D637
D637 is 2SD637 manufactured by Panasonic.
Transistor
2SD637
Silicon NPN epitaxial planer type
For low-power general amplification
Unit: mm
6.9±0.1 1.5 2.5±0.1 1.0
1.0 2.4±0.2 2.0±0.2 3.5±0.1 s Features
High foward current transfer ratio hFE. 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. .. q q
1.5 R0.9 R0.9
1.0±0.1
0.
(Ta=25˚C)
Ratings 60 50 7 200 100 400 150
- 55 ~ +150 Unit V V V mA mA mW ˚C ˚C
1:Base 2:Collector 3:Emitter
2.5 2.5 3 2 1
Parameter Collector to base voltage Collector to emitter voltage Emitter to base voltage Peak collector current Collector current...
