Data Sheet

KSH122 / KSH122I — NPN Silicon Darlington Transistor
www.onsemi.com
3
Typical Performance Characteristics
Figure 1. DC Current Gain Figure 2. Base-Emitter Saturation Voltage
Collector-Emitter Saturation Voltage
Figure 3. Collector Output Capacitance Figure 4. Turn-On Time
Figure 5. Turn-Off Time Figure 6. Safe Operating Area
0.1 1 10
100
1k
10k
V
CE
= 4V
h
FE
, DC CURRENT GAIN
I
C
[A], COLLECTOR CURRENT
0.1 1 10 100
0.01
0.1
1
10
I
C
= 250 I
B
V
CE
(sat)
V
BE
(sat)
V
BE
(sat), V
CE
(sat)[V], SATURATION VOLTAGE
I
C
[A], COLLECTOR CURRENT
0.1 1 10 100
1
10
100
1000
C
ob
[pF], CAPACITANCE
V
CB
[V], COLLECTOR-BASE VOLTAGE
0.1 1 10
0.01
0.1
1
10
V
CC
= 30V
I
C
=250I
B
I
B1
=-I
B2
t
D
, V
BE
(off)=0
t
R
t
R
,t
D
[s], TURN ON TIME
I
C
[A], COLLECTOR CURRENT
0.1 1 10
0.1
1
10
V
CC
=30V
I
C
=250I
B
t
F
t
STG
t
STG
,t
F
[s], TURN OFF TIME
I
C
[A], COLLECTOR CURRENT
1 10 100 1000
0.01
0.1
1
10
100
5
0
0

s
5
m
s
1
0
0

s
1
m
s
D
C
I
C
[A], COLLECTOR CURRENT
V
CE
[V], COLLECTOR-EMITTER VOLTAGE