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BFR91

Vishay Telefunken
Part Number BFR91
Manufacturer Vishay Telefunken
Description Silicon NPN Planar RF Transistor
Published Mar 23, 2005
Detailed Description BFR91 Vishay Telefunken Silicon NPN Planar RF Transistor Electrostatic sensitive device. Observe precautions for handli...
Datasheet PDF File BFR91 PDF File

BFR91
BFR91

Overview
BFR91 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 BFR91 Marking: BFR91 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 85030 Rev.
3, 20-Jan-99 www.
vishay.
de • FaxBack +1-408-970-5600 1 (8) BFR91 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 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 VCE = 5 V, IC = 30 mA Symbol Min Typ Max Unit ICES 100 mA ICBO 100 nA IEBO 10 mA V(BR)CEO 12 V hFE 25 50 150 Electrical AC Characteristics Tamb = 25_C, unless otherwise specified Parameter Transition frequency Collector-base capacitance Collector-emitter capacitance Emitter-base capacitance Noise figure Power gain Test Conditions VCE = 5 V, IC = 30 mA, f = 500 MHz VCB = 10 V, f = 1 MHz VCE = 10 V, f = 1 MHz VEB = 0.
5 V, f = 1 MHz VCE = 5 V, IC = 2 mA, f = 500 MHz, ZS = 50 W VCE = 5 V, IC = 30 mA, ZL = ZLopt, f = 500 MHz VCE = 5 V, IC = 30 mA, ZL = ZLopt, f = 800 MHz VCE = 5 V, IC = 30 mA,...


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