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DISCRETE SEMICONDUCTORS
DATA SHEET
BCF81
NPN general purpose transistor
Product specification
Supersedes data of 1997 May 22
File under Discrete Semiconductors, SC04
1997 Sep 03
Philips Semiconductors
www.DataSheet4U.com
NPN general purpose transistor
Product specification
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.
MARKING
TYPE NUMBER
BCF81
MARKING CODE
K9p
PINNING
PIN
1
2
3
base
emitter
collector
DESCRIPTION
handbook, halfpage
3
3
1
1
Top view
2
MAM255
2
Fig.1 Simplified outline (SOT23) and symbol.
QUICK REFERENCE DATA
SYMBOL
PARAMETER
VCBO
VCEO
ICM
Ptot
hFE
fT
collector-base voltage
collector-emitter voltage
peak collector current
total power dissipation
DC current gain
transition frequency
CONDITIONS
open emitter
open base
Tamb ≤ 25 °C
IC = 2 mA; VCE = 5 V
IC = 10 mA; VCE = 5 V; f = 100 MHz
MIN.
−
−
−
−
420
100
MAX.
50
45
200
250
800
−
UNIT
V
V
mA
mW
MHz
1997 Sep 03
2
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