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BFP450 Datasheet, PDF (1/7 Pages) Siemens Semiconductor Group – NPN Silicon RF Transistor (For medium power amplifiers)
NPN Silicon RF Transistor
 For medium power amplifiers
 Compression point P-1dB = +19 dBm at 1.8 GHz
maximum available gain Gma = 15.5 dB at 1.8 GHz
Noise figure F = 1.25 dB at 1.8 GHz
 Transition frequency fT = 24 GHz
 Gold metallization for high reliability
 SIEGET  25 GHz fT - Line
SIEGET25 BFP450
3
4
2
1
VPS05605
ESD: Electrostatic discharge sensitive device, observe handling precaution!
Type
BFP450
Marking
ANs
Pin Configuration
1=B 2=E 3=C 4=E
Package
SOT343
Maximum Ratings
Parameter
Symbol
Value
Collector-emitter voltage
Collector-base voltage
Emitter-base voltage
Collector current
Base current
Total power dissipation
TS 96 °C 1)
Junction temperature
Ambient temperature
Storage temperature
VCEO
VCBO
VEBO
IC
IB
Ptot
Tj
TA
Tstg
4.5
15
1.5
100
10
450
150
-65 ... 150
-65 ... 150
Thermal Resistance
Junction - soldering point2)
RthJS
 120
1TS is measured on the emitter lead at the soldering point to the pcb
2For calculation of RthJA please refer to Application Note Thermal Resistance
Unit
V
mA
mW
°C
K/W
1
Aug-20-2001