| 80561 | 2N2500 | P-Channel FIELD-EFFECT TRANSISTOR Junction FET | Motorola |
| 80562 | 2N2501 | Leaded Small Signal Transistor General Purpose | Central Semiconductor |
| 80563 | 2N2501 | NPN silicon annular transistor | Motorola |
| 80564 | 2N2501 | Silicon NPN Transistor | Motorola |
| 80565 | 2N2501 | SEPT® NPN planar epitaxial low noise transistor | Sprague |
| 80566 | 2N2502 | THYRISTOR | Motorola |
| 80567 | 2N2503 | THYRISTOR | Motorola |
| 80568 | 2N2504 | THYRISTOR | Motorola |
| 80569 | 2N2505 | THYRISTOR | Motorola |
| 80570 | 2N2506 | THYRISTOR | Motorola |
| 80571 | 2N2507 | THYRISTOR | Motorola |
| 80572 | 2N2508 | THYRISTOR | Motorola |
| 80573 | 2N2509 | Leaded Small Signal Transistor General Purpose | Central Semiconductor |
| 80574 | 2N2509 | Silicon NPN Transistor | Motorola |
| 80575 | 2N250A | Germanium PNP Transistor | Motorola |
| 80576 | 2N251 | Germanium PNP Transistor | Motorola |
| 80577 | 2N2510 | Leaded Small Signal Transistor General Purpose | Central Semiconductor |
| 80578 | 2N2510 | Silicon NPN Transistor | Motorola |
| 80579 | 2N2511 | Leaded Small Signal Transistor General Purpose | Central Semiconductor |
|
| 80580 | 2N2511 | Silicon NPN Transistor | Motorola |
| 80581 | 2N2511 | Low level amplifier transistor | SGS-ATES |
| 80582 | 2N2512 | Germanium PNP Transistor | Motorola |
| 80583 | 2N2514 | Silicon NPN Transistor | Motorola |
| 80584 | 2N2515 | Silicon NPN Transistor | Motorola |
| 80585 | 2N2516 | Silicon NPN Transistor | Motorola |
| 80586 | 2N2517 | Silicon NPN Transistor | Motorola |
| 80587 | 2N2518 | Silicon NPN Transistor | Motorola |
| 80588 | 2N2519 | Silicon NPN Transistor | Motorola |
| 80589 | 2N251A | Germanium PNP Transistor | Motorola |
| 80590 | 2N252 | Germanium PNP Transistor | Motorola |
| 80591 | 2N2520 | Silicon NPN Transistor | Motorola |
| 80592 | 2N2521 | Silicon NPN Transistor | Motorola |
| 80593 | 2N2522 | Silicon NPN Transistor | Motorola |
| 80594 | 2N2523 | Silicon NPN Transistor | Motorola |
| 80595 | 2N2524 | Silicon NPN Transistor | Motorola |
| 80596 | 2N2525 | Silicon NPN Transistor | Motorola |
| 80597 | 2N2526 | PNIP germanium power transistor | Motorola |
| 80598 | 2N2526 | Germanium PNP Transistor | Motorola |
| 80599 | 2N2527 | PNIP germanium power transistor | Motorola |
| 80600 | 2N2527 | Germanium PNP Transistor | Motorola |
