PRF947 datasheet(9/16 Pages) PHILIPS

9 / 16 page

1999 Jul 23

Philips Semiconductors

Product speciﬁcation

UHF wideband transistor

PRF947

APPLICATION INFORMATION

SPICE parameters for the PRF947 die.

Notes

1. These parameters have not been extracted, the

default values are shown.

2. Cbpb, Cbpe: base-bondpad and emitter-bondpad

capacitance to collector.

List of components (see Fig.14)

SEQUENCE No.

PARAMETER

VALUE

UNIT

0.466

150.4

−

1.000

−

VAF

53.06

IKF

180.0

ISE

57.30

2.000

−

27.68

−

1.000

−

VAR

1.976

IKR

9.943

ISC

1.420

1.000

−

12.14

Ω

IRB

0.000

µA

RBM

4.957

Ω

0.597

Ω

1.988

Ω

19(1)

XTB

0.000

−

20(1)

1.110

21(1)

XTI

3.000

−

CJE

0.568

VJE

600.0

MJE

0.412

−

2.037

XTF

30.90

−

VTF

3.148

ITF

131.8

PTF

0.000

deg

CJC

205.8

VJC

296.2

MJC

0.118

−

XCJC

0.104

−

0.000

35(1)

CJS

0.000

36(1)

VJS

700.0

37(1)

MJS

0.000

−

0.943

−

39(2)

Cbpb

83.00

40(2)

Cbpe

84.00

1.000

−

4 x 10−16

−

DESIGNATION

VALUE

UNIT

Cbe

2fF

Ccb

100

Cce

100

0.34

0.10

0.34

0.60

SEQUENCE No.

PARAMETER

VALUE

UNIT

QLB = 50; QLE = 50;

QLB(f) = QLB√(f/fc);

QLE(f) = QLE√(f/fc);

fc = corner frequency = 1 GHz.

Fig.14 Package equivalent circuit SOT323.

handbook, halfpage

MBC964

L B

L E

C cb

Cbe

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