schottky rectifier 35 amp, 150v 35cgq150 the 35cgq150 center tap schottky rectifier has been expressly designed to meet the rigorous requirements of hirel environments. it is packaged in the hermetic isolated to-254aa package. the device's forward voltage drop and reverse leakage current are optimized for the lowest power loss and the highest circuit efficiency for typical high frequency switching power supplies and resonent power converters. full mil-prf-19500 quality conformance testing is available on source control drawings to tx, txv and s quality levels. ? hermetically sealed ? center tap ? low forward voltage drop ? high frequency operation ? guard ring for enhanced ruggedness and long term reliability ? lightweight www.irf.com 1 high efficiency series description/features major ratings and characteristics characteristics limits units i f(av) 35 a v rrm (per leg) 150 v i fsm @ tp = 8.3ms half-sine (per leg) 400 a v f @ 17.5apk, t j =125c 0.8 v (per leg) t j , t stg operating and storage -55 to150 c case style case outline and dimensions - to-254aa 3.81 [.150] 0.12 [.005] 1.27 [.050] 1.02 [.040] 6.60 [.260] 6.32 [.249] c 14.48 [.570] 12.95 [.510] 3x 0.36 [.014] b a 1.14 [.045] 0.89 [.035] 2x 3.81 [.150] 20.32 [.800] 20.07 [.790] 13.84 [.545] 13.59 [.535] 3.78 [.149] 3.53 [.139] 17.40 [.685] 16.89 [.665] a 123 13.84 [.545] 13.59 [.535] 0.84 [.033] max. b not e s : 1. dimens ioning & tolerancing per as me y14.5m-1994. 2. all dimensions are shown in millimeters [inches]. 3. controlling dimens ion: inch. 4 . con f or ms t o j e de c ou t l i n e t o-25 4aa. ? esd rating: class ns per mil-std-750, method 1020
2 1 3 pd-94186d
35cgq150 2 www.irf.com part number 35cgq150 v r max. dc reverse voltage (v) (per leg) v rwm max. working peak reverse voltage (v) (per leg) voltage ratings 150 parameters limits units conditions i f(av) max. average forward current 35 a 50% duty cycle @ t c = 115c, square waveform see fig. 5 i fsm max. peak one cycle non - repetitive 400 a @ t p = 8.3 ms half-sine surge current (per leg) absolute maximum ratings pulse width < 300s, duty cycle < 2% parameters limits units conditions 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 1.25 c/w dc operation see fig. 4 to case (per leg) r thjc max. thermal resistance, junction 0.63 c/w dc operation to case (per package) wt weight (typical) 9.3 g die size (typical) 158x158 mils thermal-mechanical specifications case style to-254aa parameters limits units conditions v fm max. forward voltage drop 1.05 v @17.5a t j = -55c (per leg) see fig. 1 1.29 v @35a 0.93 v @17.5a t j = 25c 1.18 v @35a 0.80 v @17.5a t j = 125c 1.07 v @35a i rm max. reverse leakage current 0.1 ma t j = 25c v r = rated v r (per leg) see fig. 2 16 ma t j = 125c c t max. junction capacitance (per leg) 800 pf v r = 5v dc (1mhz, 25c) l s typical series inductance (per leg) 7.8 nh measured from anode lead to cathode lead 6mm (0.025 in.) from package electrical specifications
35cgq150 www.irf.com 3 fig. 2 - typical values of reverse current vs. reverse voltage (per leg) fig. 3 - typical junction capacitance vs. reverse voltage (per leg) fig. 1 - max. forward voltage drop characteristics (per leg) 0 20 40 60 80 100 120 140 160 reverse voltage -v r (v) 100 1000 j u n c t i o n c a p a c i t a n c e - c t ( p f ) t j = 25c 0 20 40 60 80 100 120 140 160 reverse voltage - v r (v) 0.0001 0.001 0.01 0.1 1 10 100 r e v e r s e c u r r e n t - i r ( m a ) 125c 75c 25c 100c 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 forward voltage drop - v f (v) 1 10 100 i n s t a n t a n e o u s f o r w a r d c u r r e n t - i f ( a ) tj = -55c tj = 125c tj = 25c
35cgq150 4 www.irf.com fig. 5 - max. allowable case temperature vs. average forward current (per leg) fig. 4 - max. thermal impedance z thjc characteristics (per leg) 0.01 0.1 1 10 0.00001 0.0001 0.001 0.01 0.1 1 notes: 1. duty factor d = t / t 2. peak t = p x z + t 1 2 j dm thjc c p t t dm 1 2 t , rectangular pulse duration (sec) thermal response (z ) 1 thjc 0.01 0.02 0.05 0.10 0.20 d = 0.50 single pulse (thermal response) 0 10 20 30 40 50 60 average forward current - i f(av) (a) 0 20 40 60 80 100 120 140 160 180 a l l o w a b l e c a s e t e m p r a t u r e - ( c ) 35cgq150 r thjc = 1.25c/w dc ir world headquarters: 101 n. sepulveda blvd., el segundo, california 90245, usa tel: (310) 252-7105 ir leominster : 205 crawford st., leominster, massachusetts 01453, usa tel: (978) 534-5776 tac fax: (310) 252-7903 visit us at www.irf.com for sales contact information . data and specifications subject to change without notice. 03/2014
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