| PartNumber | USF34 | USF31-T | USF31 |
| Description | Rectifiers 20NS,UltraFast 3A,200V | Rectifiers 3A 50V 20NS UltraFast | Rectifiers 20NS,UltraFast 3A,50V |
| Manufacturer | Rectron | Rectron | Rectron |
| Product Category | Rectifiers | Rectifiers | Rectifiers |
| RoHS | Y | Y | Y |
| Series | USF | - | USF |
| Packaging | Reel | Reel | Reel |
| Product | Rectifiers | Rectifiers | Rectifiers |
| Brand | Rectron | Rectron | Rectron |
| Product Type | Rectifiers | Rectifiers | Rectifiers |
| Factory Pack Quantity | 1200 | 1200 | 1200 |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers | Diodes & Rectifiers |
| Mounting Style | - | Through Hole | - |
| Package / Case | - | DO-201AD | - |
| Vr Reverse Voltage | - | 50 V | - |
| If Forward Current | - | 3 A | - |
| Type | - | Fast Recovery Rectifiers | - |
| Configuration | - | Single | - |
| Vf Forward Voltage | - | 0.95 V | - |
| Max Surge Current | - | 125 A | - |
| Ir Reverse Current | - | 10 uA | - |
| Recovery Time | - | 20 ns | - |
| Minimum Operating Temperature | - | - 55 C | - |
| Maximum Operating Temperature | - | + 150 C | - |