2SC2412K / 2SC4081 / 2SC4617 /
Transistors 2SC5658 / 2SC1740S
0.2
20
10 0.5 1 2 5 10 20 50 100 200
50
100
200
500
VCE=5V
3V
1V
Ta=25°C
Fig.4 DC current gain vs.
collector current ( Ι )
DC CURRENT GAIN : hFE
COLLECTOR CURRENT : IC
(mA)
0.2 0.5 1 2 5 10 20 50 100 200
20
10
50
100
200
500
25°C
−55°C
Ta=100°CVCE=
5V
Fig.5 DC current gain vs.
collector current ( ΙΙ )
DC CURRENT GAIN : hFE
COLLECTOR CURRENT : IC (mA)
Fig. 6 Collector-emitter saturation
voltage vs. collector current
0.2
COLLECTOR SATURATION VOLTAGE : V
CE(sat)
(V)
COLLECTOR CURRENT : IC (mA)
0.01
0.02
0.05
0.1
0.2
0.5
0.5 1 2 5 10 20 50 100 200
IC/IB=50
20
10
Ta=25°C
Fig.7 Collector-emitter saturation
voltage vs. collector current ( Ι )
0.2
COLLECTOR SATURATION VOLTAGE : V
CE(sat)
(V)
COLLECTOR CURRENT : IC (mA)
0.01
0.02
0.05
0.1
0.2
0.5
0.5 1 2 5 10 20 50 100 200
IC/IB=10
Ta=100°C
25°C
−55°C
Fig.8 Collector-emitter saturation
voltage vs. collector current (ΙΙ)
COLLECTOR SATURATION VOLTAGE : V
CE(sat)
(V)
COLLECTOR CURRENT : IC (mA)
0.2
0.01
0.02
0.05
0.1
0.2
0.5
0.5 1 2 5 10 20 50 100
IC/IB=50
Ta=100°C
25°C
−55°C
Fig.9 Gain bandwidth product vs.
emitter current
50
−0.5 −1−2−5−10 −20 −50 −100
100
200
500
Ta=25°C
VCE=6V
EMITTER CURRENT : IE
(mA)
TRANSITION FREQUENCY : fT
(MHz)
Fig.10 Collector output capacitance vs.
collector-base voltage
Emitter input capacitance vs.
emitter-base voltage
COLLECTOR TO BASE VOLTAGE : V
CB
(V)
EMITTER TO BASE VOLTAGE : V
EB
(V)
COLLECTOR OUTPUT CAPACITANCE : Cob (pF)
EMITTER INPUT CAPACITANCE : Cib (pF)
0.2 0.5 1 2 5 10 20 50
1
2
5
10
20
Cob
Ta=25°C
f
=
1MHz
I
E
=0A
I
C
=0A
Cib
Fig.11 Base-collector time constant
vs. emitter current
−0.2 −0.5 −1−2−5−10
BASE COLLECTOR TIME CONSTANT : Cc·r
bb' (ps)
EMITTER CURRENT : I
E
(mA)
10
20
50
100
200 Ta=25°C
f=32MH
Z
V
CB
=6V