cpw, cpwn www.vishay.com vishay dale revision: 09-jan-12 1 document number: 30216 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, axial lead features ? high power to size ratio ? ceramic cases are available with circuit board stand-offs (designated with a -3 model ending) ? superior surge capability ? complete welded construction ? available in non-inductive styles with aryton- perry winding (cpwn in lieu of cpw, maximum resistance is one-half cpw range) ? special inorganic potting compound and ceramic case provide high thermal conductivity in a fireproof package ? 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 cpw02 cpw-2 2 0.1 to 7k 1, 2, 3, 5 2.0 cpw02...3 cpw-2-3 2 0.1 to 7k 1, 2, 3, 5 2.2 cpw03 cpw-3 3 0.1 to 7.5k 1, 2, 3, 5 3.4 cpw03...3 cpw-3-3 3 0.1 to 7.5k 1, 2, 3, 5 3.6 cpw05 cpw-5 5 0.1 to 8.5k 1, 2, 3, 5 4.8 cpw05...3 cpw-5-3 5 0.1 to 8.5k 1, 2, 3, 5 5.0 cpw07 cpw-7 7 0.1 to 18k 1, 2, 3, 5 6.8 cpw07...3 cpw-7-3 7 0.1 to 18k 1, 2, 3, 5 7.0 cpw10 cpw-10 10 0.12 to 30k 1, 2, 3, 5 9.5 cpw10...3 cpw-10-3 10 0.12 to 30k 1, 2, 3, 5 9.9 cpw15 cpw-15 15 0.12 to 30k 1, 2, 3, 5 16.8 cpw15...3 cpw-15-3 15 0.12 to 30k 1, 2, 3, 5 17.4 cpw20 cpw-20 20 0.18 to 45k 1, 2, 3, 5 22.8 cpw20...3 cpw-20-3 20 0.18 to 45k 1, 2, 3, 5 23.6 technical specifications parameter unit cpw resistor characteristics temperature coefficient ppm/c 30 for 10 ? and above; 50 for 1.0 ? to 9.9 ? ; 90 for 0.5 ? to 0.99 ? short time overload - 5 x rated power for 5 s maximum working voltage v ( p x r ) 1/2 operating temperature range c - 65 to + 275 terminal strength lb 10 minimum dielectric withstanding voltage v ac 1000 global part number information global part numbering example: cpw0515r00jb313 global model value tolerance packaging special (see standard electrical specifications global model column for options) r = decimal k = thousand r1500 = 0.15 ? 1k500 = 1500 ? d = 0.5 % f = 1.0 % g = 2.0 % h = 3.0 % j = 5.0 % k = 10.0 % e14 = lead (pb)-free bulk e31 = lead (pb)-fr ee four layer bulk e01 = lead (pb)-free skin pack (dash number) (up to 3 digits) from 1 to 999 as applicable b14 = tin/lead bulk b31 = tin/lead fo ur layer bulk j01 = tin/lead skin pack historical part numbering example: cpw-5-3 15 ? 5 % b31 cpw-5-3 15 ? 5 % b31 historical model resistance value tolerance code packaging pw0515r 00jb3 1 c 3
cpw, cpwn www.vishay.com vishay dale revision: 09-jan-12 2 document number: 30216 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 in inches [millimeters] note (1) potting compound may extend ou tside of ceramic case up to 0.060 [1.52] maximum per side. material specifications element: copper-nickel alloy or nickel-chrome alloy, depending on resistance value core: ceramic end caps: tin plated steel body: steatite ceramic case with inorganic potting compound terminals: tinned copperweld ? part marking: dale, model, wattage, value, tolerance, date code derating global model dimensions in inches [millimeters] a (1) 0.031 [0.794] b 0.031 [0.794] c 0.031 [0.794] d 0.031 [0.794] e 0.001 [0.025] cpw02 0.688 [17.46] 0.250 [6.35] 0.250 [6.35] - 0.032 [0.813] cpw02...3 0.688 [17.46] 0.250 [6.35] 0.250 [6.35] 0.313 [7.94] 0.032 [0.813] cpw03 0.875 [22.22] 0.313 [7.94] 0.313 [7.94] - 0.032 [0.813] cpw03...3 0.875 [22.22] 0.313 [7.94] 0.313 [7.94] 0.375 [9.52] 0.032 [0.813] cpw05 0.875 [22.22] 0.375 [9.52] 0.344 [8.73] - 0.032 [0.813] cpw05...3 0.875 [22.22] 0.375 [9.52] 0.344 [8.73] 0.406 [10.32] 0.032 [0.813] cpw07 1.391 [35.32] 0.375 [9.52] 0.344 [8.73] - 0.032 [0.813] cpw07...3 1.391 [35.32] 0.375 [9.52] 0.344 [8.73] 0.469 [11.91] 0.032 [0.813] cpw10 1.875 [47.62] 0.375 [9.52] 0.344 [8.73] - 0.032 [0.813] cpw10...3 1.875 [47.62] 0.375 [9.52] 0.344 [8.73] 0.469 [11.91] 0.032 [0.813] cpw15 1.875 [47.62] 0.500 [12.70] 0.500 [12.70] - 0.032 [0.813] cpw15...3 1.875 [47.62] 0.500 [12.70] 0.500 [12.70] 0.625 [15.87] 0.032 [0.813] cpw20 2.500 [63.50] 0.500 [12.70] 0.500 [12.70] - 0.032 [0.813] cpw20...3 2.500 [63.50] 0.500 [12.70] 0.500 [12.70] 0.625 [15.87] 0.032 [0.813] cpwxx c b a 1.0 [25.4] min. e b cpwxx...3 a 1.0 [25.4] min. c d e 0.125 [3.18] typical rated power in % - 65 - 25 25 75 125 175 225 275 ambient temperature in c 120 100 80 60 40 20 0 40 performance test conditions of test test limits (eia rs-344) thermal shock - 55 c to + 275 c, 5 cy cles, 30 min dwell time (2.0 % + 0.05 ? ) ? r short time overload 5 x rated power for 5 s (2.0 % + 0.05 ? ) ? r dielectric withstanding 1000 v rms for 1 min (0.1 % + 0.05 ? ) ? r low temperature storage - 65 c, full rate d working voltage for 45 min (2.0 % + 0.05 ? ) ? r bias humidity 75 c, 90 % to 100 % rh, 240 h (2.0 % + 0.05 ? ) ? r load life 1000 h at rated power, + 40 c, 1.5 h on, 0.5 h off (3.0 % + 0.05 ? ) ? r terminal strength 5 s to 10 s 10 pound pu ll test, torsion te st - 3 alternating directions, 360 each (1.0 % + 0.05 ? ) ? r resistance to solder heat terminal immersed 3.5 s in mo lten solder at 1/8" to 3/16" from body (1.0 % + 0.05 ? ) ? r
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