fT – IC
300
Common emitter
Tc = 25°C
100
VCE = −5 V
50
−2
30
10
−3
−10
−30
−100
−300
Collector current IC (mA)
2SA1408
Cob – VCB
100
Common emitter
50
f = 1 MHz
Tc = 25°C
30
10
5
3
−1
−3
−10
−30
−100
Collector-base voltage VCB (V)
Safe Operating Area
−5
IC max (pulsed)*
−3
1 ms*
IC max (continuous)
10 ms*
−1
100 ms*
−0.5
−0.3
DC operation
Tc = 25°C
*: Single nonrepetitive pulse
−0.1 Tc = 25°C
Curves must be derated
linearly with increase in
−0.05
temperature.
−0.03
−3
−10
−30
VCEO max
−100
−300
Collector-emitter voltage VCE (V)
4
2006-11-09