H parameter  v, Nf  i, H parameter  i – Panasonic Transistors 2SB1218A User Manual

Page 3

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2SB1218A

3

SJC00071BED

h Parameter

 V

CE

NF

 I

E

NF

 I

E

h Parameter

 I

E

0.01

0.1

1

10

0

6

5

4

3

2

1

V

CB

= −5 V

f

= 1 kHz

R

g

= 2 kΩ

T

a

= 25°C

Noise figure NF

(dB

)

Emitter current I

E

(mA)

0.1

1

10

0

20

16

12

8

4

V

CB

= −5 V

R

g

= 50 kΩ

T

a

= 25°C

f

= 100 Hz

10 kHz

1 kHz

Noise figure NF

(dB

)

Emitter current I

E

(mA)

0.1

1

10

1

100

10

V

CE

= −5 V

f

= 270 Hz

T

a

= 25°C

h

fe

h

oe

(

µS)

h

ie

(k

Ω)

h

re

(

× 10

−4

)

h Parameter

Emitter current I

E

(mA)

−1

−10

−100

1

100

10

I

E

= 2 mA

f

= 270 Hz

T

a

= 25°C

h

fe

h

oe

(

µS)

h

ie

(k

Ω)

h

re

(

× 10

−4

)

h Parameter

Collector-emitter voltage V

CE

(V)

This product complies with the RoHS Directive (EU 2002/95/EC).

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