dated : 23/06/2007 ? semtech electronics ltd. ( subsidiary of sino-tech internati onal holdings limited, a company listed on the hong kong stock exchange, stock code: 724 ) 1SS176 silicon epitaxial planar diode switching diode absolute maximum ratings (t a = 25 o c) parameter symbol value unit reverse voltage v r 30 v peak reverse voltage v rm 35 v average rectified output current i o 100 ma forward voltage i f 300 ma surge forward current at t = 1s i fsm 1 a junction temperature t j 175 o c storage temperature range t s - 65 to + 175 o c characteristics at t a = 25 o c parameter symbol max. unit forward voltage at i f = 100 ma v f 1.2 v reverse current at v r = 30 v i r 0.5 a capacitance at v r = 0 v, f = 1 mhz c tot 3 pf reverse recovery time from i f = 100 ma, v r = 6 v, r l = 100 ? t rr 4 ns max. 2.9 max. 1.9 glass case do-34 max. 0.45 min. 27.5 min. 27.5 xxx cathode band part no. dimensions in mm black black
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