| BF420 | Bipolar Transistors |
| BF422 | Bipolar Transistors |
| BF420P3 - NPN Silicon | | BF 461...462, BF 758...759, MPSU 10 | =BF 420, 0,9W |
| BF420P - NPN Silicon | | BF 461...462, MPSU 10 | =BF 420, 0,9W |
| BF420L - NPN Silicon | | =BF 420A | =BF 420, 0,5A, 0,625W |
| BF420A - NPN Silicon | | BF 393, BFP 25, MPSA 42 | =BF 420, 0,5A, 0,8W |
| BF420(S) - NPN Silicon | | BF 299, BF 483, BFR 89, 2SC3468 | 300V, 25..50mA, 0,83W, >60MHz |
| BF420 | | | 300V 0.1A 0.83W |