1997 Sep 03

2

Philips Semiconductors

Product specification

NPN general purpose transistor

BCF81

FEATURES

• Low current (max. 100 mA)

• Low voltage (max. 45 V).

APPLICATIONS

• Low level, low noise general purpose applications in

thick and thin-film circuits.

DESCRIPTION

NPN transistor in a SOT23 plastic package.

PINNING

PIN

DESCRIPTION

1

base

2

emitter

3

collector

Fig.1 Simplified outline (SOT23) and symbol.

handbook, halfpage

2

1

3

MAM255

Top view

2

3

1

MARKING

TYPE NUMBER

MARKING CODE

BCF81

K9p

QUICK REFERENCE DATA

SYMBOL

PARAMETER

CONDITIONS

MIN.

MAX.

UNIT

collector-base voltage

open emitter

−

50

V

collector-emitter voltage

open base

−

45

V

peak collector current

−

200

mA

total power dissipation

−

250

mW

DC current gain

420

800

transition frequency

100

−

MHz