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BFR949L3 Datasheet, PDF (1/3 Pages) Infineon Technologies AG – NPN Silicon RF Transistor
NPN Silicon RF Transistor
Preliminary data
 For low noise, high-gain broadband amplifiers at
collector currents from 1 mA to 20 mA
 fT = 9 GHz
F = 1.0 dB at 1 GHz
BFR949L3
3
1
2
ESD: Electrostatic discharge sensitive device, observe handling precaution!
Type
BFR949L3
Marking
RK
Pin Configuration
1=B
2=E
3=C
Package
TSLP-3-1
Maximum Ratings
Parameter
Collector-emitter voltage
Collector-emitter voltage
Collector-base voltage
Emitter-base voltage
Collector current
Base current
Total power dissipation
TS  100°C 1)
Junction temperature
Ambient temperature
Storage temperature
Symbol
VCEO
VCES
VCBO
VEBO
IC
IB
Ptot
Tj
TA
Tstg
Value
10
20
20
1.5
35
4
250
150
-65 ... 150
-65 ... 150
Thermal Resistance
Junction - soldering point2)
RthJS
 tbd
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
Unit
V
mA
mW
°C
K/W
1
Aug-09-2001