2007. 8. 13 1/2 semiconductor technical data smau1g ultra fast recovery rectifier diode revision no : 1 switching type power supply applications. features ultra-fast recovery time for high efficiency. low profile surface mount package. low forward voltage drop, high current capability, and low power loss. application switching power supply. dc/dc converter. home appliances, office equipment. telecommunication, factory automation. maximum rating (ta=25 ) sma(1) unit : mm millimeters c c e e f f 1 2 g g d d a a b b dim 5.0 0.2 + _ 2.525 0.12 + _ 1.45 0.18 + _ 4.3 0.3 + _ 2.075 0.175 + _ 0.23 0.08 + _ 1.15 0.35 + _ e 1. anode 2. cathode electrical characteristics (ta=25 ) marking u1g type name cathode mark lot no. characteristic symbol test condition min. typ. max. unit peak forward voltage v fm i fm =1.0a - - 1.3 v repetitive peak reverse current i rrm v rrm =rated - - 5 a reverse recovery time t rr i f =0.5a, i r =1.0a - - 35 ns junction capacitance c j v r =4.0v, f=1mhz - 8 - pf thermal resistance r th(j-1) junction to lead - - 35 /w r th(j-a) junction to ambient (note 1) - - 85 /w characteristic symbol rating unit maximum repetitive peak reverse voltage v rrm 400 v average output rectitifed current i o 1 a peak one cycle surge forward current (non-repetitive 60hz) i fsm 33 a junction temperature t j -55 150 storage temperature range t stg -55 150 notes : 1. p.c.b mounted on 0.2 0.2 (5.0 5.0mm) copper pad area.
2007. 8. 13 2/2 smau1g revision no : 1 i f - v f forward voltage v f (v) forward current i f (a) number of cycles at 60hz peak surge forward current i fsm (a) 1 0 5 10 15 20 25 30 35 10 surge forward current (non - repetitive) 100 ta=25 c f=60hz t j =25 c pulse width-300 s 1% duty cycle p f(av) - i f(av) average forward current i f(av) (a) 0 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 average forward power dissipation p f(av) (w) 0.2 0.4 0.6 0.8 1.0 1.4 1.2 rectangular waveform 180 360 t l - i f(av) average forward current i f(av) (a) 0 0 40 80 120 160 200 0.2 0.4 0.6 0.8 1.0 1.2 resistive or inductive load 0.2 0.2" (5.0 5.0mm) copper pad areas maximum allowable lead temperature t l max ( c) 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 0.01 0.1 1 10 50 25 c i r - v r reverse voltage v r (v) reverse current i r ( a) 0 80 160 240 320 400 0.01 0.1 1 10 100 1000 t j = 25 c t j = 85 c t j = 125 c
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