Download the 1N4991 datasheet PDF. This datasheet also covers the 1N4954 variant, as both devices belong to the same 5 watt glass zener diodes family and are provided as variant models within a single manufacturer datasheet.
This Zener Voltage Regulator series is military qualified to MIL-PRF19500/356 and is ideal for high-reliability applications where a failure cannot be tolerated.
| Part number | 1N4991 |
|---|---|
| Manufacturer | Microsemi (now Microchip Technology) |
| File Size | 198.66 KB |
| Description | 5 WATT GLASS ZENER DIODES |
| Datasheet |
 1N4991 Datasheet
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| Part Number | Description | Manufacturer |
|---|---|---|
| 1N4991 | ZENER DIODES | Digitron Semiconductors |
| 1N4991 | Zener 5W Voltage Regulator | SENSITRON SEMICONDUCTOR |
| 1N4991P | ZENER DIODES | Digitron Semiconductors |
| 1N4991US | 5 WATT GLASS ZENER DIODES SURFACE MOUNT | Digitron Semiconductors |
| 1N4991US | Zener 5W Voltage Regulator | SENSITRON SEMICONDUCTOR |
| Part Number | Description |
|---|---|
| 1N4991US | Surface Mount 5 WATT GLASS ZENER |
| 1N4990 | 5 WATT GLASS ZENER DIODES |
| 1N4990US | Surface Mount 5 WATT GLASS ZENER |
| 1N4992 | 5 WATT GLASS ZENER DIODES |
| 1N4992US | Surface Mount 5 WATT GLASS ZENER |
The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.
