
2SD2114K / 2SD2144S
Transistors
Rev.B
3/4
1
2
5
10 20
50 100 200 500 1000
10
20
50
100
200
500
1000
2000
5000
10000
Ta
=25
°C
Measured using
pulse current.
DC
CURRENT
GAIN
:
h
FE
COLLECTOR CURRENT : IC
(mA)
Fig.4 DC current gain vs. collector
current ( )
3V
VCE
=5V
1V
1
2
5
10 20
50 100 200
500 1000
10000
5000
2000
1000
500
200
100
50
20
10
VCE
=3V
Measured using
pulse current.
DC
CURRENT
GAIN
:
h
FE
COLLECTOR CURRENT : IC
(mA)
Fig.5 DC current gain vs.
collector current (
)
25
°C
25°C
Ta
=100°C
1
2
2000
1000
200
500
100
20
50
10
5
2
5
10
20
50 100 200
5001000
Ta
=25
°C
Measured using
pulse current.
10
25
50
IC/IB
=100
COLLECTOR
SATURATION
VOLTAGE
:
V
CE(sat)
(mV)
COLLECTOR CURRENT : IC
(mA)
Fig.6 Collector-emitter saturation
voltage vs. collector current ( )
COLLECTOR
SATURATION
VOLTAGE
:
V
CE(sat)
(mV)
1
2
2000
1000
200
500
100
20
50
10
5
2
5
10
20
50 100 200 5001000
IC
/IB
=25
Measured using
pulse current.
COLLECTOR CURRENT : IC
(mA)
Fig.7 Collector-emitter saturation
voltage vs. collector current (
)
Ta
=100°C
25
°C
25°C
BASE
SATURATION
VOLTAGE
:
V
BE(sat)
(mV)
COLLECTOR CURRENT : IC
(mA)
Fig.8 Base-emitter saturation
voltage vs. collector current ( )
1
2
5
10
20
50 100 200
500 1000
10000
5000
2000
1000
500
200
100
50
20
10
Ta
=25
°C
Pulsed
IC/IB
=10
25
50
100
1
2
5 10
20
50 100 200
5001000
10000
5000
2000
1000
500
200
100
50
20
10
BASE
SATURATION
VOLTAGE
:
V
BE(sat)
(mV)
COLLECTOR CURRENT : IC
(mA)
Fig.9 Base-emitter saturation voltage
vs. collector current (
)
Measured using
pulse current.
lC/lB
=10
25
°C
100
°C
Ta
=25°C
TRANSITION
FREQUENCY
:
f
T
(MHz)
EMITTER CURRENT : IE
(mA)
Fig.10 Gain bandwidth product vs.
emitter current
1 2
5 10 20 50 100 200 500 1000
10000
5000
2000
500
200
1000
100
20
50
10
Ta
=25
°C
VCE
=10V
Measured using
pulse current.
0.1 0.2
0.5 1
2
5
10 20
50 100
COLLECTOR
OUTPUT
CAPACITANCE
:
Cob
(pF)
COLLECTOR TO BASE VOLTAGE : VCB
(V)
Fig.11 Collector output capacitance
vs. collector-base voltage
100
200
500
1000
10
20
50
2
5
1
Ta
=25
°C
f
=1MHz
IE
=0A
0.01 0.02 0.05 0.1 0.2
0.5
1
2
5
10
ON
RESISTANCE
:
Ron
(
)
BASE CURRENT : IB
(mA)
Fig.12 Output-on resistance vs.
base current
0.1
0.2
0.5
1
2
5
10
20
50
100
Ta=25
°C
f=1kHz
Vi=100mV(rms)
RL=1k