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. 4, 23-Jun-99
www.vishay.de
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