schottky rectifier 40 amp bulletin pd-20834 11/05 1 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 description/ features 43ctq...gs 43ctq...g-1 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 case styles 43ctq...gs 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...g-1 i f(av) = 40 amp v r = 80 - 100v d 2 pak www.irf.com
43ctq...gs, 43ctq...g-1 2 bulletin pd-20834 11/05 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 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 (only for to-220) wt approximate weight 2 (0.07) g (oz.) t mounting torque min. 6 (5) max. 12 (10) device marking 43ctq...gs case style d 2 -pak 43ctq...g-1 case style to-262 43ctq080gs 43ctq100gs 43ctq080g-1 43ctq100g-1 v r max. dc reverse voltage (v) v rwm max. working peak reverse voltage (v) 80 100 voltage ratings parameters absolute maximum ratings parameters values units conditions a 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 0.36 ma t j = 25 c (per leg) * see fig. 2 (1) 13 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 following any rated load condition and with rated v rrm applied
3 bulletin pd-20834 11/05 43ctq...gs, 43ctq...g-1 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) 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) re ve rse curre nt - i (ma) 1 10 100 1000 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 insta ntaneo us forwa rd current - i (a) f fm t = 175c t = 125c t = 2 5 c 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 (thermal resistance) 1 thermal impedanc e z (c/ w) d = 0.75 d = 0.50 d = 0.33 d = 0.25 d = 0.20 no t e s: 1. duty fa c to r d = t / t 2. pea k t = p x z + t j dm thjc c 12 2 t 1 t p dm
43ctq...gs, 43ctq...g-1 4 bulletin pd-20834 11/05 www.irf.com fig. 8 - unclamped inductive test circuit free- w heel diode 40hfl40s 02 c urrent monitor hig h- 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 = 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 forward 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) see note (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-repetitive surge current - i (a) at any rated load condition and with ra ted v ap p lied following surg e rrm sq ua re wave pulse dura tion - t (mic rosec ) p
5 bulletin pd-20834 11/05 43ctq...gs, 43ctq...g-1 www.irf.com 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...gs, 43ctq...g-1 6 bulletin pd-20834 11/05 www.irf.com assembled on ww 02, 2000 lot code 8024 in the assembly line "l" logo lot code assembly rectifier international g = schottky generation line l week 02 year 0 = 2000 date code part number this is a 43ctq100gs 43ctq100gs trr feed dir ection 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 (0.957) 23.90 (0.941) 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 (2.362) dia. min. smd-220 tape & reel when ordering, indicate the part number, part orientation, and the quantity. quantities are in multiples of 800 pieces per reel for both trl and t rr. tape & reel information dimensions in millimeters and (inches) logo rectifier international lot code assembly example: assembled on ww 19, 1999 in the assembly line "c" lot code 1789 g = schottky generation part number year 9 = 1999 date code line c week 19 this is a 43ctq100g-1 part marking information to-262 d 2 pak
7 bulletin pd-20834 11/05 43ctq...gs, 43ctq...g-1 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. 11/05 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. ordering information table device code 1 5 24 3 1 - current rating (40a) 2 - c = common cathode 3 - t = to-220 4 - q = schottky q series 5 - voltage rating 6 - g = schottky generation 7 - y -1 = to-262 y s=d 2 pak 8 - 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) 43 c t q 100 g s trl 6 7 8 080 = 80v 100 = 100v
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