2SD2678

Transistors

2/2

10

100

1000

0.001

0.01

0.1

1

10

100

Fig.6 Collector output capacitance

vs. collector-base voltage

Emitter input capacitance

vs. emitter-base voltage

IC=0A

f=1MHz

Cib

Cob

Electrical characteristics curves

10

100

1000

0.001

0.01

0.1

1

10

Fig.1 DC current gain

vs. collector current

−2V

Pulsed

Ta=100 C

Ta=25 C

Ta=40 C

Pulsed

Ta=25 C

Ta=

−45 C

Ta=100 C

0.01

0.1

1

10

0.001

0.01

0.1

1

10

COLLECTOR CURRENT : IC (A)

Fig.2 Collector-emitter saturation voltage

vs. collector current

0.1

1

10

0.001

0.01

0.1

1

10

Fig.3 Base-emitter saturation voltage

vs.collector current

Ta=25 C

Pulsed

0.1

1

10

0.001

0.01

0.1

1

10

Fig.4 Grounded emitter propagation

characteristics

Pulsed

Ta=100 C

Ta=25 C

Ta=

−45 C

10

100

1000

0.01

0.1

1

10

Ta=25 C

−2V

f= 100MHz

Fig.5 Gain bandwidth product

vs. emitter current