wirewound resistors, commercial power, axial lead cpw, cpwn vishay dale www.vishay.com for technical questions , contact: ww2aresistors@vishay.com document number: 30216 32 revision: 16-feb-06 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 * pb containing terminations are not rohs compliant, exemptions may apply a v aila b le p b -free rohs* compliant e3 standard electrical specifications global model historical model power rating p 40 c w resistance range 1 %, 2 %, 3 %, 5 % weight (typical) g cpw02 cpw-2 2 0.1 - 7k 2.0 cpw02...3 cpw-2-3 2 0.1 - 7k 2.2 cpw03 cpw-3 3 0.1 - 7.5k 3.4 cpw03...3 cpw-3-3 3 0.1 - 7.5k 3.6 cpw05 cpw-5 5 0.1 - 8.5k 4.8 cpw05...3 cpw-5-3 5 0.1 - 8.5k 5.0 cpw07 cpw-7 7 0.1 - 18k 6.8 cpw07...3 cpw-7-3 7 0.1 - 18k 7.0 cpw10 cpw-10 10 0.12 - 30k 9.5 cpw10...3 cpw-10-3 10 0.12 - 30k 9.9 cpw15 cpw-15 15 0.12 - 30k 16.8 cpw15...3 cpw-15-3 15 0.12 - 30k 17.4 cpw20 cpw-20 20 0.18 - 45k 22.8 cpw20...3 cpw-20-3 20 0.18 - 45k 23.6 technical specifications parameter unit cpw resistor characteristics temperature coefficient ppm/c 90 below 1.0 , 50 for 1.0 to 9.9 , 30 for 10 and above short time overload - 5 x rated power for 5 s maximum working voltage v ( p 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 new global part numbering: cpw0515r00jb313 (preferred part number format) 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)-free four layer bulk e01 = lead (pb)-free skin pack (dash number) (up to 3 digits) from 1 - 999 as applicable b14 = tin/lead bulk b31 = tin/lead four layer bulk j01 = tin/lead skin pack historical part number example: cpw-5-3 15 5 % b31 (will continue to be accepted) cpw-5-3 15 5 % b31 historical model resistance value tolerance code packaging pw0515r 00jb3 1 c 3
cpw, cpwn wirewound resistors, commer cial power, axial lead vishay dale document number: 30216 for technical ques tions, contact: ww2ares istors@vishay.com www.vishay.com revision: 16-feb-06 33 dimensions in inches [millimeters] note (1) potting compound may extend outside 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 cpwxx c b a 1.0 [25.4] minimum e b cpwxx...3 a 1.0 [25.4] minimum c d e 0.125 [3.18] typical 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] derating rated power in % - 65 - 25 25 75 125 175 225 275 ambient temperature in c 120 100 8 0 60 40 20 0 40 performance test conditions of test test limits (eia rs-344) thermal shock - 55 c to + 275 c, 5 cycles, 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 voltage 1000 v rms for 1 min (0.1 % + 0.05 ) r low temperature storage - 65 c, full rated working voltage for 45 min (2.0 % + 0.05 ) r bias humidity 75 c, 90 % - 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 to 10 s 10 pound pull test, torsion test - 3 alternating directions, 360 each (1.0 % + 0.05 ) r resistance to solder heat terminal immersed 3.5 s in molten solder at 1/8" to 3/16" from body (1.0 % + 0.05 ) r
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