BFP 450

Semiconductor Group

Sep-09-1998

4

SPICE Parameters (Gummel-Poon Model, Berkley-SPICE 2G.6 Syntax) :

Transistor Chip Data

IS =

0.13125

fA

VAF =

24.165

V

NE =

1.5563

-

VAR =

13.461

V

NC =

0.70543

-

RBM =

5.403

Ω

CJE =

3.2276

fF

TF =

7.5068

ps

ITF =

0.017655

mA

VJC =

1.1487

V

TR =

2.6912

ns

MJS =

0-

XTI =

3

-

NF =

0.79652

-

ISE =

28.341

pA

NR =

1.2966

-

ISC =

0.012292

A

IRB =

0.013181

mA

RC =

0.50084

Ω

MJE =

0.48672

-

VTF =

0.66148

V

CJC =

1049.5

fF

XCJC =

0.28285

-

VJS =

0.75

V

EG =

1.11

eV

TNOM

300

K

BF =

76.123

-

IKF =

0.58905

A

BR =

21.254

-

IKR =

0.25878

A

RB =

2.1659

Ω

RE =

0.45346

VJE =

0.95292

V

XTF =

0.69972

-

PTF =

0

deg

MJC =

0.50644

-

CJS =

0F

XTB =

0-

FC =

0.91274

-

C’-E’-Diode Data (Berkley-SPICE 2G.6 Syntax) :

IS =

25

fA

N =

1.05

-

RS =

5

Ω

All parameters are ready to use, no scalling is necessary

Package Equivalent Circuit:

0.31

nH

0.63

nH

0.2

nH

0.05

nH

0.29

nH

0.68

nH

208

fF

3.2

fF

213

fF

EHA07389

L

BI

BE

C

BO

L

C

EI

L

L

EO

CB

C

CI

L

CO

L

CE

C

Transistor

C’-E’-

B

Diode

E

E’

C’

B’

Chip

Valid up to 6GHz

The SOT-343 package has two emitter leads. To avoid high complexity of the package equivalent circuit,

both leads are combined in one electrical connection.

Extracted on behalf of SIEMENS Small Signal Semiconductors by:

Institut für Mobil-und Satellitentechnik (IMST)

© 1996 SIEMENS AG

For examples and ready to use parameters please contact your local Siemens distributor or salesoffice to

obtain a Siemens CD-ROM or see Internet: http://www.siemens.de/Semiconductor/products/35/35.htm

Semiconductor Group

4

1998-11-01