| 23721 | 1N4557B | Zener Voltage Regulator Diode | Microsemi |
| 23722 | 1N4557B | Diode Zener Single 3.9V 5% 50W 3-Pin (2 + Tab) TO-3 | New Jersey Semiconductor |
| 23723 | 1N4557BE3 | Zener Voltage Regulator Diode | Microsemi |
| 23724 | 1N4557C | Zener Voltage Regulator Diode | Microsemi |
| 23725 | 1N4557C | Diode Zener Single 3.9V 5% 50W 3-Pin (2 + Tab) TO-3 | New Jersey Semiconductor |
| 23726 | 1N4557CE3 | Zener Voltage Regulator Diode | Microsemi |
| 23727 | 1N4557D | Zener Voltage Regulator Diode | Microsemi |
| 23728 | 1N4557D | Diode Zener Single 3.9V 5% 50W 3-Pin (2 + Tab) TO-3 | New Jersey Semiconductor |
| 23729 | 1N4557DE3 | Zener Voltage Regulator Diode | Microsemi |
| 23730 | 1N4557RA | Zener Voltage Regulator Diode | Microsemi |
| 23731 | 1N4557RAE3 | Zener Voltage Regulator Diode | Microsemi |
| 23732 | 1N4557RB | Zener Voltage Regulator Diode | Microsemi |
| 23733 | 1N4557RBE3 | Zener Voltage Regulator Diode | Microsemi |
| 23734 | 1N4557RC | Zener Voltage Regulator Diode | Microsemi |
| 23735 | 1N4557RCE3 | Zener Voltage Regulator Diode | Microsemi |
| 23736 | 1N4557RD | Zener Voltage Regulator Diode | Microsemi |
| 23737 | 1N4557RDE3 | Zener Voltage Regulator Diode | Microsemi |
| 23738 | 1N4558 | DIODE ZENER | Motorola |
| 23739 | 1N4558 | Diode Zener Single 4.3V 20% 50W 3-Pin (2 + Tab) TO-3 | New Jersey Semiconductor |
| 23740 | 1N4558A | Zener Voltage Regulator Diode | Microsemi |
| 23741 | 1N4558A | Diode Zener Single 4.3V 10% 50W 3-Pin (2 + Tab) TO-3 | New Jersey Semiconductor |
| 23742 | 1N4558AE3 | Zener Voltage Regulator Diode | Microsemi |
| 23743 | 1N4558B | Zener Voltage Regulator Diode | Microsemi |
| 23744 | 1N4558B | Diode Zener Single 4.3V 5% 50W 3-Pin (2 + Tab) TO-3 | New Jersey Semiconductor |
| 23745 | 1N4558BE3 | Zener Voltage Regulator Diode | Microsemi |
| 23746 | 1N4558C | Zener Voltage Regulator Diode | Microsemi |
| 23747 | 1N4558C | Diode Zener Single 4.3V 5% 50W 3-Pin (2 + Tab) TO-3 | New Jersey Semiconductor |
| 23748 | 1N4558CE3 | Zener Voltage Regulator Diode | Microsemi |
| 23749 | 1N4558D | Zener Voltage Regulator Diode | Microsemi |
| 23750 | 1N4558D | Diode Zener Single 4.3V 5% 50W 3-Pin (2 + Tab) TO-3 | New Jersey Semiconductor |
| 23751 | 1N4558DE3 | Zener Voltage Regulator Diode | Microsemi |
| 23752 | 1N4558RA | Zener Voltage Regulator Diode | Microsemi |
| 23753 | 1N4558RAE3 | Zener Voltage Regulator Diode | Microsemi |
| 23754 | 1N4558RB | Zener Voltage Regulator Diode | Microsemi |
| 23755 | 1N4558RBE3 | Zener Voltage Regulator Diode | Microsemi |
| 23756 | 1N4558RC | Zener Voltage Regulator Diode | Microsemi |
| 23757 | 1N4558RCE3 | Zener Voltage Regulator Diode | Microsemi |
| 23758 | 1N4558RD | Zener Voltage Regulator Diode | Microsemi |
| 23759 | 1N4558RDE3 | Zener Voltage Regulator Diode | Microsemi |
| 23760 | 1N4559 | DIODE ZENER | Motorola |
