schottky rectifier 45a*, 100v 45ciq100 major ratings and characteristics description/features 02/27/02 case style www.irf.com 1 characteristics 45ciq100 units i f(av) rectangular 45* a waveform v rrm (per leg) 100 v i fsm @ tp = 8.3ms half-sine 400 a (per leg) t j , t stg operating and storage -55 to 150 c anode common anode cathode 1 23 high efficiency series ir case style to-259aa pd -20356d the 45ciq100 center tap schottky rectifier has beenexpressly designed to meet the rigorous requirements of hi-rel environments. it is packaged in the hermetic isolated to-259aa 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 controlled drawings to tx, txv and s levels. hermetically sealed center tap low forward voltage drop high frequency operation guard ring for enhanced ruggedness and long term reliability 2 interdigitated mounting tabs for secured, intimate heatsink contact electrically isolated (isolated base) v f @ 25apk, t j =125c 0.74 v (per leg) * i f(av) current is limited by pin diameter downloaded from: http:///
45ciq100 2 www.irf.com part number 45ciq100 v r max. dc reverse voltage (v) (per leg) v rwm max. working peak reverse voltage (v) (per leg) voltage ratings 100 parameters limits units conditions i f(av) max. average forward current 45* a 50% duty cycle @ t c = 100 c, rectangular 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 0.83 c/w dc operation see fig. 4 to case (per leg) r thjc max. thermal resistance, junction 0.42 c/w dc operation to case (per package) wt weight (typical) 10.5 g die size 150x150 mils case style to-259aa thermal-mechanical specifications parameters limits units conditions v fm max. forward voltage drop 0.89 v @ 25a (per leg) see fig. 1 1.13 v @ 45a 0.74 v @ 25a 0.97 v @ 45a i rm max. reverse leakage current 0.8 ma t j = 25 cv r = rated v r (per leg) see fig. 2 45 ma t j = 125 c c t max. junction capacitance (per leg) 1400 pf v r = 5v dc ( 1mhz, 25 c ) l s typical series inductance (per leg) 8.7 nh measured from anode lead to cathode lead 6mm ( 0.025 in.) from package electrical specifications t j = 25 c t j =1 25 c * i f(av) current is limited by pin diameter downloaded from: http:///
45ciq100 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) 0.0001 0.001 0.01 0.1 1 10 100 0 2 04 06 08 01 0 0 r a t = 150 c 125 c 100 c 25 c j reverse volta g e - v (v) downloaded from: http:///
45ciq100 4 www.irf.com fig. 5 - max. allowable case temperature vs. average forward current fig. 4 - max. thermal impedance z thjc characteristics (per leg) ir world headquarters: 233 kansas st., el segundo, california 90245, usa tel: (310) 252-7105 tac fax: (310) 252-7903 visit us at www.irf.com for sales contact information . data and specifications subject to change without notice. 02/02 45ciq100 r thjc (dc) = 0.42 c/w downloaded from: http:///
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