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
q q q
1.5 R0.9 R0.9
0.85
(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 t...
