BFR91A

BFR91A Vishay Telefunken 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 D High power gain D Low noise figure D High transition frequency 3 2 94 9308 13623 1 BFR91A Marking: BFR91A Plastic case (TO 50) 1 = Collector, 2 = Emitter, 3 = Base Absolute Maximum Ratings Tamb = 25_C, unless otherwise specified Parameter Collector-base voltage Collector-emitter voltage Emitter-base voltage Collector current Total power dissipation Junction temperature Storage temperature range Test Conditions Symbol VCBO VCEO VEBO IC Ptot Tj Tstg Value 20 12 2 50 300 150 –65 to +150 Unit V V V mA mW °C °C Tamb ≤ 60 °C Maximum Thermal Resistance Tamb = 25_C, unless otherwise specified Parameter Test Conditions Junction ambient on glass fibre printed board (40 x 25 x 1.5) mm3 plated with 35mm Cu Symbol RthJA Value 300 Unit K/W Document Number 85031 Rev. 3, 20-Jan-99 www.vishay.de FaxBack +1-408-970-5600 1 (8) BFR91A Vishay Telefunken Electrical DC Characteristics Tamb = 25_C, unless otherwise specified Parameter Collector cut-off current Collector-base cut-off current Emitter-base cut-off current Collector-emitter breakdown voltage Collector-emitter saturation voltage DC forward current transfer ratio Test Conditions VCE = 20 V, VBE = 0 VCB = 20 V, IE = 0 VEB = 2 V, IC = 0 IC = 1 mA, IB = 0 IC = 50 mA, IB = 5 mA VCE = 5 V, IC = 30 mA Symbol Min ...