| 521 | 05208GOA | Silicon Controlled Rectifier | Microsemi |
| 522 | 05210GOA | Silicon Controlled Rectifier | Microsemi |
| 523 | 05212GOA | Silicon Controlled Rectifier | Microsemi |
| 524 | 0581B | 14-PIN (300 mils wide) CERAMIC DUAL IN-LINE (F) PACKAGE | Philips |
| 525 | 05A1 | SURFACE MOUNT SILICON RECTIFIER | Rectron Semiconductor |
| 526 | 05A1L | Standard Rectifier | Rectron Semiconductor |
| 527 | 05A2 | SURFACE MOUNT SILICON RECTIFIER | Rectron Semiconductor |
| 528 | 05A2L | Standard Rectifier | Rectron Semiconductor |
| 529 | 05A3 | SURFACE MOUNT SILICON RECTIFIER | Rectron Semiconductor |
| 530 | 05A3L | Standard Rectifier | Rectron Semiconductor |
| 531 | 05A4 | SURFACE MOUNT SILICON RECTIFIER | Rectron Semiconductor |
| 532 | 05A4L | Standard Rectifier | Rectron Semiconductor |
| 533 | 05A5 | SURFACE MOUNT SILICON RECTIFIER | Rectron Semiconductor |
| 534 | 05A5L | Standard Rectifier | Rectron Semiconductor |
| 535 | 05A6 | SURFACE MOUNT SILICON RECTIFIER | Rectron Semiconductor |
| 536 | 05A6L | Standard Rectifier | Rectron Semiconductor |
| 537 | 05A7 | SURFACE MOUNT SILICON RECTIFIER | Rectron Semiconductor |
| 538 | 05A7L | Standard Rectifier | Rectron Semiconductor |
| 539 | 05F1 | Recovery Rectifier | Rectron Semiconductor |
|
| 540 | 05F1L | Recovery Rectifier | Rectron Semiconductor |
| 541 | 05F2 | Recovery Rectifier | Rectron Semiconductor |
| 542 | 05F2L | Recovery Rectifier | Rectron Semiconductor |
| 543 | 05F3 | Recovery Rectifier | Rectron Semiconductor |
| 544 | 05F3L | Recovery Rectifier | Rectron Semiconductor |
| 545 | 05F4 | Recovery Rectifier | Rectron Semiconductor |
| 546 | 05F4L | Recovery Rectifier | Rectron Semiconductor |
| 547 | 05F5 | Recovery Rectifier | Rectron Semiconductor |
| 548 | 05F5L | Recovery Rectifier | Rectron Semiconductor |
| 549 | 05GU4B48 | SILICON DIFFUSED JUNCTION TYPE RECTIFIER STACK | GOOD-ARK Electronics |
| 550 | 05H1 | Recovery Rectifier | Rectron Semiconductor |
| 551 | 05H12 | General Description | Motorola |
| 552 | 05H1L | Recovery Rectifier | Rectron Semiconductor |
| 553 | 05H2 | Recovery Rectifier | Rectron Semiconductor |
| 554 | 05H2L | Recovery Rectifier | Rectron Semiconductor |
| 555 | 05H3 | Recovery Rectifier | Rectron Semiconductor |
| 556 | 05H3L | Recovery Rectifier | Rectron Semiconductor |
| 557 | 05H4 | Recovery Rectifier | Rectron Semiconductor |
| 558 | 05H4L | Recovery Rectifier | Rectron Semiconductor |
| 559 | 05H5 | Recovery Rectifier | Rectron Semiconductor |
| 560 | 05H5L | Recovery Rectifier | Rectron Semiconductor |
