Philips Semiconductors
PNP medium frequency transistor
Product specification
BF450
FEATURES
• Low current (max. 25 mA)
• Low voltage (max. 40 V).
APPLICATIONS
• HF and IF stages in radio receivers
• Mixer stages in AM receivers.
DESCRIPTION
PNP medium frequency transistor in a TO-92; SOT54
plastic package.
PINNING
PIN
1
2
3
base
emitter
collector
DESCRIPTION
handbook, halfpage1
2
3
3
1
2
MAM271
Fig.1 Simplified outline (TO-92; SOT54)
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 = −1 mA; VCE = −10 V
IC = −1 mA; VCE = −10 V; f = 100 MHz
MIN.
−
−
−
−
50
350
MAX.
−40
−40
−25
300
−
−
UNIT
V
V
mA
mW
MHz
1997 Jul 11
2