
Transistor
ICEO — Ta
104
VCE=10V
103
102
10
1
0 20 40 60 80 100 120 140 160
Ambient temperature Ta (˚C)
Area of safe operation (ASO)
10
3
ICP
1 IC
Single pulse
Ta=25˚C
t=10ms
0.3
t=1s
0.1
0.03
0.01
0.003
0.001
0.1 0.3 1 3 10 30 100
Collector to emitter voltage VCE (V)
2SD0973, 2SD0973A
3