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 ) BAT85 schottky barrier diode ultra high-speed switching, switching, voltage clamping protection circuits and blocking applications features ? low forward voltage ? hermetically-sealed leaded glass package absolute maximum ratings (t a = 25 o c) parameter symbol value unit continuous reverse voltage v r 30 v continuous forward current i f 200 ma average forward current i f(av) 200 ma repetitive peak forward current i frm 300 ma non-repetitive peak forward current i fsm 5 a thermal resistance from junction to ambient r thja 320 k/w operating ambient temperature t amb - 65 to + 125 o c junction temperature t j 125 o c storage temperature range t s - 65 to + 150 o c characteristics at t a = 25 o c parameter symbol max. unit forward voltage at i f = 0.1 ma at i f = 1 ma at i f = 10 ma at i f = 30 ma at i f = 100 ma v f v f v f v f v f 240 320 400 500 800 mv mv mv mv mv reverse current at v r = 25 v i r 2 a diode capacitance at v r = 1 v, f = 1 mhz c d 10 pf reverse recovery time at i f = 10 ma, i r = 10 ma, 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 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
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