dated : 05/09/2007 ? semtech electronics ltd. ( subsidiary of sino-tech internatio nal holdings limited, a company listed on the hong kong stock exchange, stock code: 724 ) MMDTA143X pnp silicon epitaxial planar transistor digital transistor (wit h built-in resistors) for switching and interface circuit and drive circuit applications absolute maximum ratings (t a = 25 o c) parameter symbol value unit supply voltage -v cc 50 v input voltage v i - 20 to + 7 v output current -i o 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 o = 5 v, -i o = 10 ma g i 30 - - - output current at -v cc = 50 v -i o(off) - - 0.5 a input current at -v i = 5 v -i i - - 1.8 ma input off voltage at -v cc = 5 v, -i o = 100 a -v i(off) - - 0.3 v input on voltage at -v o = 0.3 v, -i o = 20 ma -v i(on) 2.5 - - v output voltage at -i o = 10 ma, -i i = 0.5 ma -v o(on) - - 0.3 v input resistance r 1 3.29 4.7 6.11 k ? resistance ratio r 2 /r 1 1.7 2.1 2.6 - transition frequency at -v ce = 10 v, i e = 5 ma, f = 100 mhz f t - 250 - mhz base (input) emitter (common) r2 r1 collector (output) sot-23 plastic package
|
