the 1n7038u3 schottky rectifier has been expresslydesigned to meet the rigorous requirements of high reliability environments. it is packaged in the hermetic surface mount smd-0.5 ceramic 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 resonant 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 surface mount lightweight major ratings and characteristics description/features case style www.irf.com 1 characteristics 1n7038u3 units i f(av) 30 a v rrm 150 v i fsm @ tp = 8.3ms half-sine 140 a v f @ 30apk, t j =125c 0.92 v t j ,t stg operating and storage -65 to 150 c schottky rectifier 30amp, 150v 30ljq150 JANS1N7038U3 jantx1n7038u3 jantxv1n7038u3 high efficiency series ref: mil-prf-19500/731 case outline and dimensions - smd-0.5 ( isolated base ) esd rating: class 1b per mil-std-750, method 1020 pd-94063c downloaded from: http:///
30ljq150, 1n7038u3 2 www.irf.com voltage ratings parameters limits units conditions i f(av) max. average forward current 30 a 50% duty cycle @ t c = 83c, square waveform see fig. 5 i fsm max. peak one cycle non - repetitive 140 a @ t p = 8.3ms half-sine surge current absolute maximum ratings parameters limits units conditions v fm max. forward voltage drop 1.07 v @15a t j = -55c see fig. 1 1.26 v @30a 0.96 v @15a t j = 25c 1.18 v @30a 0.75 v @15a t j = 125c 0.92 v @30a i rm max. reverse leakage current 0.12 ma t j = 25c v r = rated v r see fig. 2 6.0 ma t j = 125c c t max. junction capacitance 340 pf v r = 5v dc (1mhz, 25c) l s typical series inductance 4.8 nh measured from center of cathode pad to center of anode pad electrical specifications thermal-mechanical specifications part number 1n7038u3 v r max. dc reverse voltage (v) v rwm max. working peak reverse voltage (v) 150 pulse width < 300s, duty cycle < 2% pins 2 and 3 externally tied together parameters limits units conditions t j max.junction temperature range -65 to 150 c t stg max. storage temperature range -65 to 150 c r thjc max. thermal resistance, junction 1.82 c/w dc operation see fig. 4 to case wt weight (typical) 1.0 g die size (typical) 125x125 mils case style smd-0.5 downloaded from: http:///
30ljq150, 1n7038u3 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 20 40 60 80 100 120 140 160 reverse voltage -v r (v) 10 100 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 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:///
30ljq150, 1n7038u3 4 www.irf.com fig. 5 - max. allowable case temperature vs. average forward current fig. 4 - max. thermal impedance z thjc characteristics ir 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. 10/2012 1e-005 0.0001 0.001 0.01 0.1 1 t 1 , rectangular pulse duration (sec) 0.1 1 10 t h e r m a l r e s p o n s e ( z t h j c ) d = 0.4 d = 0.5 d = 0.2 d = 0.1 d = 0.3 single pulse ( thermal response ) notes: 1. duty factor d = t1/t2 2. peak tj = p dm x zthjc + tc 0 5 10 15 20 25 30 35 average forward current - i f (av) (a) 0 20 40 60 80 100 120 140 160 a l l o w a b l e c a s e t e m p e r a t u r e - ( c ) r thjc (dc) = 1.82c/w 80 % square wave (d=0.50) rated v r applied dc downloaded from: http:///
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