Datasheet

©2001 Fairchild Semiconductor Corporation
BD157/158/159
Rev. A1, June 2001
Typical Characteristics
Figure 1. DC current Gain Figure 2. Collector-Emitter Saturation Voltage
Figure 3. Safe Operating Area Figure 4. Power Derating
1E-4 1E-3 0.01 0.1 1
1
10
100
1000
0.0001
V
CE
= 10V
0.001
h
FE
, DC CURRENT GAIN
I
C
[A], COLLECTOR CURRENT
1E-4 1E-3 0.01 0.1 1
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
I
C
= 10 I
B
V
CE
(sat)[V], SATURATION VOLTAGE
I
C
[A], COLLECTOR CURRENT
1 10 100 1000
1E-3
0.01
0.1
1
10
10µs
BD157
BD158
BD159
100
µ
s
500
µ
s
1ms
DC
I
C
MAX. (Pulsed)
I
C
[A], COLLECTOR CURRENT
V
CE
[V], COLLECTOR-EMITTER VOLTAGE
0 25 50 75 100 125 150 175
0
5
10
15
20
25
P
C
[W], POWER DISSIPATION
T
C
[
o
C], CASE TEMPERATURE