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 ) ? 1SS244 silicon epitaxial planar diode high voltage switching absolute maximum ratings (t a = 25 o c) parameter symbol value unit peak reverse voltage v rm 250 v reverse voltage v r 220 v mean rectifying current i o 200 ma peak forward current i fm 625 ma surge current (1 s) i surge 1 a power dissipation p tot 300 mw 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 = 200 ma v f 1.5 v reverse current at v r = 220 v i r 10 a capacitance between terminals at f = 1 mhz c t 3 pf reverse recovery time at i r = 20 ma, i f = 20 ma, r l = 50 ? t rr 75 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
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 ) ? 1SS244
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