cpf www.vishay.com vishay dale revision: 19-nov-12 1 document number: 31021 for technical questions, contact: ff2aresistors@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 metal film resistors, industrial power, precision, flameproof features ? high power rating, small size ? flameproof, high te mperature coating ? special filming and coating processes ? excellent high frequency characteristics ?low noise ? low voltage coefficient ? material categorization: ? for definitions of compliance please see www.vishay.com/doc?99912 note ? * lead (pb)-containing terminations are not rohs-compliant. ? exemptions may apply. note (1) continuous working voltage shall be or maximum working voltage, whichever is less. note (2) rated voltage note ? for additional information on packaging, refer to the through-hole resistor packaging document ( www.vishay. com/doc?31544 ). standard electrical specifications global ? model historical model power rating p 70 c w maximum working voltage (1) v resistance range ? 0.1 % to 1 % 0.1 % to 5 % 0.5 % to 5 % 1 % to 5 % 1 % 2 % to 5 % 25 ppm /c 50 ppm /c 100 ppm /c 150 ppm /c 200 ppm /c 200 ppm /c cpf1 cpf-1 1 250 5 to 150k 5 to 150k 1 to 150k 0.5 to 150k 0.5 to 150k 0.1 to 150k cpf2 cpf-2 2 350 5 to 150k 5 to 150k 1 to 150k 0.5 to 150k 0.5 to 150k 0.1 to 150k cpf3 cpf-3 3 500 8 to 150k 8 to 150k 1 to 150k 1 to 150k 1 to 150k 0.1 to 150k temperature coefficient codes global tc code historical tc code temperature coefficient e t-9 25 ppm/c h t-2 50 ppm/c k t-1 100 ppm/c l t-0 150 ppm/c n t-00 200 ppm/c technical specifications parameter unit cpf1 cpf2 cpf3 rated dissipation at 70 c w 1 2 3 limiting element voltage (2) v ? 250 350 500 insulation voltage v eff 900 900 900 thermal resistance k/w 85 60 50 insulation resistance ? 10 10 category temperature ra nge c - 65 c/+ 230 c global part number information p x r p x r global model tolerance code cpf1 b = 0.1 % e = 25 ppm e14 = lead (pb)-free, bulk e36 = lead(pb)-free, t/r (full) ee6 = lead (pb)-free, t/r (1000 pieces) b14 = tin/lead, bulk r36 = tin/lead, t/r (full) re6 = tin/lead, t/r (1000 pieces) cpf2 r = k = k r10000 = 0.1 10r000 = 10 150k00 = 150 k c = 0.25 % h = 50 ppm cpf3 d = 0.5 % k = 100 ppm f = 1 % l = 150 ppm 1 to 999 g = 2 % n = 200 ppm j = 5 % new global part numbering: cpf1562r00fkr36 (preferred part numbering format) cpf1562r00fkr36 historical part number example: cpf-15620ft-1 r36 (will continue to be accepted) 6 3 r 1 - t f 0 2 6 5 1 - f p c historical model resistance value tolerance code temp. coefficient packaging blank = standard (up to 3 digits) special (dash number) from as applicable packaging resistance value temperature coefficient
cpf www.vishay.com vishay dale revision: 19-nov-12 2 document number: 31021 for technical questions, contact: ff2aresistors@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 notes (1) lead length for product in bulk pack. for product supplied in tape and reel, the actual lead le ngth would be based on the body size, tape spacing and lead trim. ? surface temperatures were taken with an infrared pyrometer in ? + 25 c still air. resistors were supported by their leads in test clips at a point 0.500" (12.70 mm) out from the resistor body ends. l 1 max. l d 1.50 0.125 (1) [38.10 3.18] d global model dimensions in inches (millimeters) ldl 1 max. d cpf1 0.240 0.020 (6.10 0.51) 0.090 0.008 (2.29 0.20) 0.310 (7.87) 0.025 0.002 (0.64 0.05) cpf2 0.344 0.031 (8.74 0.79) 0.145 0.015 (3.68 0.38) 0.425 (10.80) 0.032 0.002 (0.81 0.05) cpf3 0.555 0.041 (14.10 1.04) 0.180 0.015 (4.57 0.381) 0.650 (16.51) 0.032 0.002 (0.81 0.05) derating % ra ted power heat rise (c above ambient) 250 200 150 100 50 0 thermal resistance 01 2345 applied power in w 120 100 80 60 40 20 0 - 55 - 25 0 30 60 90 120 150 180 210 240 ambient temp. in c 70 cpf1 cpf2 cpf3 material specifications element proprietary nickel-chrome alloy core cleaned high pu rity ceramic coating special high temperature conformal coat termination standard lead material is solder-coated solderable and weldable per mil-std-1276, type c mechanical specifications terminal strength 2 pound pull test solderability continuous satisf actory coverage when tested in accordance with mil-std-202, method 208 marking temperature coefficient: t00 = 200 ppm, t0 = 150 ppm, t1 = 100 ppm, t2 = 50 ppm, t9 = 25 ppm cpf1, cpf2, cpf3: (5 lines) dale manufacturers name cpf-1 style and size 49.9 k ? value 1 % t2 tolerance and tc 1208 4-digit date code performance test max. ? r (typical test lots) thermal shock 1.0 % short time overload 0.5 % low temperature operation 0.5 % moisture resistance 1.5 % resistance to soldering heat 0.5 % shock 0.5 % vibration 0.5 % terminal strength 0.5 % dielectric withstanding voltage 0.5 % life 2.0 %
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