| Manufacturer | Part Number | Description |
|---|---|---|
Microsemi (now Microchip Technology) |
1N4991US | Surface Mount 5 WATT GLASS ZENER |
| 1N4991P | ZENER DIODES | |
| 1N4991US | 5 WATT GLASS ZENER DIODES SURFACE MOUNT | |
Microsemi (now Microchip Technology) |
1N4991 | 5 WATT GLASS ZENER DIODES |
| 1N4991US | Zener Voltage Regulator | |
| 1N4991 | Zener Voltage Regulator | |
| 1N4991 | ZENER DIODES |