| Manufacturer | Part Number | Description |
|---|---|---|
NXP Semiconductors
| BF998WR | N-channel dual-gate MOS-FET |
Infineon
| BF998W | Silicon N-Channel MOSFET Tetrode |
Siemens Semiconductor Group (now Infineon)
| BF998W | Silicon N-Channel MOSFET Tetrode |
