| BFG540 | Transistors, RF & IF |
| BFG540/XR | Transistors, RF & IF |
| BFG540/X | Transistors, RF & IF |
| BFG540XR - NPN Silicon | | - | =BFG 540 |
| BFG540X - NPN Silicon | | - | =BFG 540 |
| BFG540 - NPN Silicon | | - | 20V, 120mA, 9000MHz |
| BFG540/XR | | | 2N2221A |
| BFG540X | | | NPN 9 GHz wideband transistor |
| BFG540 | | | NPN 9 GHz wideband transistor |