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BF998/BF998R/BF998RW
Vishay Telefunken
N–Channel Dual Gate MOS-Fieldeffect Tetrode, Depletion Mode
Electrostatic sensitive device. Observe precautions for handling.
Applications
Input and mixer stages in UHF tuners.
Features
D D D D
Integrated gate protection diodes Low noise figure Low feedback capacitance High cross modulation performance
D Low input capacitance D High AGC-range D High gain
2
1
1
2
94 9279
13 579
94 9278
95 10831
3
4
4
3
BF998 Marking: MO Plastic case (SOT 143) 1 = Source, 2 = Drain, 3 = Gate 2, 4 = Gate 1
BF998R Marking: MOR Plastic case (SOT 143R) 1 = Source, 2 = Drain, 3 = Gate 2, 4 = Gate 1
1
2
13 654
13 566
4
3
BF998RW Marking: WMO Plastic case (SOT 343R) 1 = Source, 2 = Drain, 3 = Gate 2, 4 = Gate 1
Document Number 85011 Rev.
BF998 Datasheet
