schottky rectifier 16 amp, 45v 16scyq045c major ratings and characteristics description/features 01/02/02 case style ir case style to-257aa www.irf.com 1 characteristics 16scyq045c units i f(av) 16 a v rrm (per leg) 45 v i fsm @ tp = 8.3ms half-sine (per leg) 150 a v f @ 16apk, t j =125c 0.62 v (per leg) t j , t stg operating and storage -55 to 150 c anode common anode cathode 2 1 3 high efficiency series the 16scyq045c center tap schottky rectifier has beenexpressly designed to meet the rigorous requirements of hi- rel environments. it is packaged in the hermetic isolated to-257aa 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? ceramic eyelets ? low forward voltage drop ? high frequency operation? guard ring for enhanced ruggedness and long term reliability ? lightweight pd-93980a 3.05 [.120] 0.13 [.005] 0.71 [.028] max. b 5.08 [.200] 4.83 [.190] 10.92 [.430] 10.42 [.410] 1.14 [.045] 0.89 [.035] 16.89 [.665] 16.39 [.645] 321 15.88 [.625] 12.70 [.500] 0.88 [.035] 0.64 [.025] ? 0.50 [.020] c a b 2x 3x ? 2.54 [.100] c 10.66 [.420] 10.42 [.410] a 13.63 [.537] 13.39 [.527] 3x ? 3.81 [.150] 3.56 [.140] not es : 1. dimens ioning & t olerancing per ans i y14.5m-1994. 2. cont rolling dimens ion: inch. 3. dimens ions are s hown in millimet ers [inches ]. 4. ou t l i ne conf or ms t o j e de c ou t l i ne t o-257 aa. downloaded from: http:///
16scyq045c 2 www.irf.com part number 16scyq045c v r max. dc reverse voltage (v) (per leg) v rwm max. working peak reverse voltage (v) (per leg) voltage ratings 45 parameters limits units conditions i f(av) max. average forward current 16 a 50% duty cycle @ t c = 134 c, square waveform see fig. 5 i fsm max. peak one cycle non - repetitive 150 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 1.6 c/w dc operation see fig. 4 to case (per leg) r thjc max. thermal resistance, junction 0.8 c/w dc operation to case (per package) wt weight (typical) 4.3 g die size (typical) 115x170 mils thermal-mechanical specifications case style t0-257aa parameters limits units conditions v fm max. forward voltage drop 0.57 v @ 8.0a t j = -55 c (per leg) see fig. 1 0.67 v @ 16a 0.50 v @ 8.0a t j = 25 c 0.64 v @ 16a 0.42 v @ 8.0a t j = 125 c 0.62 v @ 16a i rm max. reverse leakage current 0.4 ma t j = 25 c (per leg) see fig. 2 70 ma t j = 100 cv r = rated v r 160 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) 6.9 nh measured from anode lead to cathode lead 6mm ( 0.025 in.) from package electrical specifications downloaded from: http:///
16scyq045c 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) 0.0 0.2 0.4 0.6 0.8 forward voltage drop - v f (v) 1 10 100 instantaneous forward current - i f (a) tj = -55 c tj = 125 c tj = 25c 0 10 20 30 40 50 reverse voltage - v r (v) 0.01 0.1 1 10 100 1000 reverse current - i r ( ma ) 125 c 75 c 25 c 100 c 0 10 20 30 40 50 reverse voltage -v r (v) 100 1000 10000 junction capacitance - c t (pf) t j = 25 c downloaded from: http:///
16scyq045c 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 average forward current - i f(av) (a) 0 20 40 60 80 100 120 140 160 180 allowable case temprature - ( c) 16scyq045c r thjc = 1.6 c/w dc 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. 01/02 downloaded from: http:///
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