i f(av) rectangular 200 a waveform v rrm range 80 to 100 v i fsm @ tp = 5 s sine 16,000 a v f @ 100apk, t j =125c 0.70 v (per leg) t j range - 55 to 175 c characteristics 203DNQ... units major ratings and characteristics the 203DNQ schottky rectifier doubler module 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 high current switching power supplies, plating power supplies, ups systems, converters, free-wheeling diodes, welding, and reverse battery protection. 175 c t j operation 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 modified jedec outline to-244ab dimensions in millimeters and (inches) 200 amp 203DNQ... series bulletin pd-20580 rev. b 10/02 schottky rectifier to-244ab isolated doubler 1 www.irf.com
203DNQ... series 2 bulletin pd-20580 rev. b 10/02 www.irf.com v fm max. forward voltage drop 0.86 v @ 100a (per leg) * see fig. 1 (1) 1.03 v @ 200a 0.70 v @ 100a 0.84 v @ 200a i rm max. reverse leakage current 3 ma t j = 25 c (per leg) * see fig. 2 (1) 40 ma t j = 125 c v f(to) threshold voltage 0.50 v t j = t j max. r t forward slope resistance 1.08 m ? c t max. junction capacitance (per leg) 2,650 pf v r = 5v dc (test signal range 100khz to 1mhz) 25c l s typical series inductance (per leg) 7.0 nh from top of terminal hole to mounting plane dv/dt max. voltage rate of change 10000 v/ s (rated v r ) i f(av) max. average forward 200 a 50% duty cycle @ t c = 136 c, rectangular wave form current * see fig. 5 (per device) i fsm max. peak one cycle non-repetitive 16,000 5s sine or 3s rect. pulse surge current (per leg) * see fig. 7 2,100 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 part number 203DNQ080 203DNQ100 v r max. dc reverse voltage (v) 80 100 v rwm max. working peak reverse voltage (v) voltage ratings absolute maximum ratings following any rated load condition and with rated v rrm applied a parameters 203DNQ units conditions t j = 25 c t j = 125 c v r = rated v r electrical specifications (1) pulse width < 300s, duty cycle <2% parameters 203DNQ units conditions 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 0.40 c/w dc operation * see fig. 4 to case (per leg) r thjc max. thermal resistance junction 0.20 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 min. 24 (20) max. 35 (30) mounting torque center hole typ. 13.5 (12) terminal torque min. 35 (30) max. 46 (40) case style to - 244ab isolated modified jedec thermal-mechanical specifications kg-cm (ibf-in) parameters 203DNQ units conditions
203DNQ... series 3 bulletin pd-20580 rev. b 10/02 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) junction capacitance - c t (p f) reverse voltage - v r (v) thermal impedance z thjc (c/w) t 1 , rectangular pulse duration (seconds) 1 10 100 1000 0 0.2 0.4 0.6 0.8 1 1.2 1.4 t = 175?c t = 125?c t = 25?c j j j 0 .001 0.01 0.1 1 10 100 1000 0 20406080100 125 ? c 75 ? c 50 ? c 25 ? c t = 175 ? c j 150 ? c 100 ? c 0.001 0.01 0.1 1 0.00001 0.0001 0.001 0.01 0.1 1 10 single pulse (thermal resistance) d = 0.75 d = 0.50 d = 0.33 d = 0.25 notes: 1. duty factor d = t1/ t2 2. peak tj = pdm x zthjc + tc d = 0.20 2 t 1 t p dm
203DNQ... series 4 bulletin pd-20580 rev. b 10/02 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) free-wheel diode 40hfl40s02 current monitor high-speed switch irfp460 l dut rg = 25 ohm vd = 25 volt + (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 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) 1000 10000 00000 10 100 1000 10000 at any rated load condition and with rated vrrm applied following surge 0 50 00 50 00 50 0 50 100 150 200 250 300 dc rms limit d = 0.75 d = 0.50 d = 0.33 d = 0.25 d = 0.20 120 130 140 150 160 170 180 0 50 100 150 200 250 300 dc 80% square wave (d = 0.50) see note (2)
203DNQ... series 5 bulletin pd-20580 rev. b 10/02 www.irf.com 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. 10/02 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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