| Manufacturer | Part Number | Description |
|---|---|---|
Littelfuse |
SZ1SMA18AT3G | TVS Diodes |
| 1SMA18AT3G | 400 Watt Peak Power Zener Transient Voltage Suppressors | |
| 1SMA18AT3 | 400 Watt Peak Power Zener Transient Voltage Suppressors | |
Motorola Semiconductor (now NXP Semiconductors) |
1SMA18AT3 | Zener Transient Voltage Suppressors |