2SB1434
Transistors
PC Ta
1.2
Copper plate at the collector
is more than 1 cm2 in area,
1.7 mm in thickness.
1.0
0.8
0.6
0.4
0.2
0
0 20 40 60 80 100 120 140 160
Ambient temperature Ta (°C)
IC VCE
−2.4
Ta = 25°C
−2.0
−1.6
−1.2
− 0.8
− 0.4
IB = −8 mA
−7 mA
−6 mA
−5 mA
−4 mA
−3 mA
−2 mA
−1 mA
0
0
–2 –4 –6 –8 –10
Collector to emitter voltage VCE (V)
VCE(sat) IC
−10
IC / IB = 20
−3
−1
− 0.3
− 0.1
− 0.03
− 0.01
Ta = 100°C
25°C
−25°C
− 0.003
− 0.001
− 0.01 − 0.03 − 0.1 − 0.3 −1 −3 −10
Collector current IC (A)
VBE(sat) IC
−100
IC / IB = 20
−30
−10
−3
−1
− 0.3
− 0.1
25°C Ta = −25°C
75°C
− 0.03
− 0.01
− 0.01 − 0.03 − 0.1 − 0.3 −1 −3 −10
Collector current IC (A)
hFE IC
500
VCE = −2 V
400
300
Ta = 100°C
200
25°C
−25°C
100
0
− 0.01 − 0.03 − 0.1 − 0.3 −1 −3 −10
Collector current IC (A)
fT IE
200
VCB = −10 V
Ta = 25°C
160
120
80
40
0
1
3
10
30
100
Emitter current IE (mA)
Cob VCB
240
IE = 0
f = 1 MHz
200
Ta = 25°C
160
120
80
40
0
−1
−3
−10
−30
−100
Collector to base voltage VCB (V)
2