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2011-09-21 1 BF799 NPN Silicon RF Transistor • For linear broadband amplifier application up to 500 MHz • SAW filter driver in TV tuners • Pb-free (RoHS compliant) package 1 2 3 TypeMarkingPin ConfigurationPackage BF799LKs1 = B2 = E3 = CSOT23 Maximum Ratings ParameterSymbolValueUnit Collector-emitter voltageV CEO 20V Collector-emitter voltageV CES 30 Collector-base voltageV CBO 30 Emitter-base voltageV EBO 3 Collector currentI C 35mA Peak collector current, I CM 50 Peak base currentI BM 15 Total power dissipation T S ≤ 69 °C 1) P tot 280mW Junction temperatureT j 150°C Storage temperatureT stg -65 ... 150 Thermal Resistance Junction - soldering point 2) R thJS ≤ 290K/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 AN077 (Thermal Resistance Calculation)
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