BD249, BD249A, BD249B, BD249C
NPN SILICON POWER TRANSISTORS
JUNE 1973 - REVISED MARCH 1997
TYPICAL CHARACTERISTICS
TYPICAL DC CURRENT GAIN
vs
COLLECTOR CURRENT
1000
V
CE
= 4 V
T
C
= 25°C
t
p
= 300 µs, duty cycle < 2%
TCS635AD
COLLECTOR-EMITTER SATURATION VOLTAGE
vs
BASE CURRENT
V
CE(sat)
- Collector-Emitter Saturation Voltage - V
10
TCS635AB
h
FE
- DC Current Gain
100
1·0
10
0·1
I
C
= 25 A
I
C
= 20 A
I
C
= 15 A
I
C
= 10 A
0·1
1·0
10
100
1
0·1
1·0
10
100
0·01
0·001
I
C
= 300 mA
I
C
= 1 A
I
C
= 3 A
0·01
I
C
- Collector Current - A
I
B
- Base Current - A
Figure 1.
Figure 2.
BASE-EMITTER VOLTAGE
vs
COLLECTOR CURRENT
2·0
V
CE
= 4 V
T
C
= 25°C
TCS635AC
1·8
V
BE
- Base-Emitter Voltage - V
1·6
1·4
1·2
1·0
0·8
0·6
0·1
1·0
10
100
I
C
- Collector Current - A
Figure 3.
PRODUCT
INFORMATION
3