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2014-04-07 1 BFR181W 1 2 3 Low Noise Silicon Bipolar RF Transistor • For low noise, high-gain broadband amplifiers at collector currents from 0.5 mA to 12 mA • f T = 8 GHz, NF min = 0.9 dB at 900 MHz • Easy to use Pb-free (RoHS compliant) and halogen free industry standard package with visible leads • Qualification report according to AEC-Q101 available ESD (Electrostatic discharge) sensitive device, observe handling precaution! TypeMarkingPin ConfigurationPackage BFR181WRFs 1=B2=E3=C SOT323 Maximum Ratings at T A = 25 °C, unless otherwise specified ParameterSymbolValueUnit Collector-emitter voltageV CEO 12V Collector-emitter voltageV CES 20 Collector-base voltageV CBO 20 Emitter-base voltageV EBO 2 Collector currentI C 20mA Base currentI B 2 Total power dissipation 1)
T S ≤ 90 °C P tot 175mW Junction temperatureT J 150°C Ambient temperatureT A -65 ... 150 Storage temperatureT Stg -65 ... 150 Thermal Resistance Parameter SymbolValueUnit Junction - soldering point 2) R thJS 345 K/W 1 T S is measured on the collector lead at the soldering point of the pcb 2 For the definition of R t hJS please refer to Application Note AN077 (Thermal Resistance Calculation)