i f(av) rectangular 400 a waveform v rrm range 80 to 100 v i fsm @ tp = 5 s sine 25,500 a v f @ 200apk, t j =125c 0.69 v (per leg) t j range - 55 to 175 c characteristics 403cnq... units major ratings and characteristics the 403cnq center tap schottky rectifier module series has been optimized for low reverse leakage at high temperature. the proprietary barrier technology allows for reliable opera- tion up to 175 c junction temperature. typical applications are in high current switching power supplies, plating power supplies, ups systems, converters, free-wheeling diodes, welding, and reverse battery protection. 175 c t j operation center tap module high purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance low forward voltage drop high frequency operation guard ring for enhanced ruggedness and long term reliability description/features to-244ab schottky rectifier 400 amp 403cnq... series bulletin pd-2.214 rev. b 07/00 base anode 2 63.50 [2.500] 60.96 [2.400] 23.55 [.927] 20.42 [.804] 14.99 [.590] 15.75 [.620] 20.32 [.800] 17.78 [.700] 39.75 [1.565] 40.26 [1.585] 80.01 [3.150] 34.925 [1.375] 3.35 [.132] 3.02 [.119] 90.17 [3.550] 92.71 [3.650] 7.49 [.295] 6.99 [.275] 2x ? 10.41 [.410] 9.65 [.380] ? 4.70 [.185] 4.95 [.195] 1/4-20 slotted hex common cathode ref. terminal lug common cathode anode 1 terminal lug ? notes: 1. dimensions are shown in millimeters [inches]. 2. controlling dimension: millimeter modified jedec outline to-244ab dimensions in millimeters and (inches) 1
403cnq... series 2 bulletin pd-2.214 rev. b 07/00 www.irf.com part number 403CNQ080 403cnq100 v r max. dc reverse voltage (v) v rwm max. working peak reverse voltage (v) 80 100 voltage ratings absolute maximum ratings following any rated load condition and with rated v rrm applied a i f(av) max. average forward current 400 a 50% duty cycle @ t c = 105 c, rectangular wave form * see fig. 5 i fsm max. peak one cycle non-repetitive 25,500 5s sine or 3s rect. pulse surge current (per leg) * see fig. 7 3300 10ms sine or 6ms rect. pulse e as non-repetitive avalanche energy 15 mj t j = 25 c, i as = 1 amps, l = 30 mh (per leg) i ar repetitive avalanche current 1 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 (1) pulse width < 300s, duty cycle <2% t j max. junction temperature range -55 to 175 c t stg max. storage temperature range -55 to 175 c r thjc max. thermal resistance junction 0.20 c/w dc operation * see fig. 4 to case (per leg) r thjc max. thermal resistance junction 0.10 c/w dc operation to case (per package) r thcs typical thermal resistance, case 0.10 c/w mounting surface , smooth and greased to heatsink wt approximate weight 79 (2.80) g (oz.) t mounting torque base min. 40 (35) max. 58 (50) mounting torque center hole typ. 17 (15) terminal torque min. 58 (50) max. 86 (75) case style to - 244ab modified jedec thermal-mechanical specifications parameters 403cnq units conditions v fm max. forward voltage drop 0.83 v @ 200a (per leg) * see fig. 1 (1) 0.97 v @ 400a 0.69 v @ 200a 0.82 v @ 400a i rm max. reverse leakage current 6 ma t j = 25 c (per leg) * see fig. 2 (1) 80 ma t j = 125 c c t max. junction capacitance (per leg) 5500 pf v r = 5v dc , (test signal range 100khz to 1mhz) 25c l s typical series inductance (per leg) 5.0 nh from top of terminal hole to mounting plane dv/dt max. voltage rate of change 10,000 v/ s (rated v r ) t j = 25 c t j = 125 c v r = rated v r parameters 403cnq units conditions kg-cm (ibf-in) electrical specifications parameters 403cnq units conditions
403cnq... series 3 bulletin pd-2.214 rev. b 07/00 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) fig. 1 - max. forward voltage drop characteristics (per leg) .001 .01 .1 1 10 100 1000 0 20406080100 t = 175c 150c 125c 100c 75c 50c 25c j 1 10 100 1000 0.1.2.3.4.5.6.7.8.911.11.2 f t = 175c t = 125c t = 25c j j j f d v lt d v (v) 1000 10000 0 102030405060708090100110 t = 25c j .001 .01 .1 1 .00001 .0001 .001 .01 .1 1 10 100 d = 0.33 d = 0. 50 d = 0. 25 d = 0. 17 d = 0. 08 single pulse (therm al resi stance) 2 t 1 t p d m not es: 1. d uty factor d = t / t 2. peak t = p x z + t 1 jdm thjc c 2 reverse voltage - v r (v) reverse current - i r (ma) junction capacitance - c t (p f) reverse voltage - v r (v) instantaneous forward current - i f (a) forward voltage drop - v fm (v) t 1 , rectangular pulse duration (seconds) thermal impedance z thjc (c/w)
403cnq... series 4 bulletin pd-2.214 rev. b 07/00 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) 130 140 150 160 170 180 0 50 100 150 200 250 300 dc 403cnq r (d c) = 0.20c/w thjc 0 50 100 150 200 0 50 100 150 200 250 300 dc d = 0. 08 d = 0. 17 d = 0. 25 d = 0. 33 d = 0. 50 rm s li m it 1000 10000 100000 10 100 1000 10000 at any rated load condition and with rated v applied following surge rrm free-wheel d io d e 40hfl40s02 current monitor high-speed sw itch irfp460 l dut rg = 25 ohm vd = 25 volt + average forward current - i f(av) (a) allowable case temperature (c) average forward current - i f(av) (a) average power loss (watts) square wave pulse duration - t p (microsec) non-repetitive surge current - i fsm (a)
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