2/2

www.rohm.com

○

c

2009 ROHM Co., Ltd. All rights reserved.

2009.12 - Rev.A

Data Sheet

2SA1952



Electrical characteristics curves

(V)

Fig.1 Ground emitter output characteristics

0

−5

−4

−3

−2

−1

−5

−4

−3

−2

−1

0

Tc

=25°C

=0A

−10mA

−20mA

−30mA

−40mA

−50mA

−60mA

−70mA

−80m

A

−90m

A

(V)

Fig.2 Ground emitter propagation characteristics

−10

−2

−1

−0.5

−0.2

−0.1

−0.01

−0.02

−0.05

−5

−1.8

−1.6

−1.4

−1.2

−1.0

−0.8

−0.6

−0.4

−0.2

0

Ta

=100

°C

25

°C

−25

°C

= −2V

Pulsed

(A)

Fig.3 DC current gain vs. collector current

20

50

100

200

500

1000

10

5

2

1

−10

−2

−1

−0.2

−0.1

−0.01 −0.02 −0.05

−0.5

−5

Pulsed

= −2V

Ta

=100°C

25

°C

−25°C

(A)

Fig.4 Collector-emitter saturation voltage

Base-emitter saturation voltage

vs. collector current

−10

−2

−1

−0.2

−0.1

−0.01

−0.01

−0.02

−0.05

−0.1

−0.2

−0.5

−1

−2

−5

−10

−0.02 −0.05

−0.5

−5

Pulsed

=20

Ta

= −25°C

Ta

=100°C

25

°C

25

°C

−25°C

100

°C

(A)

Fig.5 Resistance ratio vs. emitter current

20

50

100

200

500

1000

10

5

2

1

0.001 0.002

0.01 0.02

0.05

0.1

0.2

0.5

1

0.005

Ta

=25

°C

= −10A

(V)

Fig.6 Collector output capacitance

vs. collector-base voltage

200

500

1000

2000

5000

10000

100

50

20

10

−0.1 −0.2 −0.5 −1 −2

−5 −10 −20 −50 −100

Ta

=25

°C

f

=1MHz

=0A

(A)

Fig.7 Switching characteristics

0.2

0.5

1

2

5

10

0.1

0.05

0.02

0.01

−0.05

−0.2

−0.1

−0.5 −1 −2

−5 −10 −20 −50