schottky rectifier 40 amp bulletin pd-21017 04/05 1 www.irf.com this 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 175c junction temperature. typical applications are in switching power supplies, converters, free-wheeling diodes, and re- verse battery protection. 175 c t j operation center tap configuration 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 lead-free ("pbf" suffix) description/ features 43ctq...spbf 43ctq...-1pbf major ratings and characteristics i f(av) rectangular 40 a waveform v rrm 80 / 100 v i fsm @ tp = 5 s sine 850 a v f @ 20 apk, t j = 125c 0.67 v (per leg) t j range - 55 to 175 c characteristics values units i f(av) = 40amp v r = 80/ 100v case styles d 2 pak 43ctq...spbf 43ctq...-1pbf to-262 anode 1 3 2 base common cathode 2 a node common cathode anode 1 3 2 base common cathode 2 a node common cathode
43ctq...spbf, 43ctq...-1pbf 2 bulletin pd-21017 04/05 www.irf.com i f(av) max. average forward (per leg) 20 a 50% duty cycle @ t c = 135c, rectangular wave form current * see fig. 5 (per device) 40 i fsm max. peak one cycle non-repetitive 850 5s sine or 3s rect. pulse surge current (per leg) * see fig. 7 275 10ms sine or 6ms rect. pulse e as non-repetitive avalanche energy 7.50 mj t j = 25 c, i as = 0.50 amps, l = 60 mh (per leg) i ar repetitive avalanche current 0.50 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 43ctq080spbf 43CTQ100SPBF 43ctq080-1pbf 43ctq100-1pbf v r max. dc reverse voltage (v) v rwm max. working peak reverse voltage (v) 80 100 voltage ratings parameters absolute maximum ratings following any rated load condition and with rated v rrm applied parameters values units conditions a 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 2.0 c/w dc operation to case (per leg) r thjc max. thermal resistance junction 1.0 c/w dc operation to case (per package) r thcs typical thermal resistance, case 0.50 c/w mounting surface , smooth and greased to heatsink wt approximate weight 2 (0.07) g (oz.) t mounting torque min. 6 (5) max. 12 (10) marking device 43ctq...s case style d 2 pak 43ctq...-1 case style to-262 thermal-mechanical specifications kg-cm (ibf-in) parameters values units conditions v fm max. forward voltage drop 0.81 v @ 20a (per leg) * see fig. 1 (1) 0.98 v @ 40a 0.67 v @ 20a 0.81 v @ 40a i rm max. reverse leakage current 1 ma t j = 25 c (per leg) * see fig. 2 (1) 11 ma t j = 125 c v f(to) threshold voltage 0.71 v t j = t j max. r t forward slope resistance 0.43 m ? c t max. junction capacitance (per leg) 1480 pf v r = 5v dc (test signal range 100khz to 1mhz) 25c l s typical series inductance (per leg) 8.0 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 parameters values units conditions
3 bulletin pd-21017 04/05 www.irf.com 43ctq...spbf, 43ctq...-1pbf 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) 100 1000 10000 0 20 40 60 80 100 t = 25c j r t junction capacitance - c (pf) reverse voltage - v (v) 0.001 0.01 0.1 1 10 100 1000 0 20406080100 r r t = 175c 150c 125c 100c 75c 50c 25c j reverse voltage - v (v) reverse current - i (ma) 1 10 100 1000 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 instantaneous forward current - i (a) f fm t = 175c t = 125c t = 25c j j j forward voltage drop - v (v) 0.01 0.1 1 10 0.00001 0.0001 0.001 0.01 0.1 1 10 100 thjc t , rectangular pulse duration (seconds) single pulse ( th e rm a l re si st a n c e ) 1 thermal impedanc e z (c/ w) d = 0.75 d = 0.50 d = 0.33 d = 0.25 d = 0.20 not e s: 1. duty fa c tor d = t / t 2. peak t = p x z + t j dm thjc c 1 2 2 t 1 t p dm
43ctq...spbf, 43ctq...-1pbf 4 bulletin pd-21017 04/05 www.irf.com fig. 8 - unclamped inductive test circuit free- w heel diode 40hfl40s 02 current monitor hig h-speed switch irfp460 l dut rg = 25 o h m 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 = 10 v fig. 7 - max. non-repetitive surge current (per leg) fig. 5 - max. allowable case temperature vs. average forward current (per leg) fig. 6 - forward power loss characteristics (per leg) 0 5 10 15 20 0 5 10 15 20 25 30 dc average power loss - (watts) f( a v ) rm s li m i t average forwa rd current - i (a) d = 0.20 d = 0.25 d = 0.33 d = 0.50 d = 0.75 100 110 120 130 140 150 160 170 180 0 5 10 15 20 25 30 dc allowable case temperature - (c) f(a v ) se e n o te ( 2) sq ua re wa ve (d = 0.50) 80% rated v applied r average forward current - i (a) 100 1000 10 100 1000 10000 fsm non-repet it ive surge current - i (a) at any rated load condition and with rated v ap plied following surge rrm square wave pulse duration - t (mic rosec ) p
5 bulletin pd-21017 04/05 www.irf.com 43ctq...spbf, 43ctq...-1pbf modified jedec outline to-262 dimensions in millimeters and (inches) anode 1 3 2 base common cathode 2 a node common cathode conform to jedec outline d 2 pak (smd-220) dimensions in millimeters and (inches) anode 1 3 2 base common cathode 2 a node common cathode outline table
43ctq...spbf, 43ctq...-1pbf 6 bulletin pd-21017 04/05 www.irf.com logo rectifier international lot code assembly example: assembled on ww 19, 1999 this is a 43ctq100-1 lot code 1789 part number year 9 = 1999 date code p = lead-free week 19 43ctq100s assembled on ww 02, 2000 this is a 43ctq100s lot code 8024 logo lot code assembly rectifier international p = lead-free week 02 year 0 = 2000 date code part number trr feed direction trl feed direction 10.90 (0.429) 10.70 (0.421) 16.10 (0.634) 15.90 (0.626) 1.75 (0.069) 1.25 (0.049) 1.85 (0.073) 1.65 (0.065) 4.10 (0.161) 3.90 (0.153) 1.60 (0.063) 1.50 (0.059) dia. 1.60 (0.063) 1.50 (0.059) dia. 11.60 (0.457) 11.40 (0.449) 15.42 (0.609) 15.22 (0.601) 4.72 (0.186) 4.52 (0.178) 24 .30 (0 .95 7) 23 .90 (0 .94 1) 0.368 (0.0145) 0.342 (0.0135) 360 (14.173) dia. max. 26.40 (1.039) 24.40 (0.961) 13.50 (0.532) 12.80 (0.504) dia. 60 (2 .36 2) dia. min. smd-220 tape & reel when ordering, indicate the part number, part orientation, and the quantity. quantities are in multiples of 800 piece s p er reel fo r bo th trl and trr. dimensions in millimeters and (inches) tape & reel information part marking information d 2 pak to-262
7 bulletin pd-21017 04/05 www.irf.com 43ctq...spbf, 43ctq...-1pbf ordering information table 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. 04/05 data and specifications subject to change without notice. this product has been designed and qualified for industrial level and lead-free. qualification standards can be found on ir's web site. 43 c t q 100 s trl pbf device code 1 5 2 4 3 6 1 - current rating (40a) 2 - circuit configuration c = common cathode 3 - t = to-220 4 - schottky "q" series 5 - voltage ratings 6 - y s = d 2 pak y -1= to-262 7 - y none = tube (50 pieces) y trl = tape & reel (left oriented - for d 2 pak only) y trr = tape & reel (right oriented - for d 2 pak only) 8 - y none = standard production y pbf = lead-free 7 8 080 = 80v 100 = 100v
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