| Nr. | Nome della parte | Descrizione | Fabbricatore |
| 401 | 1N5927B | Zener 12V 3.0W 5% | ON Semiconductor |
| 402 | 1N5927BRL | Zener 12V 3.0W 5% | ON Semiconductor |
| 403 | 1N5929B | Zener 12V 3.0W 5% | ON Semiconductor |
| 404 | 1N5929BRL | Zener 12V 3.0W 5% | ON Semiconductor |
| 405 | 1N5929BRNG | Regolatore 3W DO-41 Surmetic Zener Tensione | ON Semiconductor |
| 406 | 1N5930B | Zener 16V 3.0W 5% | ON Semiconductor |
| 407 | 1N5930BRL | Zener 16V 3.0W 5% | ON Semiconductor |
| 408 | 1N5931B | Zener 16V 3.0W 5% | ON Semiconductor |
| 409 | 1N5931BRL | Zener 16V 3.0W 5% | ON Semiconductor |
| 410 | 1N5932B | Zener 20V 3.0W 5% | ON Semiconductor |
| 411 | 1N5932BRL | Zener 20V 3.0W 5% | ON Semiconductor |
| 412 | 1N5933B | Zener 22V 3.0W 5% | ON Semiconductor |
| 413 | 1N5934B | Zener 24V 3.0W 5% | ON Semiconductor |
| 414 | 1N5934BRL | Zener 24V 3.0W 5% | ON Semiconductor |
| 415 | 1N5935B | Zener 27V 3.0W 5% | ON Semiconductor |
| 416 | 1N5936B | Zener 30V 3.0W 5% | ON Semiconductor |
| 417 | 1N5936BRL | Zener 30V 3.0W 5% | ON Semiconductor |
| 418 | 1N5937B | Zener 33V 3.0W 5% | ON Semiconductor |
| 419 | 1N5937BRL | Zener 33V 3.0W 5% | ON Semiconductor |
| 420 | 1N5938B | Zener 36V 3.0W 5% | ON Semiconductor |
| 421 | 1N5938BRL | Zener 36V 3.0W 5% | ON Semiconductor |
| 422 | 1N5940B | 3 Watt DO-41 Surmetic-30 Zener Voltage Regulators | ON Semiconductor |
| 423 | 1N5940BRL | 3 Watt DO-41 Surmetic-30 Zener Voltage Regulators | ON Semiconductor |
| 424 | 1N5941B | Zener 47V 3.0W 5% | ON Semiconductor |
| 425 | 1N5941BRL | Zener 47V 3.0W 5% | ON Semiconductor |
| 426 | 1N5942B | Diodo Zener | ON Semiconductor |
| 427 | 1N5942BRL | Diodo Zener | ON Semiconductor |
| 428 | 1N5943B | Zener 56V 3.0W 5% | ON Semiconductor |
| 429 | 1N5943BRL | Zener 56V 3.0W 5% | ON Semiconductor |
| 430 | 1N5944B | Zener 62V 3.0W 5% | ON Semiconductor |
| 431 | 1N5944BRL | Zener 62V 3.0W 5% | ON Semiconductor |
| 432 | 1N5946B | Zener 75V 3.0W 5% | ON Semiconductor |
| 433 | 1N5946BRL | Zener 75V 3.0W 5% | ON Semiconductor |
| 434 | 1N5947B | Diodo Zener | ON Semiconductor |
| 435 | 1N5947BRL | Diodo Zener | ON Semiconductor |
| 436 | 1N5948B | Zener 91V 3.0W 5% | ON Semiconductor |
| 437 | 1N5948BRL | Zener 91V 3.0W 5% | ON Semiconductor |
| 438 | 1N5951B | Zener 120V 3.0W 5% | ON Semiconductor |
| 439 | 1N5951BRL | Zener 120V 3.0W 5% | ON Semiconductor |
| 440 | 1N5952B | Diodo Zener | ON Semiconductor |
| 441 | 1N5952BRL | Diodo Zener | ON Semiconductor |
| 442 | 1N5953B | Zener 150V 3.0W 5% | ON Semiconductor |
| 443 | 1N5953B | Zener 150V 3.0W 5% | ON Semiconductor |
| 444 | 1N5953BRL | Zener 150V 3.0W 5% | ON Semiconductor |
| 445 | 1N5953BRL | Zener 150V 3.0W 5% | ON Semiconductor |
| 446 | 1N5954B | Zener 160V | ON Semiconductor |
| 447 | 1N5954BRL | Zener 160V | ON Semiconductor |
| 448 | 1N5955B | Zener 180V 3.0W 5% | ON Semiconductor |
| 449 | 1N5955BRL | Zener 180V 3.0W 5% | ON Semiconductor |
| 450 | 1N5956B | Zener 200V 3.0W 5% | ON Semiconductor |
| 451 | 1N5956BRL | Zener 200V 3.0W 5% | ON Semiconductor |
| 452 | 1N5985B-D | 500 stabilizzatori di tensione di vetro ermeticamente sigillati di Mw Do-35 Zener | ON Semiconductor |
| 453 | 1N6267A | Zener 6.8V 1500W 5% | ON Semiconductor |
| 454 | 1N6267A-D | Soppressori Transitori Di Tensione Di Mosorb TM Zener Di 1500 Watt | ON Semiconductor |
| 455 | 1N6267ARL4 | Zener 6.8V 1500W 5% | ON Semiconductor |
| 456 | 1N6268A | Zener 7.5V 1500W 5% | ON Semiconductor |
| 457 | 1N6268ARL4 | Zener 7.5V 1500W 5% | ON Semiconductor |
| 458 | 1N6269A | Zener 8.2V 1500W 5% | ON Semiconductor |
| 459 | 1N6270A | Zener 9.1V 1500W 5% | ON Semiconductor |
| 460 | 1N6270ARL4 | Zener 9.1V 1500W 5% | ON Semiconductor |
| 461 | 1N6271A | Zener 10V 1500W 5% | ON Semiconductor |
| 462 | 1N6272A | Zener 11V 1500W 5% | ON Semiconductor |
| 463 | 1N6273A | Zener 12V 1500W 5% | ON Semiconductor |
| 464 | 1N6273ARL4 | Zener 12V 1500W 5% | ON Semiconductor |
| 465 | 1N6274A | Zener 13V 1500W 5% | ON Semiconductor |
| 466 | 1N6274ARL4 | Zener 13V 1500W 5% | ON Semiconductor |
| 467 | 1N6275A | Zener 15V 1500W 5% | ON Semiconductor |
| 468 | 1N6275ARL4 | Zener 15V 1500W 5% | ON Semiconductor |
| 469 | 1N6276A | Zener 16V 1500W 5% | ON Semiconductor |
| 470 | 1N6276ARL4 | Zener 16V 1500W 5% | ON Semiconductor |
| 471 | 1N6277A | Zener 18V 1500W 5% | ON Semiconductor |
| 472 | 1N6277ARL4 | Zener 18V 1500W 5% | ON Semiconductor |
| 473 | 1N6278A | Zener 20V 1500W 5% | ON Semiconductor |
| 474 | 1N6278ARL4 | Zener 20V 1500W 5% | ON Semiconductor |
| 475 | 1N6279A | Zener 22V 1500W 5% | ON Semiconductor |
| 476 | 1N6280A | Zener 24V 1500W 5% | ON Semiconductor |
| 477 | 1N6280ARL4 | Zener 24V 1500W 5% | ON Semiconductor |
| 478 | 1N6281A | Zener 27V 1500W 5% | ON Semiconductor |
| 479 | 1N6281ARL4 | Zener 27V 1500W 5% | ON Semiconductor |
| 480 | 1N6282A | Zener 30V 1500W 5% | ON Semiconductor |
