Datasheet
4
Motorola Bipolar Power Transistor Device Data
Figure 8. Inductive Load Switching
Note A: Input pulse width is increased until I
CM
= 0.63 A.
INPUT
50
MJE171
R
BB1
=
150
Ω
100 mH
R
BB2
=
100
Ω
V
BB2
=
0
V
BB1
= 10 V
V
CE
MONITOR
TUT
V
CC
= 20 V
I
C
MONITOR
R
S
=
0.1
Ω
50
0.63 A
0 V
–5 V
t
w
≈
3 ms
(SEE NOTE A)
INPUT
VOLTAGE
COLLECTOR
CURRENT
COLLECTOR
VOLTAGE
V
CER
0 V
10 V
100 ms
V
CE(sat)
I
C
, COLLECTOR CURRENT (AMPS)
h
FE
, DC CURRENT GAIN
Figure 9. DC Current Gain
100
200
0.04 0.06 0.2 2.00.02
60
40
20
10
6.0
4.0
0.1
Figure 10. “On” Voltages
V
CE
= 10 V
2.0
0.6 1.00.4
25
°
C
T
J
= 150
°
C
–55
°
C
1.4
0.02
I
C
, COLLECTOR CURRENT (AMPS)
1.0
0.8
0.4
1.2
0.6
0.2
0
0.04 0.06 0.1 0.2 0.4 0.6
V, VOLTAGE (VOLTS)
1.0 2.0
V
BE(sat)
@ I
C
/I
B
= 5.0 V
V
BE(on)
@ V
CE
= 4 V
V
CE(sat)
@ I
C
/I
B
= 5.0 V