2010. 8. 12 1/2 semiconductor technical data U20A3CIC ultra fast recovery rectifier diode revision no : 1 switching type power supply application converter & chopper application. features h ultra-fast recovery time for high efficiency. h low forward voltage drop, high current capability, and low power loss. application h switching power supply. h home appliances, office equipment. h telecommunication, factory automation. dim millimeters to-220is 0.76+0.09/-0.05 a b c d e f g 0.5+0.1/-0.05 h 1.2+0.25/-0.1 1.5+0.25/-0.1 j k l m n p q r f q 1 2 3 l p n b g j m d n h e r k l s 0.5 typ s d a c 2.70 0.3 + _ 12.0 0.3 + _ 13.6 0.5 + _ 3.7 0.2 + _ 3.2 0.2 + _ 10.0 0.3 + _ 15.0 0.3 + _ 3.0 0.3 + _ 4.5 0.2 + _ 2.54 0.1 + _ + 2.6 0.2 _ 6.8 0.1 + _ 1. anode 2. cathode 3. anode electrical characteristics (ta=25 ? ) (note1) : average forward current of centertap full wave connection. (note2) : a value of one cell. 3 1 2 maximum ratings (ta=25 ? ) polarity characteristic symbol rating unit repetitive peak reverse voltage v rrm 350 v average output rectified current (tc=94 ) (note1) i o 20 a peak one cycle surge forward current (non-repetitive) i fsm 100 (60hz) a junction temperature t j 150 ? storage temperature range t stg -55~150 ? characteristic symbol test condition min. typ. max. unit peak forward voltage (note2) v fm i fm =10a - - 1.3 v reverse current (note2) i rm v rm =300v - - 10 a reverse recovery time (note2) t rr i f =0.5a, i r =1a, i rr =0.25a - - 25 ns thermal resistance (note2) r th(j-c) junction to case - - 3 ? /w
2010. 8. 12 2/2 U20A3CIC revision no : 1 p - i f(av) o o average output rectified current i (a) 0 0 10 20 30 40 f(av) average forward power dissipation p (w) 10 20 30 40 i - v f f f forward voltage v (mv) f forward current i (a) 0.1 0.001 0.01 0 200 400 600 800 1000 1200 1 10 ta=150 c ta=125 c t a=75 c ta=-25 c ta=25 c i r - v r 0 1 0.1 10 100 1000 10000 100000 100 200 300 50 150 250 reverse voltage v r (v) reverse current i r (na) d=1/2 dc sin( k =180) ta=150 c ta=125 c ta=75 c ta=-25 c ta=25 c number of cycles at 60hz peak surge forward current i (a) 1 0 10 100 1000 fsm 10 surge forward current (non - repetitive) 100 1cyc 8.3ms 8.3ms i fsm
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