| Manufacturer | Part Number | Description |
|---|---|---|
| NES | 1N2820 | (1N2804 - 1N2846) Silicon Zener Diodes |
| 1N2820B | Zener Diodes | |
Motorola Semiconductor (now NXP Semiconductors) |
1N2820 | (1N2804 - 1N2846) ZENER DIODES |
Microsemi (now Microchip Technology) |
1N2820B | 50 Watt Zener Diodes |
| 1N2820B | SILICON ZENER DIODES |