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BFP520 Datasheet, PDF (1/8 Pages) Siemens Semiconductor Group – NPN Silicon RF Transistor (For highest gain low noise amplifier at 1.8 GHz and 2 mA / 2 V)
NPN Silicon RF Transistor
 For highest gain low noise amplifier
at 1.8 GHz and 2 mA / 2 V
Outstanding Gms = 23 dB
Noise Figure F = 0.95 dB
 For oscillators up to 15 GHz
 Transition frequency fT = 45 GHz
 Gold metallization for high reliability
 SIEGET  45 - Line
45 GHz fT - Line
SIEGET45 BFP520
3
4
2
1
VPS05605
ESD: Electrostatic discharge sensitive device, observe handling precaution!
Type
Marking
Pin Configuration
Package
BFP520
APs
1 = B 2 = E 3 = C 4 = E SOT343
Maximum Ratings
Parameter
Collector-emitter voltage
Collector-base voltage
Emitter-base voltage
Collector current
Base current
Total power dissipation
TS 105 °C 1)
Junction temperature
Ambient temperature
Storage temperature
Symbol
VCEO
VCBO
VEBO
IC
IB
Ptot
Tj
TA
Tstg
Value
2.5
10
1
40
4
100
150
-65 ... 150
-65 ... 150
Unit
V
mA
mW
°C
Thermal Resistance
Junction - soldering point2)
RthJS
1TS is measured on the collector lead at the soldering point to the pcb
2For calculation of RthJA please refer to Application Note Thermal Resistance
 450
K/W
1
Sep-26-2001