| MRF247 - NPN Silicon | MFR 245, 2SC2694, 2SC2782 | 36V, 20A, PQ=75W(175MHz) |
| MRF245 - NPN Silicon | MRF 247[Motorola] | 36V, 20A, PQ=80W(175MHz) |
| MRF244 - NPN Silicon | MRF 247[Motorola] | 36V, 20A, PQ=70W(175MHz) |
| MRF243 - NPN Silicon | - | 36V, 15A, PQ=60W(175MHz) |
| MRF240A - NPN Silicon | BLW 85 | =MRF 240 |
| MRF240 - NPN Silicon | BLW 60 | 36V, 8A, PQ=40W(160MHz) |