TYPICAL CHARACTERISTICS
BUT34
400
200
100
50
30
20
10
5
3
2
TC = 25°C
VCE = 5.0 V
1
1
2 34
7 10
20 30 40 60
IC, COLLECTOR CURRENT (AMPS)
Figure 1. DC Current Gain
4
3
2
1 TC = 25°C
IC = 20 A
IC = 40 A
0
0.1
0.2 0.3 0.5
1
2 3 5 7 10
IB, BASE CURRENT (AMPS)
Figure 2. Collector Saturation Region
2.5
TC = 25°C
IC/IB = 10
2.2
1.9
1.6
1.3
40°C
1.0
25°C
0.7
100°C
0.4
1
23
5 7 10
20 30 50
IC, COLLECTOR CURRENT (AMPS)
Figure 3. Collector–Emitter Saturation Voltage
3.2
TC = 25°C
IC/IB = 10
2.8
2.5
2.2
1.9
1.6 25°C
1.3
1.0
1
100°C
23
5 7 10
20 30 50
IC, COLLECTOR CURRENT (AMPS)
Figure 4. Base–Emitter Voltage
1
0.7 D = 0.5
0.5
0.3
0.2
0.2
0.1
0.1 0.05
0.07
0.05 0.02
0.03
0.01
0.02 SINGLE PULSE
0.01
0.01 0.02 0.03 0.05 0.1
RθJC(t) = r(t) RθJC
RθJC = 1.17°C/W MAX
D CURVES APPLY FOR POWER
PULSE TRAIN SHOWN
READ TIME AT t1
TJ(pk) – TC = P(pk) RθJC(t)
P(pk)
t1
t2
DUTY CYCLE, D = t1/t2
0.2 0.3 0.5 1
23 5
t, TIME (ms)
10 20 30 50
Figure 5. Thermal Response
100 200 300 500 100
0
Motorola Bipolar Power Transistor Device Data
3