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BF772 Jun-27-20011 NPN Silicon RF Transistor For application in TV-sat tuners VPS05178 2 1 3 4 ESD: Electrostatic discharge sensitive device, observe handling precaution! TypeMarkingPin ConfigurationPackage BF772RAs1 = C2 = E3 = B4 = E SOT143 Maximum Ratings Parameter SymbolValueUnit Collector-emitter voltageV CEO 12V Collector-emitter voltageV CES 20 Collector-base voltageV CBO 20 Emitter-base voltageV EBO 2 Collector currentI C 80mA Base currentI B 10 Total power dissipation T S 72 °C 1) P tot 580mW Junction temperatureT j 150°C Ambient temperatureT A -65 ... 150 Storage temperatureT stg -65 ... 150 Thermal Resistance Junction - soldering point 2) R thJS 135 K/W 1 T S is measured on the collector lead at the soldering point to the pcb 2 For calculation of R thJA please refer to Application Note Thermal Resistance