2SD2114K
10000
5000
2000
1000
500
Ta=25°C
VCE=10V
Measured using
pulse current.
200
100
50
20
10
−1 −2 −5 −10 −20 −50 −100 −200 −500 −1000
EMITTER CURRENT : IE (mA)
Fig.10 Gain bandwidth product vs.
emitter current
1000
500
200
100
50
Ta=25°C
f=1MHz
IE=0A
20
10
5
2
1
0.1 0.2 0.5 1 2 5 10 20 50 100
COLLECTOR TO BASE VOLTAGE : VCB (V)
Fig.11 Collector output capacitance
vs. collector-base voltage
Ron measurement circuit
RL=1kΩ
Input
vi
IB
1kHz
100mV(rms)
V
Output
v0
Ron=
v0
vi−v0
×RL
Data Sheet
100
Ta=25°C
50
f=1kHz
Vi=100mV(rms)
20
RL=1kΩ
10
5
2
1
0.5
0.2
0.1
0.01 0.02 0.05 0.1 0.2 0.5 1 2
5 10
BASE CURRENT : IB (mA)
Fig.12 Output-on resistance vs.
base current
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2012.01 - Rev.C