2SA1900

Transistors

Rev.A

2/2

Electric characteristics curves

Ta=25

°C

Fig.1 Grounded emitter output characteristics

−1

−2

−3

−4

−5

0

−0.8

−1.0

−0.6

−0.4

−0.2

0

−10mA

−9mA

−8mA

−7mA

−6mA

−5mA

−4mA

−3mA

−1mA

−2mA

Fig.2 DC current gain

vs. collector current

−0.01

−0.1

−0.001

−1 −2

10

20

50

100

200

500

1000

5

1

2

−3V

Ta=25

°C

Fig.3 Collector-emitter saturation voltage

vs.collector current

−100m

−1m

−10m

−1 −2

−10

−20

−50

−100

−200

−500

−1000

−5

−1

−2

Ta=25

°C

1000

1

0.1

0.2

0.5

10m 20m

50m

1m 2m

5m

100

200

500

10

20

50

1

2

5

(A)

Fig.4 Gain bandwith product

vs. emitter current

Ta

=25°C

=−5V

Ta=25

°C

f=1MHz

Fig.5 Collector output capacitance

vs. collector-base voltage

−0.1

−1

−100

−10

10

20

50

100

200

500

1000

5

1

2

100ms

∗

DC

Fig.6 Safe operating area

−1

−10

−0.1

−100

−5

−10

−1

−2

−0.1

−0.2

−0.5

−0.05

−0.01

−0.02

Ta=25

°C

nonrepeatitive pulse