dated : 20/06/2007 ? semtech electronics ltd. ( subsidiary of sino-tech internati onal holdings limited, a company listed on the hong kong stock exchange, stock code: 724 ) 1SS171 silicon epitaxial planar diode for high speed switching circuits features ? high switching speed ? small terminal capacitance ? large forward current absolute maximum ratings (t a = 25 o c) parameter symbol value unit repetitive peak reverse voltage v rrm 80 v reverse voltage v r 80 v average forward current i f(av) 200 ma repetitive peak forward current i frm 600 ma non-repetitive peak forward surge current (at t = 1 s) i fsm 1 a junction temperature t j 175 o c storage temperature range t stg - 65 to + 175 o c electrical characteristics at t a = 25 o c parameter symbol max. unit forward voltage at i f = 200 ma v f 1.1 v reverse current at v r = 15 v at v r = 75 v i r 50 500 na terminal capacitance at v r = 0 v, f = 1 mhz c t 4 pf reverse recovery time at i f = 10 ma, i rr = 0.1 i r , r l = 100 ? t rr 20 ns max. 3.9 max. 1.9 glass case do-35 max. 0.5 min. 27.5 min. 27.5 xxx cathode band part no. st "st" brand dimensions in mm black black black
dated : 20/06/2007 ? semtech electronics ltd. ( subsidiary of sino-tech internati onal holdings limited, a company listed on the hong kong stock exchange, stock code: 724 ) 1SS171
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