BF422 datasheet(2/6 Pages) NXP

Part #	BF422

Description	NPN high-voltage transistors

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Manufacturer	NXP [NXP Semiconductors]

Direct Link	http://www.nxp.com

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2 / 6 page

2004 Nov 10

2

NXP Semiconductors

Product data sheet

NPN high-voltage transistors

BF420; BF422

FEATURES

• Low feedback capacitance.

APPLICATIONS

• Class-B video output stages in colour television and

professional monitor equipment.

DESCRIPTION

NPN transistors in a TO-92 plastic package.

PNP complements: BF421 and BF423.

PINNING

DESCRIPTION

1

base

2

collector

3

emitter

Fig.1

Simplified outline (TO-92) and symbol.

handbook, halfpage1

3

2

MAM259

2

1

3

ORDERING INFORMATION

QUICK REFERENCE DATA

TYPE NUMBER

PACKAGE

NAME

DESCRIPTION

VERSION

BF420

SC-43A

plastic single-ended leaded (through hole) package; 3 leads

SOT54

BF422

SYMBOL

PARAMETER

CONDITIONS

MIN.

MAX.

UNIT

VCBO

collector-base voltage

open emitter

BF420

−

300

V

BF422

−

250

V

VCEO

collector-emitter voltage

open base

BF420

−

300

V

BF422

−

250

V

ICM

peak collector current

−

100

mA

Ptot

total power dissipation

Tamb ≤ 25 °C

−

830

mW

hFE

DC current gain

VCE = 20 V; IC = 25 mA

50

−

Cre

feedback capacitance

VCE = 30 V; IC = ic = 0 A; f = 1 MHz

−

1.6

pF

fT

transition frequency

VCE = 10 V; IC = 10 mA; f = 100 MHz

60

−

MHz

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BF422 Datasheet(PDF) 2 Page - NXP Semiconductors

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