| PartNumber | P0721UALTP | P0721UALRP | P0721UARP |
| Description | Thyristor Surge Protection Devices (TSPD) 50A 65V | Thyristor Surge Protection Devices (TSPD) 50A 65V | Thyristor Surge Protection Devices (TSPD) 50A 65V |
| Manufacturer | Littelfuse | Littelfuse | Littelfuse |
| Product Category | Thyristor Surge Protection Devices (TSPD) | Thyristor Surge Protection Devices (TSPD) | Thyristor Surge Protection Devices (TSPD) |
| RoHS | Y | Y | N |
| Holding Current Ih Max | 120 mA | 120 mA | 120 mA |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | Modified-MS-013-6 | Modified-MS-013-6 | Modified-MS-013-6 |
| Packaging | Tube | Reel | Reel |
| Current Rating | 2.2 A | 2.2 A | 2.2 A |
| Series | pxxx1u_ | pxxx1u_ | pxxx1u_ |
| Brand | Littelfuse | Littelfuse | Littelfuse |
| Product Type | TSPDs | TSPDs | TSPDs |
| Factory Pack Quantity | 500 | 1500 | 1500 |
| Subcategory | Thyristors | Thyristors | Thyristors |
| Tradename | SIDACtor | SIDACtor | SIDACtor |