| 31521 | 1N4556 | Zener Diodes - 50W | America Semiconductor |
| 31522 | 1N4556 | 50W Zener Diode | Motorola |
| 31523 | 1N4556 | Zener Diode 7.5V 50W | Motorola |
| 31524 | 1N4556 | ZENER DIODES | Motorola |
| 31525 | 1N4556 | Diode Zener Single 7.5V 20% 50W 2-Pin DO-5 | New Jersey Semiconductor |
| 31526 | 1N4556A | Zener Voltage Regulator Diode | Microsemi |
| 31527 | 1N4556A | Zener Diode 7.5V 50W | Motorola |
| 31528 | 1N4556A | Diode Zener Single 7.5V 10% 50W 2-Pin DO-5 | New Jersey Semiconductor |
| 31529 | 1N4556B | Zener Voltage Regulator Diode | Microsemi |
| 31530 | 1N4556B | Zener Diode 7.5V 50W | Motorola |
| 31531 | 1N4556B | Diode Zener Single 7.5V 5% 50W 2-Pin DO-5 | New Jersey Semiconductor |
| 31532 | 1N4556C | Diode Zener Single 7.5V 2% 50W 2-Pin DO-5 | New Jersey Semiconductor |
| 31533 | 1N4556D | Diode Zener Single 7.5V 1% 50W 2-Pin DO-5 | New Jersey Semiconductor |
| 31534 | 1N4557 | 50W Zener Diode | Motorola |
| 31535 | 1N4557 | Zener Diode 3.9V 50W | Motorola |
| 31536 | 1N4557 | ZENER DIODES | Motorola |
| 31537 | 1N4557 | Diode Zener Single 3.9V 20% 50W 3-Pin(2+Tab) TO-3 | New Jersey Semiconductor |
| 31538 | 1N4557A | Zener Voltage Regulator Diode | Microsemi |
| 31539 | 1N4557A | Zener Diode 3.9V 50W | Motorola |
|
| 31540 | 1N4557A | Diode Zener Single 3.9V 10% 50W 3-Pin(2+Tab) TO-3 | New Jersey Semiconductor |
| 31541 | 1N4557AE3 | Zener Voltage Regulator Diode | Microsemi |
| 31542 | 1N4557B | Zener Voltage Regulator Diode | Microsemi |
| 31543 | 1N4557B | Zener Diode 3.9V 50W | Motorola |
| 31544 | 1N4557B | Diode Zener Single 3.9V 5% 50W 3-Pin(2+Tab) TO-3 | New Jersey Semiconductor |
| 31545 | 1N4557BE3 | Zener Voltage Regulator Diode | Microsemi |
| 31546 | 1N4557C | Zener Voltage Regulator Diode | Microsemi |
| 31547 | 1N4557C | Diode Zener Single 3.9V 5% 50W 3-Pin(2+Tab) TO-3 | New Jersey Semiconductor |
| 31548 | 1N4557CE3 | Zener Voltage Regulator Diode | Microsemi |
| 31549 | 1N4557D | Zener Voltage Regulator Diode | Microsemi |
| 31550 | 1N4557D | Diode Zener Single 3.9V 5% 50W 3-Pin(2+Tab) TO-3 | New Jersey Semiconductor |
| 31551 | 1N4557DE3 | Zener Voltage Regulator Diode | Microsemi |
| 31552 | 1N4557RA | Zener Voltage Regulator Diode | Microsemi |
| 31553 | 1N4557RAE3 | Zener Voltage Regulator Diode | Microsemi |
| 31554 | 1N4557RB | Zener Voltage Regulator Diode | Microsemi |
| 31555 | 1N4557RBE3 | Zener Voltage Regulator Diode | Microsemi |
| 31556 | 1N4557RC | Zener Voltage Regulator Diode | Microsemi |
| 31557 | 1N4557RCE3 | Zener Voltage Regulator Diode | Microsemi |
| 31558 | 1N4557RD | Zener Voltage Regulator Diode | Microsemi |
| 31559 | 1N4557RDE3 | Zener Voltage Regulator Diode | Microsemi |
| 31560 | 1N4558 | 50W Zener Diode | Motorola |
