2SD2444K

Transistors

Rev.A

2/2

Electrical characteristic curves

AMBIENT TEMPERATURE : Ta

(

°C)

Fig.1 Grounded emitter output

characteristics

0

25

50

75

100

125

150

0

25

50

75

100

(V)

Fig.2 Grounded emitter propagation

characteristics

0

0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8

1m

2m

5m

10m

20m

200m

100m

50m

500m

1

25

°C

−40

°C

Ta=125

°C

Ta=25

°C

(V)

Fig.3 Grounded emitter output

characteristics

0

0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

Ta=25

°C

10mA

9mA

8mA

7mA

2mA

3mA

4mA

5mA

6mA

(A)

1m

2m

5m

10m 20m

50m 100m 200m

500m 1

1000

500

200

100

50

20

Ta

=25

°C

Fig.4 DC current gain vs.

collector current ( )

=5V

2V

1V

(A)

1m

2m

5m

10m 20m

50m 100m 200m

500m 1

1000

500

200

100

50

20

=2V

Fig.5 DC collector gain vs.

collector current (

)

Ta=125

°C

25

°C

−40°C

(A)

Fig.6 Collector-emitter saturation voltage

vs. collector current ( )

1m

2m

5m 10m 20m

50m 100m 200m 500m 1

20m

50m

100m

200m

500m

1

10m

5m

2m

1m

Ta

=25

°C

20

10

(A)

Fig.7 Collector-emitter saturation voltage

vs. collector current ( )

1m

2m

5m 10m 20m

50m 100m 200m 500m 1

20m

50m

100m

200m

500m

1

10m

5m

2m

1m

Ta=125

°C

25

°C

−40°C

(A)

Fig.8 Transition frequency vs.

emitter current

10

20

50

100

200

500

1000

10m

20m

50m

100m

200m

500m

1

Ta

=25

°C

f

=100MHz

=2V

(V)

Fig.9 Collector output capacitance vs.

collector-base voltage

0.1

0.2

0.5

1

2

5

10

20

50

100

20

50

100

200

500

1000

10

5

2

1

Ta

=25

°C

f=1MHz