super fast recovery diode rfus20tm4s ? series ? dimensions (unit : mm) ? structure ultra fast recovery ? applications general rectification ? features 1)ultra low switching loss 2)high current overload capacity 3)cathode common single type ? construction silicon epitaxial planer ? absolute maximum ratings (tc=25 ? c) symbol v rm v r tj tstg ? electrical characteristics (tj=25 ? c) symbol unit forward voltage v f v i r a trr ns thermal resistance rth(j-c) ? c/w parameter conditions min. typ. max. i f =20a - 1.4 1.6 10 reverse recovery time i f =0.5a,i r =1a,irr=0.25i r -2435 reverse current v r =430v - 0.05 junction to case -- 2 parameter conditions limits unit 430 v repetitive peak reverse voltage duty ? 0.5 430 v 60hz half sin wave, resistance load, tc=68 ? c reverse voltage direct voltage 20 a forward current surge peak i fsm 60hz half sin wave, non-repetitive 100 a one cycle peak value, tj=25 ? c average rectified forward current io junction temperature 150 ? c storage temperature ? 55 to ? 150 ? c (1) (2) (3) +0.2 ?0.1 +0.1 ?0.05 +0.4 ?0.2 +0.3 ?0.1 +0.3 ?0.1 1/3 2011.06 - rev.a data sheet www.rohm.com ? 2011 rohm co., ltd. all rights reserved.
rfus20tm4s ? electrical characteristic curves 1200 1250 1300 1350 1400 1450 1500 0.1 1 10 0.001 0.01 0.1 1 10 100 1000 rth(j-c) 10 100 1000 1 10 100 time i fsm 0 5 10 15 20 25 30 ave : 22.9ns t =25 ? c i f =0.5a i r =1a irr=0.25i r n=10pcs 0 50 100 150 200 250 300 ave : 183a 8.3ms i fsm 1cyc 0.1 1 10 100 0 500 1000 1500 2000 2500 1 10 100 1000 forward voltage : v f (mv) v f -i f characteristics forward current : i f (a) reverse current : i r (na) reverse voltage : v r (v) v r -i r characteristics capacitance between terminals : ct(pf) reverse voltage : v r (v) v r -ct characteristics v f dispersion map forward voltage : v f (mv) reverse current : i r (na) i r dispersion map capacitance between terminals : ct(pf) ct dispersion map i fsm disresion map its ability of peak surge forward current : i fsm (a) peak surge forward current : i fsm (a) number of cycles i fsm -cycle characteristics peak surge forward current : fsm (a) time : t(ms) i fsm -t characteristics time : t(s) rth-t characteristics transient thaermal impedance:rth ( ? c/w) trr dispersion map reverse recovery time : trr(ns) 1 10 100 1000 10000 100000 0 50 100 150 200 250 300 350 400 450 tj=125 ? c tj=25 ? c tj=150 ? c tj=75 ? c 10 100 1000 0 5 10 15 20 25 30 f=1mhz tj=25 ? c 350 360 370 380 390 400 ave : 372.3pf ta=25 ? c f=1mhz v r =0v n=10pcs t =25 ? c v r =430v n=20pcs ave : 49.0na ave : 1373mv t =25 ? c i f =20a n=20pcs 1 10 100 1000 1 10 100 8.3ms i fsm 1cyc. 8.3ms electrostatic discharge test esd(kv) esd dispersion map 0 1 2 3 4 5 6 7 c=200pf r=0 ? ave : 6.05kv c=100pf r=1.5k ? ave : 0.93kv tj=125 ? c tj=25 ? c tj=150 ? c tj=75 ? c 2/3 2011.06 - rev.a www.rohm.com ? 2011 rohm co., ltd. all rights reserved. data sheet
rfus20tm4s 0 5 10 15 20 25 30 35 0 306090120150 d.c. d=0.5 d=0.2 d=0.1 d=0.05 half sin wave d=0.8 forward power dissipation : pf(w) average rectified forward current : io(a) io-pf characteristics average rectified forward current : io(a) case temparature : tc( ? c) derating curve"(io-tc) 0 10 20 30 40 50 60 70 0 5 10 15 20 25 30 35 d.c. d = 0.5 d=0.2 d=0.1 d=0.05 half sin wave d=0.8 t tj=150 ? c d=t/t t v r io v r =350v 0a 0v 3/3 2011.06 - rev.a www.rohm.com ? 2011 rohm co., ltd. all rights reserved. data sheet
r 1 120 a ww w .rohm.com ? 20 1 1 rohm co., ltd. all rights reserved. notice rohm customer support system http://ww w . r ohm.com/contact/ thank you for your accessing to rohm p r oduct informations. mo r e detail p r oduct informations and catalogs a r e available, please contact us. notes
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