BF998/BF998R/BF998RW
Vishay Telefunken
www.vishay.de • FaxBack +1-408-970-5600
Rev. 4, 23-Jun-99
1 (9)
Document Number 85011
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
C0068 Integrated gate protection diodes
C0068 Low noise figure
C0068 Low feedback capacitance
C0068 High cross modulation performance
C0068 Low input capacitance
C0068 High AGC-range
C0068 High gain
13 579
21
43
94 9279
BF998 Marking: MO
Plastic case (SOT 143)
1 = Source, 2 = Drain, 3 = Gate 2, 4 = Gate 1
95 10831
21
43
94 9278
BF998R Marking: MOR
Plastic case (SOT 143R)
1 = Source, 2 = Drain, 3 = Gate 2, 4 = Gate 1
21
34
13 56613 654
BF998RW Marking: WMO
Plastic case (SOT 343R)
1 = Source, 2 = Drain, 3 = Gate 2, 4 = Gate 1