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BFR280T/BFR280TW Vishay Telefunken www.vishay.de • FaxBack +1-408-970-5600 Rev. 2, 20-Jan-99 1 (4) Document Number 85027 Silicon NPN Planar RF Transistor Electrostatic sensitive device. Observe precautions for handling. Applications For low noise and high gain broadband amplifiers at collector currents from 0.2 mA to 8 mA. Features DLow power applications DLow noise figure DHigh transition frequency 13 581 23 1 94 9280 BFR280T Marking: RE Plastic case (SOT 23) 1 = Collector, 2 = Base, 3 = Emitter 2 1 3 13 652 13 570 BFR280TW Marking: WRE Plastic case (SOT 323) 1 = Collector, 2 = Base, 3 = Emitter Absolute Maximum Ratings T amb = 25_C, unless otherwise specified ParameterTest ConditionsSymbolValueUnit Collector-base voltageV CBO 15V Collector-emitter voltageV CEO 8V Emitter-base voltageV EBO 2V Collector currentI C 10mA Total power dissipationT amb ≤ 114 °CP tot 80mW Junction temperatureT j 150°C Storage temperature rangeT stg –65 to +150°C Maximum Thermal Resistance T amb = 25_C, unless otherwise specified ParameterTest ConditionsSymbolValueUnit Junction ambienton glass fibre printed board (25 x 20 x 1.5) mm 3 plated with 35mm Cu R thJA 450K/W