dated : 15/ 05/2007 semtech electronics ltd. ( subsidiary of sino-tech internatio nal holdings limited, a company listed on the hong kong stock exchange, stock code: 724 ) ? MMDTA124W pnp silicon epitaxial planar digital transistor resistance values type r1 (k ? ) r2 (k ? ) MMDTA124W 22 22 absolute maximum ratings (t a = 25 o c) parameter symbol value unit collector base voltage -v cbo 50 v collector emitter voltage -v ceo 50 v emitter base voltage -v ebo 10 v input voltage v i - 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 - 65 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 60 - - - collector base cutoff current at -v cb = 50 v -i cbo - - 100 na collector emitter cutoff current at -v ce = 30 v -i ceo - - 1 a emitter base cutoff current at -v eb = 5 v -i ebo - - 180 a collector emitter saturation voltage at -i c = 10 ma, -i b = 0. 5 ma -v cesat - - 0.15 v input off voltage at -v ce = 5 v, -i c = 100 a -v i(off) - - 0.8 v input on voltage at -v ce = 0.3 v, -i c = 5 ma -v i(on) 2.5 - - v input resistance r1 15.4 22 28.6 k ? resistance ratio r2/r1 0.8 1 1.2 - base (input) emitter (common) r2 r1 collector (output)
|
