VBE (sat) – IC
−10
Common emitter
−5
IC/IB = 20
−3
Tc = −55°C
−1
−0.5
25
−0.3
100
−0.1
−0.03
−0.1
−0.3
−1
−3
−10
Collector current IC (A)
Safe Operating Area
−10
IC max (pulsed)*
−5
−3 IC max (continuous)
DC operation Tc = 25°C
1 ms*
10 ms*
−1
−0.5
−0.3
−0.1
−0.05
−0.03
*: Single nonrepetitive pulse
Tc = 25°C
Curves must be derated linearly
with increase in temperature.
−0.01
−0.1 −0.3
−1
−3
VCEO max
−10
−30
Collector-emitter voltage VCE (V)
−100
2SA1244
IC – VBE
−5
Common emitter
VCE = −1 V
−4
−3
Tc = 100°C
25
−2
−55
−1
0
0
−0.4 −0.8 −1.2 −1.6 −2.0 −2.4
Base-emitter voltage VBE (V)
28
24
(1)
20
PC – Ta
(1) Tc = Ta infinite heat sink
(2) Ceramic substrate
50 × 50 × 0.8 mm
(3) No heat sink
16
12
8
4 (2)
(3)
0
0 20 40 60 80 100 120 140 160
Ambient temperature Ta (°C)
4
2002-07-23