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BFR91 Vishay Telefunken www.vishay.de • FaxBack +1-408-970-5600 Rev. 3, 20-Jan-99 1 (8) Document Number 85030 Silicon NPN Planar RF Transistor Electrostatic sensitive device. Observe precautions for handling. Applications RF amplifier up to GHz range specially for wide band antenna amplifier. Features DHigh power gain DLow noise figure DHigh transition frequency 94 9308 1 3 2 BFR91 Marking: BFR91 Plastic case (TO 50) 1 = Collector, 2 = Emitter, 3 = Base 13623 Absolute Maximum Ratings T amb = 25_C, unless otherwise specified ParameterTest ConditionsSymbolValueUnit Collector-base voltageV CBO 20V Collector-emitter voltageV CEO 12V Emitter-base voltageV EBO 2V Collector currentI C 50mA Total power dissipationT amb ≤ 60 °CP tot 300mW 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 (40 x 25 x 1.5) mm 3 plated with 35mm Cu R thJA 300K/W
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