dated : 19/09/200 8 ? semtech electronics ltd. ( subsidiary of sino-tech internati onal holdings limited, a company listed on the hong kong stock exchange, stock code: 724 ) st 8050u npn silicon epitaxial planar transistor for switching and amplifier applications. especially suitable for af-driver stages and low power output stages. absolute maximum ratings (t a = 25 o c) parameter symbol value unit collector base voltage v cbo 40 v collector emitter voltage v ceo 25 v emitter base voltage v ebo 6 v collector current i c 1.5 a power dissipation p tot 625 mw junction temperature t j 150 o c storage temperature range t s - 55 to + 150 o c characteristics at t a = 25 o c parameter symbol min. typ. max. unit dc current gain at v ce = 1 v, i c = 5 ma at v ce = 1 v, i c = 100 ma current gain group at v ce = 1 v, i c = 800 ma c d h fe h fe h fe h fe 45 120 160 40 - - - - - 200 300 - - - - - collector base cutoff current at v cb = 35 v i cbo - - 100 na emitter base cutoff current at v eb = 6 v i ebo - - 100 na collector base breakdown voltage at i c = 100 a v (br)cbo 40 - - v collector emitter breakdown voltage at i c = 2 ma v (br)ceo 25 - - v emitter base breakdown voltage at i e = 100 a v (br)ebo 6 - - v collector emitter saturation voltage at i c = 800 ma, i b = 80 ma v ce(sat) - - 0.5 v base emitter saturation voltage at i c = 800 ma, i b = 80 ma v be(sat) - - 1.2 v base emitter voltage at i c = 10 ma, v ce = 1 v v be - - 1 v gain bandwidth product at v ce = 10 v, i c = 50 ma f t 100 - - mhz collector base capacitance at v cb = 10 v, f = 1 mhz c ob - 9 - pf
dated : 19/09/200 8 ? semtech electronics ltd. ( subsidiary of sino-tech internati onal holdings limited, a company listed on the hong kong stock exchange, stock code: 724 ) st 8050u
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