schottky rectifier 35 amp, 150v 35gq150 major ratings and characteristics description/features case style www.irf.com 1 characteristics 35gq150 units i f(av) 35 a v rrm 100 v i fsm @ tp = 8.3ms half-sine 400 a v f @ 35apk, t j =125c 1.0 v t j ,t stg operating and storage -55 to 150 c high efficiency series the 35gq150 schottky rectifier has been expresslydesigned to meet the rigorous requirements of hirel environments. it is packaged in the hermeticly 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 low forward voltage drop high frequency operation guard ring for enhanced ruggedness and long term reliability lightweight 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 1 2 3 cathode anode anode case outline and dimensions - to-254aa not e s : 1. dimens ioning & tolerancing per as me y14.5m-1994. 2. al l dime ns ions are s hown in mil l ime t e rs [inche s ]. 3. cont rolling dimens ion: inch. 4 . con f or ms t o j e de c ou t l i n e t o-25 4aa. 5. externally short pins 2 & 3 pd-94233a downloaded from: http:///
35gq150 2 www.irf.com part number 35gq150 v r max. dc reverse voltage (v) v rwm max. working peak reverse voltage (v) voltage ratings 150 parameters limits units conditions i f(av) max. average forward current 35 a 50% duty cycle @ t c = 100 c, square waveform see fig. 5 i fsm max. peak one cycle non - repetitive 400 a @ t p = 8.3 ms half-sine surge current absolute maximum ratings 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 1.1 c/w dc operation see fig. 4 to case wt weight (typical) 9.3 g die size (typical) (2)158x158 mils case style to-254aa thermal-mechanical specifications parameters limits units conditions v fm max. forward voltage drop 1.18 v @75a t j = -55c see fig. 1 1.45 v @150a 1.06 v @75a t j = 25c 1.44 v @150a 0.78 v @75a t j = 125c 0.96 v @150a i rm max. reverse leakage current 0.2 ma t j = 25c v r = rated v r see fig. 2 32 ma t j = 125c c t max. junction capacitance 1600 pf v r = 5v dc (1mhz, 25c) l s typical series inductance 5.9 nh measured from center of cathode pad to center of anode pad electrical specifications pulse width < 300s, duty cycle < 2% pins 2 and 3 externally tied together downloaded from: http:///
35gq150 www.irf.com 3 fig. 2 - typical values of reverse current vs. reverse voltage fig. 3 - typical junction capacitance vs. reverse voltage fig. 1 - max. forward voltage drop characteristics 0 40 80 120 160 reverse voltage -v r (v) 100 1000 10000 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 40 80 120 160 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 1.6 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 downloaded from: http:///
35gq150 4 www.irf.com fig. 5 - max. allowable case temperature vs. average forward current fig. 4 - max. thermal impedance z thjc characteristics 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 ) 35gq150 r thjc = 1.1c/w dc 0.001 0.01 0.1 1 10 0.00001 0.0001 0.001 0.01 0.1 1 10 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) i r world headquarters: 233 kansas st., 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. 07/2010 downloaded from: http:///
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