? 2002 ixys all rights reserved 1 - 2 pulse test: pulse width = 5 ms, duty cycle < 2.0 % data according to iec 60747 and per diode unless otherwise specified ixys reserves the right to change limits, conditions and dimensions. to-247 ad a = anode, c = cathode , tab = cathode a a c c (tab) features ? international standard package very low v f extremely low switching losses low i rm -values epoxy meets ul 94v-0 applications rectifiers in switch mode power supplies (smps) free wheeling diode in low voltage converters advantages high reliability circuit operation low voltage peaks for reduced protection circuits low noise switching low losses dimensions see outlines.pdf power schottky rectifier with common cathode aca dssk 70-0015b 246 symbol conditions maximum ratings i frms 70 a i fav t c = 130 c; rectangular, d = 0.5 35 a i fav t c = 130 c; rectangular, d = 0.5; per device 70 a i fsm t vj = 45c; t p = 10 ms (50 hz), sine 650 a e as i as = tbd a; l = 180 h; t vj = 25c; non repetitive tbd mj i ar v a =1.5 v rrm typ.; f=10 khz; repetitive tbd a (dv/dt) cr tbd v/ s t vj -55...+150 c t vjm 150 c t stg -55...+150 c p tot t c = 25 c 115 w m d mounting torque 0.8...1.2 nm weight typical 6 g i fav = 2x35 a v rrm = 15 v v f = 0.33 v v rsm v rrm type v v 15 15 dssk 70-0015b symbol conditions characteristic values typ. max. i r t vj = 25 cv r = v rrm 20 ma t vj = 100 cv r = v rrm 350 ma v f i f = 35 a; t vj = 125 c 0.33 v i f = 35 a; t vj =25 c 0.45 v i f = 70 a; t vj = 125 c 0.45 v r thjc 1.1 k/w r thch 0.25 k/w preliminary data
? 2002 ixys all rights reserved 2 - 2 0.0 0.2 0.4 0.6 1 10 100 02468101214 0.1 1 10 100 1000 10 30 50 0 204060 0 5 10 15 20 25 30 35 0.0001 0.001 0.01 0.1 1 10 0.01 0.1 1 0 40 80 120 160 0 20 40 60 80 i f(av) t c c i f(av) t s k/w 10 100 1000 10000 100 1000 10000 i fsm t p a 02468101214 1000 10000 c t i r i f a v f v r v r v pf v ma a p (av) w z thjc v single pulse 2 dssk 70-0015b a s t vj =150c 125c 100c 75c 25c t vj = 150c 125c 25c t vj = 25c d=0.5 d = dc 0.5 0.33 0.25 0.17 0.08 0.08 d=0.5 0.17 dc 50c 0.33 0.25 fig. 3 typ. junction capacitance c t versus reverse voltage v r fig. 2 typ. value of reverse current i r versus reverse voltage v r fig. 1 maximum forward voltage drop characteristics fig. 4 average forward current i f(av) versus case temperature t c fig. 5 forward power loss characteristics fig. 6 transient thermal impedance junction to case at various duty cycles 246 dssk 70-0015b note: all curves are per diode
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