| Manufacturer | Part Number | Description |
|---|---|---|
ASI
| MRF951 | NPN Transistor |
Microsemi (now Microchip Technology)
| MRF951 | RF & MICROWAVE DISCRETE LOW POWER TRANSISTORS |
Motorola Semiconductor (now NXP Semiconductors)
| MRF9511 | (MRF9511 / MRF957) NPN Silicon Low Noise / High-Frequency Transistors |
Motorola Semiconductor (now NXP Semiconductors)
| MRF957 | (MRF9511 / MRF957) NPN Silicon Low Noise / High-Frequency Transistors |