The SQ78M18 three-pin positive voltage regulators employ built-in current limiting, thermal shutdown, and safe-operating area compensation, which make them virtually immune to damage from output overloads. With adequate heat sinking, they can deliver in excess of 0.5A output current.
Output Current in excess of 0.5 A
Internal Thermal Overload Protection
Internal short circuit current-limiting
Output transistor safe-area compensation
AEC−Q100 Qualified
ESD protection:
HBM : 2000V
CDM : 500V
| Product Name | Package form | Marking | Hazardous Substance Control | Packing Type | Remarks |
|---|---|---|---|---|---|
| SQ78M18TATR | TO-252-2L | SQ78M18 | Halogen free | Tape&Reel |

| title | Types of | Size (KB) | date | Download the latest English version |
|---|---|---|---|---|
| SQ78M18 | 0 | 2025-11-24 | SQ78M18 Brief Datasheet |