Power
Transistors
2SD1274, 2SD1274A, 2SD1274B
Silicon
NPN triple diffusion planar type
For power amplification
s Features
q High collector to base voltage VCBO q High-speed switching q Full-pack package which can be installed to the heat sink with
one screw
s Absolute Maximum Ratings (TC=25˚C)
Parameter
Symbol
Ratings
Collector to base voltage
2SD1274 2SD1274A 2SD1274B
VCBO
150 200 250
2SD1274 Collector to
2SD1274A emitter voltage
2SD1274B
VCES
150 200 250
Collector to emitter voltage
Emitter to base voltage
Collector current
Collector power TC=25°C
dissipation
Ta=25°C
VCEO VEBO IC
PC
80 6 5 40 2
Junction temperature Storage temperature
Tj 150 Tstg –55 to +150
Unit
V...