schottky rectifier 60 amp 60cdq... series www.irf.com 1 pd-2.245 rev. a 12/97 conforms to jedec outline to-204ae(modified to-3) case style and dimensions i f(av) rectangular 60 a waveform v rrm 35 to 45 v i fsm @ tp = 5 s sine 2300 a v f @ 30 apk, t j = 125c 0.62 v (per leg) t j - 65 to 175 c characteristics 60cdq... units description/features the 60cdq center tap schottky rectifier series has been optimized for low reverse leakage at high temperature. the proprietary barrier technology allows for reliable operation up to 175 c junction temperature. typical applications are in switching power supplies, converters, free-wheeling diodes, and reverse battery protection. 175 c t j operation center tap to-3 package low forward voltage drop high frequency operation guard ring for enhanced ruggedness and long term reliability hermetic packaging dimensions in millimeters and inches major ratings and characteristics
60cdq... series 2 pd-2.245 rev. a 12/97 www.irf.com part number 60cdq035 60CDQ040 60cdq045 v r max. dc reverse voltage (v) v rwm max. working peak reverse voltage (v) voltage ratings 35 40 45 absolute maximum ratings parameters 60cdq units conditions i f(av) max. average forward current 60 a 50% duty cycle @ t c = 112 c, rectangular wave form * see fig. 5 i fsm max. peak one cycle non-repetitive 2300 5s sine or 3s rect. pulse surge current (per leg) * see fig. 7 420 10ms sine or 6ms rect. pulse e as non-repetitive avalanche energy 40 mj t j = 25 c, i as = 6 amps, l = 2.2 mh (per leg) i ar repetitive avalanche current 6 a current decaying linearly to zero in 1 sec (per leg) frequency limited by t j max. v a = 1.5 x v r typical a v fm max. forward voltage drop 0.67 v @ 30a (per leg) * see fig. 1 (1) 0.87 v @ 60a 0.62 v @ 30a 0.80 v @ 60a i rm max. reverse leakage current 2.5 ma t j = 25 c (per leg) * see fig. 2 (1) 25 ma t j = 125 c c t max. junction capacitance (per leg) 1400 pf v r = 5v dc , (test signal range 100khz to 1mhz) 25c l s typical series inductance (per leg) 10.0 nh measured mounting plane to lead 5mm from package body dv/dt max. voltage rate of change 10,000 v/ s (rated v r ) t j = 25 c t j = 125 c electrical specifications v r = rated v r parameters 60cdq units conditions (1) pulse width < 300s, duty cycle <2% t j max. junction temperature range -65 to 175 c t stg max. storage temperature range -65 to 175 c r thjc max. thermal resistance junction 2.20 c/w dc operation * see fig. 4 to case (per leg) r thjc max. thermal resistance junction 1.10 c/w dc operation to case (per package) r thcs typical thermal resistance, case 0.20 c/w mounting surface , smooth and greased to heatsink wt approximate weight 11.4(0.40) g (oz.) t mounting torque min. 12(10) max. 17(15) case style to-204ae (to-3) modified jedec thermal-mechanical specifications kg-cm (ibf-in) parameters 60cdq units conditions following any rated load condition and with rated v rrm applied
60cdq... series 3 pd-2.245 rev. a 12/97 www.irf.com fig. 2 - typical values of reverse current vs. reverse voltage (per leg) fig. 3 - typical junction capacitance vs. reverse voltage (per leg) fig. 4 - max. thermal impedance z thjc characteristics (per leg) .0001 .001 .01 .1 1 10 100 1000 0 5 10 15 20 25 30 35 40 4 5 r r t = 175 c 150c 125c 100c 75c 50c 25c j reverse vol t age - v ( v) r everse current - i (ma) 100 1000 10000 0 102030405 0 t = 25 c j reverse voltage - v (v) r t junction capacitance - c (pf) .001 .01 .1 1 10 .00001 .0001 .001 .01 .1 1 10 10 0 d = 0. 33 d = 0. 50 d = 0. 25 d = 0. 17 d = 0. 08 1 thjc t , r ectangular pulse duration (seconds) thermal impedance - z ( c /w ) single pulse (therm al resistance) 2 t 1 t p d m not es: 1. d uty factor d = t / t 2. peak t = p x z + t 1 jdmthjc c 2 .1 1 10 100 1000 0.2.4.6.811.21.41. 6 fm f instantaneous forward current - i (a) t = 175 c t = 125c t = 25c j j j forwar d vol t age dr op - v (v) fig. 1 - max. forward voltage drop characteristics (per leg)
60cdq... series 4 pd-2.245 rev. a 12/97 www.irf.com fig. 7 - max. non-repetitive surge current (per leg) fig. 5 - max. allowable case temperature vs. average forward current (per leg) fig. 8 - unclamped inductive test circuit fig. 6 - forward power loss characteristics (per leg) 0 5 10 15 20 25 30 0 5 10 15 20 25 30 35 40 4 5 d c aver age power loss - (w atts) f(av) d = 0.08 d = 0.17 d = 0.25 d = 0.33 d = 0.50 rm s li mi t average forwar d c urrent - i (a) 100 120 140 160 180 0 102030405 0 d c al l owabl e case tem perature - ( c) average forward current - i (a) f(av) 60cdq r (dc ) = 2.20 c /w thjc free-wheel diode 40hfl40s02 current monitor high-speed switch irfp460 l dut rg = 25 ohm vd = 25 volt + 100 1000 10000 10 100 1000 10000 fsm p non-repetitive surge current - i (a) at any rated load condition and with rated v applied following surge rrm square wave pul se duration - t (microsec)
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