cpsm www.vishay.com vishay dale revision: 22-dec-11 1 document number: 30106 for technical questions, contact: ww2aresistors@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 wirewound resistors, commercial power, surface mount features ? direct mounting on printed circuit board ? high wattage capabilities, low board temperatures ? meets or exceeds eia-rs-344 requirements ? special inorganic potting compound and ceramic case provide hi gh thermal conductivity in a fireproof package ? superior surge capability ? compliant to rohs directive 2002/95/ec notes * pb containing terminatio ns are not rohs compliant, exemptions may apply ** please see document vishay material category policy: www.vishay.com/doc?99902 standard electrical specifications global model historical model power rating p 40 c w resistance range tolerance % weight (typical) g cpsm03 cpsm-3 3 0.1 to 1k 5, 10 5.5 CPSM05 cpsm-5 5 0.1 to 1k 5, 10 6.5 technical specifications parameter unit cpsm resistor characteristics temperature coefficien t ppm/c 300 for 1.0 and above; 600 below 1.0 short time overload - 5 x rated power for 5 s operating temperature c - 65 to + 275 dielectric withstanding voltage v ac 1000 maximum working voltage v ( p x r ) 1/2 global part number information global part numbering example: cpsm0315r00jb31 global model value tolerance packaging special cpsm03 CPSM05 r = decimal k = thousand r1500 = 0.15 100r0 = 100 1k000 = 1 k h = 3.0 % j = 5.0 % k = 10 % e31 = lead(pb)-free, 4 layer bulk b31 =tin/lead, 4 layer bulk (dash number) (up to 3 digits) from 1 to 999 as applicable historical part numbering example: cpsm-3 15 5 % b31 cpsm-3 15 5 % b31 historical model resistance value tolerance code packaging cm031 s p 5r00jb31
cpsm www.vishay.com vishay dale revision: 22-dec-11 2 document number: 30106 for technical questions, contact: ww2aresistors@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 temperature rise derating l 0.080 [2.03] max. l 1 0.020 0.005 [0.508 0.127] w h w 1 a i b model dimensions in inches [millimeters] l 0.032 [0.813] w 0.031 [0.787] l 1 0.062 [1.57] w 1 + 0.032 [0.813] - 0.012 [0.305] h 0.031 [0.787] cpsm03 0.906 [23.01] 0.374 [9.50] 0.480 [12.19] 0.287 [7.29] 0.374 [9.50] CPSM05 1.060 [26.92] 0.374 [9.50] 0.590 [14.99] 0.287 [7.29] 0.374 [9.50] model solder pad dimensions in inches [millimeters] ab l cpsm03 0.420 [10.67] 0.340 [8.64] 0.380 [9.65] CPSM05 0.440 [11.18] 0.340 [8.64] 0.490 [12.45] 200 150 100 50 0 0 1.0 2.0 3.0 4.0 5.0 power in w cpsm0 3 cpsm0 5 temperature rise in c 120 100 80 60 40 20 0 - 65 - 25 25 75 125 175 225 275 ambient temperature in c 40 rated power in % material specifications element copper-nickel alloy or nickel-chrome alloy, depending on resistance value core woven fiberglass body steatite cerami c case with inorga nic potting compound terminals tin/lead plated steel (lead (pb)-free ve rsion will be 100 % tin) part marking dale, model, wattage, value, tolerance, date code performance test conditions of test test limits (eia rs-344) thermal shock - 55 c to + 165 c, 5 cy cles, 30 min dwell time (5.0 % + 0.05 ) r short time overload 5 x rated power for 5 s (4.0 % + 0.05 ) r dielectric withstanding voltage 1000 v rms for one min (2.0 % + 0.05 ) r low temperature operation - 65 c, full rated working voltage for 45 min (3.0 % + 0.05 ) r humidity 75 c, 90 % to 100 % rh, 240 h (5.0 % + 0.05 ) r load life 1000 h at rated power, + 40 c, 1.5 h on, 0.5 h off (10.0 % + 0.05 ) r resistance to solder heat + 260 c solder, 10 s to 12 s dwell, 25 mm/s emergence (4.0 % + 0.05 ) r
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