Transistor
2SD638, 2SD639
Silicon NPN epitaxial planer type
For medium-power general amplification Complementary to 2SB643 and 2SB644
6.9±0.1 2.5±0.1 1.0
Unit: mm
2.4±0.2 2.0±0.2 3.5±0.1
q q
Low collector to emitter saturation voltage VCE(sat). M type package allowing easy automatic and manual insertion as well as stand-alone fixing to the printed circu...
