1996 Feb 06

2

Philips Semiconductors

Product specification

UHF power transistor

BLX94C

FEATURES

• Withstands full load mismatch

• Emitter ballasting resistors for an optimum temperature

profile

• Gold metallization ensures excellent reliability.

APPLICATIONS

• Transmitting applications in the UHF range with a

nominal supply voltage up to 28 V.

DESCRIPTION

NPN silicon planar epitaxial transistor primarily intended

for class-A, B or C operation. The transistor is

encapsulated in a 4-lead SOT122A stud envelope with a

ceramic cap.

PINNING - SOT122A

PIN

SYMBOL

DESCRIPTION

1

c

collector

2

e

emitter

3

b

base

4

e

emitter

Fig.1 Simplified outline and symbol.

handbook, halfpage

2

3

1

4

MAM229

e

c

b

QUICK REFERENCE DATA

MODE OF

OPERATION

f

(MHz)

(V)

(W)

(dB)

(%)

CW, class-B

470

28

25

>6.5

>55

WARNING

Product and environmental safety - toxic materials

This product contains beryllium oxide. The product is entirely safe provided that the BeO disc is not damaged.

All persons who handle, use or dispose of this product should be aware of its nature and of the necessary safety

precautions. After use, dispose of as chemical or special waste according to the regulations applying at the location of

the user. It must never be thrown out with the general or domestic waste.