dated : 25/06/2007 ? semtech electronics ltd. ( subsidiary of sino-tech internati onal holdings limited, a company listed on the hong kong stock exchange, stock code: 724 ) MA700B silicon schottky barrier diode absolute maximum ratings (t a = 25 o c) parameter symbol value unit reverse voltage v r 20 v power dissipation p tot 400 1) mw peak surge curent (single cycle 60 hz sine wave) i fsm 15 a junction temperature t j 125 o c storage temperature range t s - 55 to + 175 o c 1) valid provided that electrodes ar e kept at ambient temperature. characteristics at t a = 25 o c parameter symbol typ. max. unit forward voltage at i f = 90 ma v f - 1 v reverse leakage current at v r = 20 v i r - 30 a junction capacitance at v r = 0 v, f = 1 mhz c tot 50 - pf reverse recovery time at i f = i r = 5 ma to 200 ma , recover to 0.1 i r t rr 10 - 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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