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Semiconductor Group1 NPN Silicon RF Transistor BF 554 lFor general small-signal RF applications up to 300 MHz in amplifier, mixer and oscillator circuits Maximum Ratings TypeOrdering Code (tape and reel) Marking Package 1) Pin Configuration BF 554Q62702-F1042CCSOT-23 123 BEC ParameterSymbolValuesUnit Collector-emitter voltageV CE020V Collector-base voltageVCB030 Emitter-base voltageV EB05 Thermal Resistance Junction - ambient 2) Rth JA≤ 450K/W Total power dissipation,TA≤ 25 ̊CPtot280mW Storage temperature rangeT stg– 65 ... + 150 Junction temperatureT j150 ̊C Collector currentIC30mA 1) For detailed information see chapter Package Outlines. 2) Package mounted on alumina 15 mm×16.7 mm×0.7 mm. 07.94