power metal strip ? resistors, low value (down to 0.001 ), surface mount www.vishay.com for technical questions, contact: ww2bresistors@vishay.com document number: 30100 6 revision: 12-aug-09 wsl vishay dale features ? ideal for all types of current sensing, voltage division and pulse applications including switching and linear power supplies, instruments, power amplifiers ? proprietary processing technique produces extremely low resistance values (down to 0.001 ) ? all welded construction ? solderable terminations ? 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) ? compliant to rohs directive 2002/95/ec notes (1) for values above 0.1 derate linearly to 80 % rated power at 0.5 ? part marking: value; tolerance: due to re sistor size limitations some resistors wi ll be marked with only the resistance value * pb containing terminations are not rohs compliant, exemptions may apply ** please see document ?vishay material category policy?: www.vishay.com/doc?99902 standard electrical specifications global model power rating p 70 c w resistance range weight (typical) g/1000 pieces 0.5 % 1.0 % wsl0603 0.1 0.01 to 0.1 0.01 to 0.1 1.9 wsl0805 0.125 0.01 to 0.2 0.01 to 0.2 4.8 wsl1206 0.25 0.006 to 0.2 0.001 to 0.2 16.2 wsl2010 0.5 0.004 to 0.5 0.001 to 0.5 38.9 wsl2512 1.0 (1) 0.003 to 0.5 0.001 to 0.5 63.6 wsl2816 2.0 0.01 to 0.1 0.01 to 0.1 118 technical specifications parameter unit wsl 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 0.5 operating temperature range c - 65 to + 170 maximum working voltage v ( p x r ) 1/2 global part number information new global part numbering: wsl25124l000fta (preferred part numbering format) global model value tolerance code packaging special wsl0603 wsl0805 wsl1206 wsl2010 wsl2512 wsl2816 l = m * r = decimal 5l000 = 0.005 r0100 = 0.01 * use ? l ? for resistance values < 0.01 d = 0.5 % f = 1.0 % j = 5.0 % ea = lead (pb)-free, tape/reel ek = lead (pb)-free, bulk ta = tin/lead, tape/reel (r86) tg = tin/lead, tape/reel (rt1) ba = tin/lead, bulk (b43) (dash number) (up to 2 digits) from 1 to 99 as applicable historical part number example: wsl2512 0.004 1 % r86 (will continue to be accepted) wsl2512 0.004 1 % r86 historical model resistance value tolerance code packaging l251 4l0 2 ws t 0 fa 0
document number: 30100 for technical questions, contact: ww2bresistors@vishay.com www.vishay.com revision: 12-aug-09 7 wsl power metal strip ? resistors, low value (down to 0.001 ), surface mount vishay dale dimensions note ? embossed carrier tape per eia-481-1a l i t w h b a 70 deratin g 120 100 8 0 60 40 20 0 - 65 - 50 - 25 0 25 50 75 100 125 150 170 ambient temperature in c rated power in % model dimensions in inches [millimeters] resistance range lw h t wsl0603 0.01 to 0.1 0.060 0.010 [1.52 0.254] 0.030 0.010 [0.76 0.254] 0.013 0.005 [0.330 0.127] 0.015 0.010 [0.381 0.254] wsl0805 0.01 to 0.2 0.080 0.010 [2.03 0.254] 0.050 0.010 [1.27 0.254] 0.013 0.005 [0.330 0.127] 0.015 0.010 [0.381 0.254] wsl1206 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] 0.002 to 0.0059 0.126 0.010 [3.20 0.254] 0.063 0.010 [1.60 0.254] 0.025 0.010 [0.635 0.254] 0.025 0.010 [0.635 0.254] 0.006 to 0.20 0.126 0.010 [3.20 0.254] 0.063 0.010 [1.60 0.254] 0.025 0.010 [0.635 0.254] 0.020 0.010 [0.508 0.254] wsl2010 0.001 to 0.0069 0.200 0.010 [5.08 0.254] 0.100 0.010 [2.54 0.254] 0.025 0.010 [0.635 0.254] 0.058 0.010 [1.47 0.254] 0.007 to 0.5 0.200 0.010 [5.08 0.254] 0.100 0.010 [2.54 0.254] 0.025 0.010 [0.635 0.254] 0.020 0.010 [0.508 0.254] wsl2512 0.001 to 0.0049 0.250 0.010 [6.35 0.254] 0.125 0.010 [3.18 0.254] 0.025 0.010 [0.635 0.254] 0.087 0.010 [2.21 0.254] 0.005 to 0.0069 0.250 0.010 [6.35 0.254] 0.125 0.010 [3.18 0.254] 0.025 0.010 [0.635 0.254] 0.047 0.010 [1.19 0.254] 0.007 to 0.5 0.250 0.010 [6.35 0.254] 0.125 0.010 [3.18 0.254] 0.025 0.010 [0.635 0.254] 0.030 0.010 [0.762 0.254] wsl2816 0.01 to 0.1 0.280 0.010 [7.1 0.254] 0.165 0.010 [4.2 0.254] 0.025 0.010 [0.635 0.254] 0.062 0.010 [1.57 0.254] model solder pad dimensions in inches [millimeters] resistance range ab l wsl0603 0.01 to 0.1 0.040 [1.01] 0.040 [1.01] 0.020 [0.50] wsl0805 0.01 to 0.2 0.040 [1.02] 0.050 [1.27] 0.020 [0.50] wsl1206 0.001 to 0.2 0.062 [1.57] 0.070[1.78] 0.030 [0.76] wsl2010 0.001 to 0.0069 0.093 [2.36] 0.120 [3.05] 0.055 [1.40] 0.007 to 0.5 0.055 [1.40] 0.120 [3.05] 0.130 [3.30] wsl2512 0.001 to 0.0049 0.120 [3.05] 0.145 [3.68] 0.050 [1.27] 0.005 to 0.0069 0.083 [2.11] 0.145 [3.68] 0.125 [3.18] 0.007 to 0.5 0.065 [1.65] 0.145 [3.68] 0.160 [4.06] wsl2816 0.01 to 0.1 0.096 [2.45] 0.185 [4.7] 0.125 [3.20] 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 short time overload 5 x rated power for 5 s (0.5 % + 0.0005 ) r low temperature operation - 65 c for 24 h (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 rated power, + 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, method 106, 0 % power, 7a and 7b not required (0.5 % + 0.0005 ) r packaging model reel tape width diameter pieces/reel code wsl0603 8 mm/punched paper 178 mm/7" 5000 ea wsl0805 8 mm/punched paper 178 mm/7" 5000 ea wsl1206 8 mm/embossed plastic 178 mm/7" 4000 ea wsl2010 12 mm/embossed plastic 178 mm/7" 4000 ea wsl2512 12 mm/embossed plastic 178 mm/7" 2000 ea wsl2816 16 mm/embossed plastic 330 mm/13" 5000 ea
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