Silicon Planar Transistor Applications oscillator mixer stag

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Silicon Planar Transistor Applications oscillator mixer stag

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BF970
Silicon Planar Transistor
Applications
oscillator mixer stages.
Features
High gain noise
9308
13623
BF970 Marking: BF970 Plastic case Collector, Base, 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 Ptot Tstg Value +150 Unit
Tamb
Maximum Thermal Resistance
Tamb 25_C, unless otherwise specified Parameter Test Conditions Junction ambient glass fibre printed board 1.5) plated with 35mm Symbol RthJA Value Unit
Document Number 85005 Rev. 20-Jan-99
www.vishay.com
BF970
Vishay Semiconductors Electrical 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 forward current transfer ratio Test Conditions -VCE -VCB -VEB -VCE Symbol Unit -ICES -ICBO -IEBO -V(BR)CEO
Electrical Characteristics
Tamb 25_C, unless otherwise specified Parameter Test Conditions Symbol 1000 14.5 Unit
Transition frequency -VCE Collector-base capacitance -VCB Noise figure -VCE Power gain -VCE Collector current Gpbmax -VCE
Typical Characteristics (Tamb 25_C unless otherwise specified)
Total Power Dissipation
12845
1200 Transition Frequency 1000
12847
-VCB=10V f=300MHz
Tamb Ambient Temperature
Collector Current
Figure Total Power Dissipation Ambient Temperature
Figure Transition Frequency Collector Current
www.vishay.com
Document Number 85005 Rev. 20-Jan-99
BF970
Collector Base Capacitance
12846
Collector Base Voltage
Figure Collector Base Capacitance Collector Base Voltage
Dimensions BF970
12243
Document Number 85005 Rev. 20-Jan-99
www.vishay.com
BF970
Vishay Semiconductors Ozone Depleting Substances Policy Statement
policy Vishay Semiconductor GmbH Meet present future national international statutory requirements. Regularly continuously improve performance products, processes, distribution operating systems with respect their impact health safety employees public, well their impact environment. particular concern control eliminate releases those substances into atmosphere which known ozone depleting substances ODSs Montreal Protocol 1987 London Amendments 1990 intend severely restrict ODSs forbid their within next years. Various national international initiatives pressing earlier these substances. Vishay Semiconductor GmbH been able policy continuous improvements eliminate ODSs listed following documents. Annex list transitional substances Montreal Protocol London Amendments respectively Class ozone depleting substances Clean Amendments 1990 Environmental Protection Agency Council Decision 88/540/EEC 91/690/EEC Annex transitional substances respectively. Vishay Semiconductor GmbH certify that semiconductors manufactured with ozone depleting substances contain such substances.
reserve right make changes improve technical design without further notice. Parameters vary different applications. operating parameters must validated each customer application customer. Should buyer VishaySemiconductors products unintended unauthorized application, buyer shall indemnify Vishay-Semiconductors against claims, costs, damages, expenses, arising directly indirectly, claim personal damage, injury death associated with such unintended unauthorized use. Vishay Semiconductor GmbH, P.O.B. 3535, D-74025 Heilbronn, Germany Telephone: 7131 2831, number: 7131 2423
www.vishay.com
Document Number 85005 Rev. 20-Jan-99

Silicon Planar Transistor Applications oscillator mixer stag

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