| PartNumber | USF81 | USF83 | USF82 |
| Description | Rectifiers 8.0A 50V 20ns | Rectifiers 8.0A 150V 20ns | Rectifiers TO-220A 8A 100V 20NS |
| Manufacturer | Rectron | Rectron | Rectron |
| Product Category | Rectifiers | Rectifiers | Rectifiers |
| RoHS | Y | Y | Y |
| Mounting Style | Through Hole | Through Hole | Through Hole |
| Package / Case | TO-220A | TO-220A | TO-220A |
| Vr Reverse Voltage | 50 V | 150 V | 100 V |
| If Forward Current | 8 A | 8 A | 8 A |
| Type | Fast Recovery Rectifiers | Fast Recovery Rectifiers | Fast Recovery Rectifiers |
| Configuration | Single | Single | Single |
| Vf Forward Voltage | 0.95 V | 0.95 V | 0.95 V |
| Max Surge Current | 150 A | 150 A | 150 A |
| Ir Reverse Current | 10 uA | 10 uA | 10 uA |
| Recovery Time | 20 ns | 20 ns | 20 ns |
| Minimum Operating Temperature | - 55 C | - 55 C | - 55 C |
| Maximum Operating Temperature | + 150 C | + 150 C | + 150 C |
| Series | USF | USF | - |
| Packaging | Tube | Tube | Tube |
| Height | 8.6 mm | 8.6 mm | 8.6 mm |
| Length | 10.5 mm | 10.5 mm | 10.5 mm |
| Product | Rectifiers | Rectifiers | Rectifiers |
| Termination Style | Through Hole | Through Hole | Through Hole |
| Width | 4.7 mm | 4.7 mm | 4.7 mm |
| Brand | Rectron | Rectron | Rectron |
| Product Type | Rectifiers | Rectifiers | Rectifiers |
| Factory Pack Quantity | 2000 | 2000 | 2000 |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers | Diodes & Rectifiers |