| Manufacturer | Part Number | Description |
|---|---|---|
| 1N991B | 500mW SILICON ZENER DIODES | |
Microsemi (now Microchip Technology)
| 1N991B-1 | Silicon 500mW Zener Diodes |
Microsemi (now Microchip Technology)
| 1N991B | Silicon 500mW Zener Diodes |
Microsemi (now Microchip Technology)
| 1N991BUR-1 | Silicon MELF 500mW Zener Diodes |
| 1N991B | SILICON ZENER DIODE | |
Jinan Gude Electronic Device
| 1N991B | 0.5W SILICON ZENER DIODES |