| PartNumber | 1N6643US | 1N6643 | 1N6643US/TR |
| Description | Diodes - General Purpose, Power, Switching .3A ULTRA FAST 75V | Diodes - General Purpose, Power, Switching .3A ULTRA FAST 75V | Diodes - General Purpose, Power, Switching Switching Diode |
| Manufacturer | Semtech | Semtech | Microchip |
| Product Category | Diodes - General Purpose, Power, Switching | Diodes - General Purpose, Power, Switching | Diodes - General Purpose, Power, Switching |
| Series | 1N664 | 1N664 | - |
| Brand | Semtech | Semtech | Microchip / Microsemi |
| Product Type | Diodes - General Purpose, Power, Switching | Diodes - General Purpose, Power, Switching | Diodes - General Purpose, Power, Switching |
| Factory Pack Quantity | 1 | 1 | 1 |
| Subcategory | Diodes & Rectifiers | Diodes & Rectifiers | Diodes & Rectifiers |
| Product | - | Switching Diodes | Switching Diodes |
| Mounting Style | - | Through Hole | SMD/SMT |
| Peak Reverse Voltage | - | 75 V | 50 V |
| Max Surge Current | - | 2.5 A | 2.5 A |
| If Forward Current | - | 300 mA | 100 mA |
| Configuration | - | Single | Single |
| Recovery Time | - | 6 ns | 6 ns |
| Vf Forward Voltage | - | 1.2 V | 1.2 V at 100 mA |
| Ir Reverse Current | - | 500 nA | 500 nA |
| Minimum Operating Temperature | - | - 65 C | - 65 C |
| Maximum Operating Temperature | - | + 175 C | + 175 C |
| Termination Style | - | Axial | - |
| Maximum Diode Capacitance | - | 5 pF | 5 pF |
| RoHS | - | - | N |
| Package / Case | - | - | D-5D-2 |
| Packaging | - | - | Reel |