| 513 | BFW11 | Silicon n channel field effect transistor, Junction FET |
| 514 | BFW16 | Silicon Transistor |
| 515 | BFW16A | R.F. power transistor |
| 516 | BFW17 | Silicon Transistor |
| 517 | BFW17A | R.F. power transistor |
| 518 | BFW30 | Silicon N-P-N low power transistor |
| 519 | BFW45 | Silicon Transistor |
| 520 | BFW57 | Silicon N-P-N low power transistor |
| 521 | BFW57 | Silicon Transistor |
| 522 | BFW58 | Silicon N-P-N low power transistor |
| 523 | BFW58 | Silicon Transistor |
| 524 | BFW59 | Silicon N-P-N low power transistor |
| 525 | BFW59 | Silicon Transistor |
| 526 | BFW60 | Silicon N-P-N low power transistor |
| 527 | BFW60 | Silicon Transistor |
| 528 | BFW61 | Silicon n channel field effect transistor, Junction FET |
| 529 | BFW87 | Silicon p-n-p low power transistor |
| 530 | BFW87 | Silicon Transistor |
| 531 | BFW88 | Silicon p-n-p low power transistor |
| 532 | BFW88 | Silicon Transistor |
| 533 | BFW89 | Silicon p-n-p low power transistor |
| 534 | BFW89 | Silicon Transistor |
| 535 | BFW90 | Silicon p-n-p low power transistor |
| 536 | BFW90 | Silicon Transistor |
| 537 | BFW91 | Silicon p-n-p low power transistor |
| 538 | BFW91 | Silicon Transistor |
| 539 | BFW92 | Silicon Transistor |
| 540 | BFX12 | Silicon Transistor |
| 541 | BFX13 | Silicon Transistor |
| 542 | BFX29 | Silicon p-n-p medium power transistor |
| 543 | BFX30 | Silicon p-n-p medium power transistor |
| 544 | BFX34 | Silicon n-p-n medium power switching transistor |
| 545 | BFX34 | Silicon Transistor |
| 546 | BFX37 | Silicon p-n-p low power transistor |
| 547 | BFX84 | Silicon n-p-n medium power transistor |
| 548 | BFX85 | Silicon n-p-n medium power transistor |
| 549 | BFX86 | Silicon n-p-n medium power transistor |
| 550 | BFX87 | Silicon p-n-p medium power transistor |
| | |
