2SC4081UB Datasheet, PDF (3/4 Pages) Rohm – General purpose small signal amplifier

Transistors
20
10
Cib
5
Ta=25°C
f=1MHz
200
IE=0A
IC=0A
100
50
Ta=25°C
f=32MHZ
VCB=6V
2
Cob
1
0.2 0.5 1 2
5 10 20 50
COLLECTOR TO BASE VOLTAGE : VCB (V)
EMITTER TO BASE VOLTAGE : VEB (V)
Fig.10 Collector output capacitance vs.
collector-base voltage
Emitter input capacitance vs.
emitter-base voltage
20
10
−0.2
−0.5 −1 −2
−5 −10
EMITTER CURRENT : IE (mA)
Fig.11 Base-collector time constant
vs. emitter current
2SC4081UB
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