80 amp 80cnq...a series bulletin pd-20038 rev. a 09/01 www.irf.com 1 i f(av) rectangular 80 a waveform v rrm range 35 to 45 v i fsm @ tp = 5 s sine 5800 a v f @ 40 apk, t j = 125c 0.47 v (per leg) t j range - 55 to 150 c characteristics 80cnq...a units major ratings and characteristics the 80cnq...a center tap schottky rectifier module series has been optimized for very low forward voltage drop, with moderate leakage. the proprietary barrier technology allows for reliable operation up to 150 c junction temperature. typical applications are in switching power supplies, convert- ers, free-wheeling diodes, and reverse battery protection. 150 c t j operation center tap module very low forward voltage drop high purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance high frequency operation guard ring for enhanced ruggedness and long term reliability new fully transfer-mould low profile, small footprint, high current package description/features schottky rectifier new geniii d-61 package case styles d61-8 80cnq...a 80cnq...asm 80cnq...asl d61-8-sm d61-8-sl
80cnq...a series bulletin pd-20038 rev. a 09/01 www.irf.com 2 i f(av) max. average forward (per leg) 40 a 50% duty cycle @ t c = 114 c, rectangular wave form current * see fig. 5 (per device) 80 i fsm max. peak one cycle non-repetitive 5800 5s sine or 3s rect. pulse surge current (per leg) * see fig. 7 750 10ms sine or 6ms rect. pulse e as non-repetitive avalanche energy 54 mj t j = 25 c, i as = 8 amps, l = 1.7 mh (per leg) i ar repetitive avalanche current 8 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 t j max. junction temperature range -55 to 150 c t stg max. storage temperature range -55 to 150 c r thjc max. thermal resistance junction 0.85 c/w dc operation * see fig. 4 to case (per leg) r thjc max. thermal resistance junction 0.42 c/w dc operation to case (per package) r thcs typical thermal resistance, case 0.30 c/w mounting surface , smooth and greased to heatsink (d61-8 only) device flatness < 5 mils wt approximate weight 7.8 (0.28) g (oz.) t mounting torque min. 40 (35) (d61-8 only) max. 58 (50) thermal-mechanical specifications kg -cm (ibf-in) v fm max. forward voltage drop 0.52 v @ 40a (per leg) * see fig. 1 (1) 0.66 v @ 80a 0.47 v @ 40a 0.61 v @ 80a i rm max. reverse leakage current 5 ma t j = 25 c (per leg) * see fig. 2 (1) 250 ma t j = 125 c v f(to) threshold voltage 0.26 v t j = t j max. r t forward slope resistance 3.93 m ? c t max. junction capacitance (per leg) 2600 pf v r = 5v dc , (test signal range 100khz to 1mhz) 25c l s typical series inductance (per leg) 5.5 nh measured lead to lead 5mm from package body dv/dt max. voltage rate of change 10000 v/ s (rated v r ) t j = 25 c t j = 125 c electrical specifications (1) pulse width < 300s, duty cycle <2% v r = rated v r absolute maximum ratings following any rated load condition and with rated v rrm applied parameters 80cnq units conditions a part number 80cnq035a 80cnq040a 80cnq045a v r max. dc reverse voltage (v) v rwm max. working peak reverse voltage (v) voltage ratings 35 40 45 parameters 80cnq units conditions parameters 80cnq units conditions
80cnq...a series 3 bulletin pd-20038 rev. a 09/01 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) instantaneous forward current - i f (a) forward voltage drop - v fm (v) reverse current - i r (ma) reverse voltage - v r (v) reverse voltage - v r (v) junction capacitance - c t (p f) thermal impedance - z thjc (c/w) t 1 , rectangular pulse duration (seconds) 100 1000 10000 0 1020304050 t = 25?c j 0.01 0.1 1 0.00001 0.0001 0.001 0.01 0.1 1 10 100 single pulse (thermal resistance) d = 0.75 d = 0.50 d = 0.33 d = 0.25 d = 0.20 2 t 1 t p dm notes: 1. duty factor d = t 1 / t 2 2. peak tj = pdm x zthjc + tc 0.01 0.1 1 10 100 1000 0 5 10 15 20 25 30 35 40 45 125 ? c 100 ? c 75 ? c 50 ? c 25 ? c tj = 150 ? c 1 10 100 1000 0 0.2 0.4 0.6 0.8 1 1.2 t = 150 ? c t = 125 ? c t = 25 ? c j j j
80cnq...a series bulletin pd-20038 rev. a 09/01 www.irf.com 4 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) (2) formula used: t c = t j - (pd + pd rev ) x r thjc ; pd = forward power loss = i f(av) x v fm @ (i f(av) / d) (see fig. 6); pd rev = inverse power loss = v r1 x i r (1 - d); i r @ v r1 = 80% rated v r free-wheel diode 40hfl40s02 c urrent m onitor high-speed switch irfp460 l dut rg = 25 ohm vd = 25 volt + allowable case temperature (c) average forward current - i f(av) (a) average power loss (watts) average forward current - i f(av) (a) non-repetitive surge current - i fsm (a) square wave pulse duration - t p (microsec) 80 00 20 40 60 0 102030405060 dc see note (2) square wave (d = 0.50) 80% rated vr applied 100 1000 10000 10 100 1000 10000 at any rated load condition and with rated vrrm applied following surge fig. 7 - max. non-repetitive surge current (per leg) 0 5 10 15 20 25 30 0 102030405060 dc rms limit d = 0.20 d = 0.25 d = 0.33 d = 0.50 d = 0.75
80cnq...a series 5 bulletin pd-20038 rev. a 09/01 www.irf.com outline table outline d61-8-sm dimensions are in millimeters and (inches) outline d61-8 dimensions are in millimeters and (inches)
80cnq...a series bulletin pd-20038 rev. a 09/01 www.irf.com 6 outline table outline d61-8-sl dimensions are in millimeters and (inches)
80cnq...a series 7 bulletin pd-20038 rev. a 09/01 www.irf.com part marking information d61-8 d61-8-sm d61-8-sl this is a 80cnq045a with lot code 89 09 assembled on ww 45, 2000 in the assembly line "a" assembly lot code international rectifier logo part number date code year 0 = 2000 week 45 line a 80cnq045a 89 09 045a this is a 80cnq045asm with lot code 89 09 assembled on ww 45, 2000 in the assembly line "a" assembly lot code international rectifier logo part number date code year 0 = 2000 week 45 line a 80cnq045asm 89 09 045a this is a 80cnq045asl with lot code 89 09 assembled on ww 45, 2000 in the assembly line "a" assembly lot code international rectifier logo part number date code year 0 = 2000 week 45 line a 80cnq045asl 89 09 045a
80cnq...a series bulletin pd-20038 rev. a 09/01 www.irf.com 8 ir world headquarters: 233 kansas st., el segundo, california 90245, usa tel: (310) 252-7105 tac fax: (310) 252-7309 visit us at www.irf.com for sales contact information. 09/01 data and specifications subject to change without notice. this product has been designed and qualified for industrial level. qualification standards can be found on ir's web site.
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