dated : 22/03/2006 ? semtech electronics ltd. ( subsidiary of sino-tech internati onal holdings limited, a company listed on the hong kong stock exchange, stock code: 724 ) st 2sa1664u pnp epitaxial planar transistor high current application the transistor is subdi vided into two groups, o and y, according to its dc current gain. absolute maximum ratings (t a = 25 o c) parameter symbol value unit collector base voltage -v cbo 35 v collector emitter voltage -v ceo 30 v emitter base voltage -v ebo 5 v collector current -i c 800 ma base current -i b 160 ma collector power dissipation p tot 500 mw junction temperature t j 150 o c storage temperature range t s -55 to +150 o c characteristics at t amb = 25 o c parameter symbol min. typ. max. unit dc current gain at -v ce = 1 v, -i c = 100 ma at -v ce = 1 v, -i c = 700 ma o y h fe h fe h fe 100 160 35 - - - 200 320 - - - - collector cutoff current at -v cb = 35 v -i cbo - - 100 na emitter cutoff current at -v eb = 5 v -i ebo - - 100 na collector emitter breakdown voltage at -i c = 10 ma -v (br)ceo 30 - - v base emitter voltage at -v ce = 1 v, -i c = 10 ma -v be 0.5 - 0.8 v collector output capacitance at -v cb = 10 v, f = 1 mhz c ob - 19 - pf collector emitter saturation voltage at -i c = 500 ma, -i b = 20 ma -v ce(sat) - - 0.7 v transition frequency at -v ce = 5 v, -i c = 10 ma f t - 120 - mhz
dated : 22/03/2006 ? semtech electronics ltd. ( subsidiary of sino-tech internati onal holdings limited, a company listed on the hong kong stock exchange, stock code: 724 ) st 2sa1664u
dated : 22/03/2006 ? semtech electronics ltd. ( subsidiary of sino-tech internati onal holdings limited, a company listed on the hong kong stock exchange, stock code: 724 ) st 2sa1664u sot-89 package outline
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