BF970
Vishay Telefunken
Silicon PNP Planar RF Transistor
Electrostatic sensitive device. Observe precautions for handli...
BF970
Vishay Telefunken
Silicon
PNP Planar RF
Transistor
Electrostatic sensitive device. Observe precautions for handling.
Applications
UHF oscillator and mixer stages.
Features
D High gain D Low noise
3
2
94 9308
13623
1
BF970 Marking: BF970 Plastic case (TO 50) 1 = Collector, 2 = Base, 3 = Emitter
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 40 35 3 30 300 150 –55 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 85005 Rev. 3, 20-Jan-99
www.vishay.de FaxBack +1-408-970-5600 1 (5)
BF970
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 = 40 V, VBE = 0 –VCB = 20 V, IE = 0 –VEB = 2 V, IC = 0 –IC = 1 mA, IB = 0 –VCE = 10 V, –IC = 3 mA Symbol Min Typ Max Unit –ICES 100 mA –ICBO 100 nA –IEBO 10 mA –V(BR)CEO 35 V hFE 25 50 90
Electrical AC Characteristics
Tamb = 25_C, unless oth...