1996 Dec 09

2

Philips Semiconductors

Product specification

PNP high-voltage transistors

BF470; BF472

FEATURES

• Low feedback capacitance.

APPLICATIONS

• Class-B video output stages in television receivers and

for high-voltage IF output stages.

DESCRIPTION

PNP transistors in a TO-126; SOT32 plastic package.

NPN complements: BF469 and BF471.

PINNING

PIN

DESCRIPTION

1

emitter

2

collector, connected to mounting base

3

base

Fig.1

Simplified outline (TO-126; SOT32) and

symbol.

handbook, halfpage

MAM272

12

3

Top view

1

2

3

QUICK REFERENCE DATA

SYMBOL

PARAMETER

CONDITIONS

MIN.

MAX.

UNIT

collector-base voltage

open emitter

BF470

−−250

V

BF472

−−300

V

collector-emitter voltage

open base

BF470

−−250

V

BF472

−−300

V

peak collector current

−−100

mA

total power dissipation

−

1.8

W

DC current gain

50

−

feedback capacitance

−

1.8

pF

transition frequency

60

−

MHz