dated : 11/ 04/2007 semtech electronics ltd. ( subsidiary of sino-tech internatio nal holdings limited, a company listed on the hong kong stock exchange, stock code: 724 ) ? MMDTA115W pnp silicon epitaxial planar digital transistor resistance values type r1 (k ? ) r2 (k ? ) MMDTA115W 100 100 absolute maximum ratings (t a = 25 o c) parameter symbol value unit collector emitter voltage -v ceo 50 v emitter base voltage v ebo - 40 to + 10 v collector current -i c 100 ma total power dissipation p tot 200 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 = 5 v, -i c = 5 ma h fe 82 - - - collector base cutoff current at -v cb = 50 v -i cbo - - 500 na emitter base cutoff current at -v eb = 5 v -i ebo - - 0.15 ma collector emitter saturation voltage at -i c = 5 ma, -i b = 0.25 ma -v cesat - - 0.3 v input off voltage at -v ce = 5 v, -i c = 100 a -v i(off) 0.5 - - v input on voltage at -v ce = 0.3 v, -i c = 1 ma -v i(on) - - 3 v transition frequency at -v ce = 10 v, i e = 5 ma, f = 100 mhz f t - 250 - mhz input resistance r1 70 100 130 k ? resistance ratio r2/r1 0.8 1 1.2 - base (input) emitter (common) r2 r1 collector (output)
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