cp vishay dale www.vishay.com 32 document number 30213 revision 07-aug-03 for technical questions, contact ww2aresistors@vishay .com features high performance for low cost meets or exceeds requirements of eia standard rs-344 high power to size ratio ceramic cases are available with circuit board stand-offs (designated with a - 3 model ending) special inorganic potting compound and ceramic case provide high thermal conductivity in a fireproof package ordering information cp-5-3 100 ? 10% model resistance tolerance ? % wirewound/metal oxide resistors, commercial power, axial lead *to specifically order a wirewound sub-assembly for resistance values that overlap between the wirewound and metal oxide techno logies, the model will be a cp-x-85 for standard body and cp-x-91 for body with stand-offs. to specifically order a metal oxide sub-assemb ly for resistance values that overlap between the wirewound and metal oxide technologies, the model will be a cp-x-100 for a standard body and cp-x-101 for body with stand-offs. if no dash type is specified, either technology may be supplied. note: wirewound cp resistors can reliably function as a fuse and as a resistor. such components involve compromise between fusing and resistive functions; therefore, each design should be tailored to the application to ensure optimum performance. contact facto ry by using the e-mail address at the bottom of this page for design assistance. technical specifications parameter unit wirewound characteristics metal oxide characteristics temperature coefficient ppm/ c 600 below 1 ? , 300 1 ? and above 300 for cp-2 to cp-5; 400 for cp-7 to cp-20 short time overload - 5 x rated power for 5 seconds 5 x rated power for 5 seconds terminal strength lb 10 minimum 10 minimum operating temperature range c - 65/+ 275 - 65/+ 225 dielectric withstanding voltage v ac 1000 1000 maximum working voltage v (p x r) 1/2 (p x r) 1/2 standard electrical specifications model power rating resistance range weight p 40 c ? (typical) 10% standard, 5% available w wirewound* metal oxide* g cp-2 2 0.1 - 1k 100 - 12k 2.0 cp-2-3 2 0.1 - 1k 100 - 12k 2.2 cp-3 3 0.1 - 2k 150 - 22k 3.4 cp-3-3 3 0.1 - 2k 150 - 22k 3.6 cp-5 5 0.1 - 2.4k 150 - 27k 4.8 cp-5-3 5 0.1 - 2.4k 150 - 27k 5.0 cp-7 7 0.1 - 5k 1k - 35k 6.8 cp-7-3 7 0.1 - 5k 1k - 35k 7.0 cp-10 10 0.1 - 7k 1k - 40k 9.5 cp-10-3 10 0.1 - 7k 1k - 40k 9.9 cp-15 15 0.1 - 8k 1k - 40k 16.8 cp-15-3 15 0.1 - 8k 1k - 40k 17.4 cp-20 20 0.1 - 10k 1k - 45k 22.8 cp-20-3 20 0.1 - 10k 23.6 cp-22 22 0.1 - 10k 24.5 cp-22-3 22 0.1 - 10k 25.3 cp-25 25 0.1 - 10k 37.0
www.vishay.com 33 cp vishay dale document number 30213 revision 07-aug-03 for technical questions, contact ww2aresistors@vishay .com dimensions cp-x-3 0.125 [3.18] typical f typical a c b d e cp-x f typical e b c a model dimensions in inches [millimeters] a*bcd e f 0.031 0.031 0.031 0.031 0.001 wire- metal [0.794] [0.794] [0.794] [0.794] [0.025] wound oxide wire- metal 0.125 wound oxide [3.175] minimum cp-2 0.688 0.250 0.250 0.032 0.032 1.500 0.750 [17.46] [6.35] [6.35] [0.813] [0.813] [38.10] [19.05] cp-2-3 0.688 0.250 0.250 0.313 0.032 0.032 1.500 0.750 [17.46] [6.35] [6.35] [7.94] [0.813] [0.813] [38.10] [19.05] cp-3 0.875 0.313 0.313 0.036 0.032 1.500 1.000 [22.22] [7.94] [7.94] [0.914] [0.813] 38.10] [25.40] cp-3-3 0.875 0.313 0.313 0.375 0.036 0.032 1.500 1.000 [22.22] [7.94] [7.94] [9.52] [0.914] [0.813] [38.10] [25.40] cp-5 0.875 0.375 0.344 0.036 0.032 1.500 1.000 [22.22] [9.52] [8.73] [0.914] [0.813] [38.10] [25.40] cp-5-3 0.875 0.375 0.344 0.406 0.036 0.032 1.500 1.000 [22.22] [9.52] [8.73] [10.32] [0.914] [0.813] [38.10] [25.40] cp-7 1.391 0.375 0.344 0.036 0.032 1.500 1.000 [35.32] [9.52] [8.73] [0.914] [0.813] [38.10] [25.40] cp-7-3 1.391 0.375 0.344 0.469 0.036 0.032 1.500 1.000 [35.32] [9.52] [8.73] [11.91] [0.914] [0.813] [38.10] [25.40] cp-10 1.875 0.375 0.344 0.036 0.032 1.500 1.000 [47.62] [9.52] [8.73] [0.914] [0.813] [38.10] [25.40] cp-10-3 1.875 0.375 0.344 0.469 0.036 0.032 1.500 1.000 [47.62] [9.52] [8.73] [11.91] [0.914] [0.813] [38.10] [25.40] cp-15 1.875 0.500 0.500 0.036 0.032 1.500 1.000 [47.62] [12.70] [12.70] [0.914] [0.813] [38.10] [25.40] cp-15-3 1.875 0.500 0.500 0.625 0.036 0.032 1.500 1.000 [47.62] [12.70] [12.70] [15.87] [0.914] [0.813] [38.10] [25.40] cp-20** 2.500 0.500 0.500 0.036 0.032 1.500 1.000 [63.50] [12.70] [12.70] [0.914] [0.813] [38.10] [25.40] cp-20-3 2.500 0.500 0.500 0.625 0.036 1.500 [63.50] [12.70] [12.70] [15.87] [0.914] [38.10] cp-22 2.500 0.500 0.500 0.036 1.500 [63.50] [12.70] [12.70] [0.914] [38.10] cp-22-3 2.500 0.500 0.500 0.625 0.036 1.500 [63.50] [12.70] [12.70] [15.87] [0.914] [38.10] cp-25 2.500 0.625 0.625 0.040 1.500 [63.50] [15.87] [15.87] [1.016] [38.10] wirewound/metal oxide resistors, commercial power, axial lead material specifications element: wirewound = copper-nickel alloy or nickel-chrome alloy, depending on resistance value metal oxide = high temperature fired metal oxide film core: wirewound = woven fiberglass metal oxide = alumina ceramic body: steatite ceramic case with inorganic potting compound end caps: tin plated steel terminals: tinned copper part marking: dale, model, wattage, value, tolerance, date code performance test conditions of test test limits (eia rs-344) thermal shock -55 c to + 275 c (+225 c for metal oxide), 5 cycles, 30 minute dwell time (5.0% + 0.05 ? ) ? r short time overload 5 x rated power for 5 seconds (4.0% + 0.05 ? ) ? r dielectric withstanding voltage 1000v rms for one minute (2.0% + 0.05 ? ) ? r low temperature operation - 65 c, full rated working voltage for 45 minutes (3.0% + 0.05 ? ) ? r humidity 75 c, 90% - 100% rh, 240 hours (5.0% + 0.05 ? ) ? r load life 1000 hours at rated power, + 25 c, 1.5 hours "on", 0.5 hours "off" (10.0% + 0.05 ? ) ? r terminal strength 5 pounds for 30 seconds; body twisted about axis, 3 360 rotations (2.0% + 0.05 ? ) ? r resistance to solder heat terminal immersed 3.5 seconds in molten solder at 1/8" to 3/16" from body (4.0% + 0.05 ? ) ? r *potting compound may extend outside of ceramic case up to 0.060" [1.52] maximum per side. **dimensions for the metal oxide a = 2.360 [59.94], b = 0.570 [14.48], c = 0.530 [13.46], e = 0.032 [0.813], f = 1.000 [25.40] derating 120 100 80 60 40 20 0 rated power in % -65 -25 25 75 125 175 225 275 ambient temperature in c wirewound metal oxide 40
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