BF991 mos-fet equivalent, n-channel dual-gate mos-fet.
* Protected against excessive input voltage surges by integrated back-to-back diodes between gates and source.
APPLICATIONS
* VHF applications such as:
.
* VHF applications such as:
– VHF television tuners and FM tuners
– Professional com.
s, b source
d drain
g2 gate 2 g1 gate 1
DESCRIPTION
Depletion type field-effect transistor in a plastic SOT143 microminiature package with interconnected source and substrate.
handbook, halfpage
4
3
d
g2 g1
1
Top view
2
MAM039
s,b
Marking.
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