Transistor
2SD638, 2SD639
Silicon NPN epitaxial planer type
For medium-power general amplification Complementary to 2SB643 and 2SB644
s Features
q Low collector to emitter saturation voltage VCE(sat). q M type package allowing easy automatic and manual insertion as
well as stand-alone fixing to the printed circuit board.
s Absolute Maximum Ratings (Ta=25˚...
