BF990A Description
source Top view Marking code: MAM039 handbook, halfpage BF990A DESCRIPTION Depletion type field-effect transistor in a plastic SOT143 microminiature package with interconnected source and substrate. 4 3 g2 g1 d 1 2 s,b Fig.1 Simplified outline (SOT143) and symbol.
BF990A Key Features
- Protected against excessive input voltage surges by integrated back-to-back diodes between gates and source