2SD668, 2SD668A
Maximum Collector Dissipation Curve
1.5
Collector power dissipation Pc (W)
1.0
0.5
0
50
100
Ambient temperature Ta (°C)
Typical Output Characteristics
150
20
Collector current I
C
(mA)
100
16
90
80
70
12
60
50
8
40
30
4
20
10
µA
I
B
= 0
0
2
4
6
8
10
Collector to emitter voltage V
CE
(V)
Typical Transfer Characteristics
100
Collector current I
C
(mA)
V
CE
= 5 V
30
Ta = 75
°C
10
1
0
0.2 0.4 0.6 0.8 1.0 1.2
Base to emitter voltage V
BE
(V)
DC Current Transfer Ratio
vs. Collector Current
280
DC current transfer ratio h
FE
240
200
160
120
80
40
0.5
25
–25
Ta = 75°C
V
CE
= 5 V
1.0
2
5
10
20
Collector current I
C
(mA)
–25
3
25
50
3
2SD668, 2SD668A
1.2
l
C
= 10 l
B
1.0
0.8
0.6
0.4
0.2
25
0
–0.1
Collector current I
C
(mA)
0
V
CE (sat)
V
BE (sat)
Ta = –25
°C
25
75
0.24
0.20
0.16
0.12
0.08
=
°
C
–25
75
Ta
0.04
Gain Bandwidth Product
vs. Collector Current
500
Gain bandwidth product f
T
(MHz)
V
CE
= 10 V
200
100
50
20
10
1
2
5
10
20
Collector current I
C
(mA)
50
Collector Output Capacitance
vs. Collector to Base Voltage
Collector output capacitance C
ob
(pF)
50
f = 1 MHz
I
E
= 0
20
10
5
2
1.0
0.5
1
2
5
10
20
50 100
Collector to base voltage V
CB
(V)
4
Collector to emitter saturation voltage V
CE (sat)
(V)
Saturation Voltage vs. Collector Current
Base to emitter saturation voltage V
BE (sat)
(V)
2SD668, 2SD668A
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examples described herein.
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