BF420 데이터 시트보기 (PDF) - Philips Electronics

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BF420

NPN high-voltage transistors

Philips Electronics 

Philips Semiconductors

NPN high-voltage transistors

Product specification

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

PIN

1

2

3

base

collector

emitter

DESCRIPTION

handbook, halfpage1

2

3

2

1

3

MAM259

Fig.1 Simplified outline (TO-92) and symbol.

QUICK REFERENCE DATA

SYMBOL

PARAMETER

VCBO

collector-base voltage

BF420

BF422

VCEO

collector-emitter voltage

BF420

BF422

ICM

peak collector current

Ptot

total power dissipation

hFE

DC current gain

Cre

feedback capacitance

fT

transition frequency

CONDITIONS

open emitter

open base

Tamb ≤ 25 °C

IC = 25 mA; VCE = 20 V

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

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

MIN. MAX. UNIT

−

300

V

−

250

V

−

300

V

−

250

V

−

100

mA

−

830

mW

50

−

−

1.6

pF

60

−

MHz

1996 Dec 09

2

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