| Manufacturer | Part Number | Description |
|---|---|---|
| MRF422 | NPN SILICON RF POWER TRANSISTOR | |
Motorola Semiconductor (now NXP Semiconductors)
| MRF422 | RF POWER TRANSISTORS |
| MRF422MP | NPN SILICON RF POWER TRANSISTOR | |
MACOM Technology Solutions
| MRF422 | RF Line NPN Silicon Power Transistor |
Tyco Electronics (now TE Connectivity)
| MRF422 | The RF Line NPN Silicon RF Power Transistor |