metal film resistors, industrial power, flameproof cpf vishay dale www.vishay.com for technical questions , contact: ff2bresistors@vishay.com document number: 31021 98 revision: 05-oct-05 features ? high power rating, small size ? flameproof. high temperature coating ? special filming and coating processes ? excellent high frequency characteristics ? low noise ? low voltage coefficient ? lead (pb)-free version is rohs compliant note: marking: print marked - dale, model, resistance va lue, tolerance/temperatur e coefficient, date code note: (1) rated voltage * 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 70 c w limiting element voltage max v ? resistance range 0.1 % - 1 % 0.1 % - 5 % 0.5 % - 5 % 1 % - 5 % 1 % 2 % - 5 % 25 ppm 50 ppm 100 ppm 150 ppm 200 ppm 200 ppm cpf1 cpf-1 1 250 5 - 150k 5 - 150k 1 - 150k r5 - 150k r5 - 150k r1 - 150k cpf2 cpf-2 2 350 5 - 150k 5 - 150k 1 - 150k r5 - 150k r5 - 150k r1 - 150k cpf3 cpf-3 3 500 8 - 150k 8 - 150k 1 - 150k 1 - 150k 1 - 150k r1 - 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 (1) v ? 250 350 500 insulation voltage v- 900 900 900 thermal resistance k/w 85 60 50 insulation resistance 10 10 category temperature range c - 65 c/+ 230 c p x r global part number information global model tolera n ce temperature code coefficie n t cpf1 b = 0.1 % e = 25 ppm e14 = lead (p b )-free, b u lk e36 = lead(p b )-free, t/r (f u ll) ee6 = lead (p b )-free, t/r (1000 pieces) b14 = tin/lead, b u lk b36 = tin/lead, t/r (f u ll) be6 = tin/lead, t/r (1000 pieces) cpf2 r = decimal k = tho u sand r10000 = 0.1 10r000 = 10 150k00 = 150 c = 0.25 % h = 50 ppm cpf d = 0.5 % k = 100 ppm f = 1 % l = 150 ppm 1 - 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 resista n ce v alue tolera n ce code temp. coefficie n t packagi n g blank = standard ( u p to 3 digits) special (dash nu m b er) from as applica b le packagi n g resista n ce v alue
cpf metal film resistors, i ndustrial power, flameproof vishay dale document number: 31021 for technical questi ons, contact: ff2bres istors@vishay.com www.vishay.com revision: 05-oct-05 99 notes: (1) 1.08 0.125 [27.43 3.18] if tape and reel ? surface temperatures were ta ken 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. dimensions 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 surface temperature (c) above ambient (c) 250 200 150 100 50 0 surface temperature vs. power 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 purity ceramic coatin g : special high temperature conformal coat termination: standard lead material is solder-coated solderable and weldable per mil-std-1276, type c mechanical specifications terminal stren g th: 2 pound pull test solderability: continuous satisfactory coverage when tested in accordance with mil-std-202, method 208 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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