Philips bf470 DATASHEETS

DISCRETE SEMICONDUCTORS

DATA SH EET

ook, halfpage

M3D100

BF470; BF472

PNP high-voltage transistors

Product specification
Supersedes data of September 1994

1996 Dec 09

File under Discrete Semiconductors, SC04

Philips Semiconductors Product specification

PNP high-voltage transistors BF470; BF472

FEATURES

• Low feedback capacitance.

APPLICATIONS

handbook, halfpage

2

• Class-B video output stages in television receivers and
for high-voltage IF output stages.

DESCRIPTION

3

1

PNP transistors in a TO-126; SOT32 plastic package.
NPN complements: BF469 and BF471.

123

Top view

MAM272

PINNING

PIN DESCRIPTION

1 emitter
2 collector, connected to mounting base

Fig.1 Simplified outline (TO-126; SOT32) and

symbol.

3 base

QUICK REFERENCE DATA

SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT

V

CBO

collector-base voltage open emitter

BF470 −−250 V
BF472 −−300 V

V

CEO

collector-emitter voltage open base

BF470 −−250 V

BF472 −−300 V
I
P
h
C
f

CM

tot

FE

re

T

peak collector current −−100 mA
total power dissipation Tmb≤ 114 °C − 1.8 W
DC current gain IC= −25 mA; VCE= −20 V 50 −
feedback capacitance IC=ic= 0; VCE= −30 V; f = 1 MHz − 1.8 pF
transition frequency IC= −10 mA; VCE= −10 V; f = 100 MHz 60 − MHz

1996 Dec 09 2