| Manufacturer | Part Number | Description |
|---|---|---|
Motorola Semiconductor (now NXP Semiconductors)
| 1SMB28AT3 | PLASTIC SURFACE MOUNT ZENER OVERVOLTAGE TRANSIENT SUPPRESSORS |
Littelfuse
| 1SMB28AT3G | 600 Watt Peak Power Zener TVS |
Littelfuse
| SZ1SMB28AT3G | TVS Diodes |