www.vishay.com for technical questions, contact: ww2bresistors@vishay.com document number: 30122 382 revision: 08-dec-10 wslp vishay dale power metal strip ? resistors, very high power (to 1 w) low value (down to 0.001 ), surface mount features ? very high power to foot print size ratio (1 w in 1206, 0.5 w in 0805 and 0.4 w in 0603 package) ? ideal for all types of current sensing and pulse applications including switching and linear power supplies, instrume nts, power amplifiers and shunts ? proprietary processing technique produces extremely low resistance values (down to 0.001 ) ? 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 ? excellent frequency response to 50 mhz ? low thermal emf (< 3 v/c) ? aec-q200 qualified available (1) ? compliant to rohs directive 2002/95/ec note (1) flame retardance test may not be a pplicable to some resistor technologies standard electrical specifications global model size power rating p 70 c w resistance value range weight (typical) g/1000 pieces tol. 0.5 % tol. 1.0 % wslp0603 0603 0.4 0.015 to 0.1 0.01 to 0.1 1.9 wslp0805 0805 0.5 0.01 to 0.05 0.01 to 0.05 4.8 wslp1206 1206 1.0 0.01 to 0.05 0.001 to 0.05 16.2 technical specifications parameter unit resistor characteristics temperature coefficient ppm/c 275 for 1 m to 2.9 m , 150 for 3 m to 4.9 m 110 for 5 m to 6.9 m , 75 for 7 m to 0.1 operating temperature range c - 65 to + 170 maximum workin voltage v ( p x r ) 1/2 global part number information global part numbering example: wslp1206r0100fea global model resistance value tolerance code packaging code special wslp0603 wslp0805 wslp1206 l = m * r = decimal 4l000 = 0.004 r0100 = 0.01 * use l for resistance values < 0.01 d = 0.5 % f = 1.0 % ea = lead (pb)-f ree, tape/reel ek = lead (pb)-free, bulk reserved for future specials ** please see document vishay material category policy: www.vishay. com/doc?99902 s l p 1 2 0 6 r 0 1 0 0 f e a w
document number: 30122 for tec hnical questions, contact: ww2bresistors@vishay.com www.vishay.com revision: 08-dec-10 383 wslp power metal strip ? resistors, very high power (to 1 w) low value (down to 0.001 ), surface mount vishay dale dimensions derating note ? embossed carrier tape per eia-481 . model resistance range ( ) dimensions in inches (millimeters) solder pad dimensions in inches (millimeters) lwhtabl wslp0603 0.01 to 0.1 0.060 0.010 (1.52 0.254) 0.030 0.010 (0.76 0.254) 0.013 0.010 (0.330 0.254) 0.015 0.010 (0.381 0.254) 0.040 (1.02) 0.040 (1.02) 0.020 (0.50) wslp0805 0.01 to 0.05 0.080 0.010 (2.03 0.254) 0.050 0.010 (1.27 0.254) 0.013 0.010 (0.330 0.254) 0.015 0.010 (0.381 0.254) 0.040 (1.02) 0.050 (1.27) 0.020 (0.50) wslp1206 0.001 to 0.0019 0.126 0.010 (3.20 0.254) 0.063 0.010 (1.60 0.254) 0.025 0.010 (0.635 0.254) 0.041 0.010 (1.04 0.254) 0.062 (1.57) 0.070 (1.78) 0.030 (0.76) 0.002 to 0.0059 0.025 0.010 (0.635 0.254) 0.006 to 0.075 0.020 0.010 (0.508 0.254) performance test conditions of test test limits thermal shock - 55 c to + 150 c, 1000 cycles, 15 min at each extreme (0.5 % + 0.0005 ) r low temperature operation - 65 c for 45 min (0.5 % + 0.0005 ) r high temperature exposure 1000 h at + 170 c (1.0 % + 0.0005 ) r bias humidity + 85 c, 85 % rh, 10 % bias, 1000 h (0.5 % + 0.0005 ) r mechanical shock 100 g s for 6 ms, 5 pulses (0.5 % + 0.0005 ) r vibration frequency varied 10 hz to 2000 hz in 1 min, 3 directions, 12 h (0.5 % + 0.0005 ) r load life 1000 h at 70 c, 1.5 h on, 0.5 h off (1.0 % + 0.0005 ) r resistance to solder heat + 260 c solder , 10 s to 12 s dwell, 25 mm/s emergence (0.5 % + 0.0005 ) r moisture resistance mil-std-202, meth od 106, 0 % power, 7b not required (0.5 % + 0.0005 ) r l t w h l b a derating 120 100 80 60 40 20 0 - 65 ambient temperature in c rated power in % 70 - 50 - 25 75 0 150 100 170 125 25 50 packaging model reel tape width diameter pieces/reel code wslp0603 8 mm/punched pa per 178 mm/7" 5000 ea wslp0805 8 mm/punched pa per 178 mm/7" 5000 ea wslp1206 8 mm/embossed pl astic 178 mm/7" 4000 ea
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