| 56881 | 1N6637 | Zener Voltage Regulator Diode | Microsemi |
| 56882 | 1N6637US | 5 WATT ZENER DIODES | Compensated Devices Incorporated |
| 56883 | 1N6637US | Zener Voltage Regulator Diode | Microsemi |
| 56884 | 1N6638 | SWITCHING DIODES | Compensated Devices Incorporated |
| 56885 | 1N6638 | Signal or Computer Diode | Microsemi |
| 56886 | 1N6638 | Signal or Computer Diode | Microsemi |
| 56887 | 1N6638e3 | Ultra Fast Rectifier (trr less than 100ns) | Microsemi |
| 56888 | 1N6638U | SWITCHING DIODES | Compensated Devices Incorporated |
| 56889 | 1N6638U | Signal or Computer Diode | Microsemi |
| 56890 | 1N6638U | Signal or Computer Diode | Microsemi |
| 56891 | 1N6638US | SWITCHING DIODES | Compensated Devices Incorporated |
| 56892 | 1N6638US | Signal or Computer Diode | Microsemi |
| 56893 | 1N6638US | Signal or Computer Diode | Microsemi |
| 56894 | 1N6639 | SWITCHING DIODES | Compensated Devices Incorporated |
| 56895 | 1N6639 | Signal or Computer Diode | Microsemi |
| 56896 | 1N6639 | Signal or Computer Diode | Microsemi |
| 56897 | 1N6639US | SWITCHING DIODES | Compensated Devices Incorporated |
| 56898 | 1N6639US | Signal or Computer Diode | Microsemi |
| 56899 | 1N6639US | Signal or Computer Diode | Microsemi |
|
| 56900 | 1N663A | Silicon Planar Diode | ITT Semiconductors |
| 56901 | 1N663A | Signal Diode | Motorola |
| 56902 | 1N663A | Diode Switching 80V 0.15A 2-Pin DO-35 | New Jersey Semiconductor |
| 56903 | 1N663E3 | Standard Rectifier (trr more than 500ns) | Microsemi |
| 56904 | 1N664 | Zener Diode 8.2V | Motorola |
| 56905 | 1N6640 | SWITCHING DIODES | Compensated Devices Incorporated |
| 56906 | 1N6640 | Signal or Computer Diode | Microsemi |
| 56907 | 1N6640 | Signal or Computer Diode | Microsemi |
| 56908 | 1N6640U | Aerospace 0.3 A 75 V switching diode | ST Microelectronics |
| 56909 | 1N6640U01D | Aerospace 0.3 A 75 V switching diode | ST Microelectronics |
| 56910 | 1N6640U02D | Aerospace 0.3 A 75 V switching diode | ST Microelectronics |
| 56911 | 1N6640UD1 | Aerospace 0.3 A 75 V switching diode | ST Microelectronics |
| 56912 | 1N6640US | SWITCHING DIODES | Compensated Devices Incorporated |
| 56913 | 1N6640US | Signal or Computer Diode | Microsemi |
| 56914 | 1N6640US | Signal or Computer Diode | Microsemi |
| 56915 | 1N6641 | SWITCHING DIODES | Compensated Devices Incorporated |
| 56916 | 1N6641 | Signal or Computer Diode | Microsemi |
| 56917 | 1N6641 | Signal or Computer Diode | Microsemi |
| 56918 | 1N6641US | SWITCHING DIODES | Compensated Devices Incorporated |
| 56919 | 1N6641US | Signal or Computer Diode | Microsemi |
| 56920 | 1N6641US | Signal or Computer Diode | Microsemi |
