embossed plastic 330 mm/13" 1500 ea
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