| Manufacturer | Part Number | Description |
|---|---|---|
NXP Semiconductors
| BF994S | N-channel dual-gate MOS-FET |
Vishay
| BF994S | N-Channel Dual Gate MOS-Fieldeffect Tetrode |
Siemens Semiconductor Group (now Infineon)
| BF994S | Silicon N Channel MOSFET Tetrode |
