| FDD3N40 | FDD3N40TM Buy | IRFR320ATM Buy | Fairchild | Close | Power MOSFET | 400V N-Channel MOSFET, UniFET |
| FDD3N50NZ | FDD3N50NZTM Buy | IRFR320ATM Buy | Fairchild | Close | Power MOSFET | 500V N-Channel MOSFET, UniFET-II |
| FDD5N50NZ | FDD5N50NZTM Buy | IRFR320ATM Buy | Fairchild | Close | Power MOSFET | 500V N-Channel MOSFET, UniFET-II |
| FDD5N50NZF | FDD5N50NZFTM Buy | IRFR320ATM Buy | Fairchild | Close | Power MOSFET | 500V N-Channel MOSFET UniFET-II |
| FDD6N50 | FDD6N50TM Buy | IRFR320ATM Buy | Fairchild | Close | Power MOSFET | 500V N-Channel MOSFET, UniFET |
| FDD6N50F | FDD6N50FTM Buy | IRFR320ATM Buy | Fairchild | Close | Power MOSFET | 500V N-Channel MOSFET, UniFET |
| FQD4N50 | FQD4N50 Buy | IRFR320ATM Buy | Fairchild | Close | Power MOSFET | 500V N-Channel QFET |
| FQD6N40C | FQD6N40C Buy | IRFR320ATM Buy | Fairchild | Close | Power MOSFET | 400V N-Channel Advance QFET C-Series |