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| PartNumber | SI8401DB-T1-E3 | SI8401DB-T1-E1 | SI8401DB-T1 |
| Description | MOSFET 20V 4.9A 2.77W 65mohm @ 4.5V | MOSFET 20V 4.9A 2.77W 65mohm @ 4.5V | MOSFET RECOMMENDED ALT 781-SI8401DB-T1-E1 |
| Manufacturer | Vishay | Vishay | - |
| Product Category | MOSFET | MOSFET | - |
| RoHS | Y | Y | - |
| Technology | Si | Si | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | MicroFoot-4 | MicroFoot-4 | - |
| Tradename | TrenchFET | TrenchFET | - |
| Packaging | Reel | Reel | - |
| Height | 0.65 mm | 0.65 mm | - |
| Length | 1.6 mm | 1.6 mm | - |
| Series | SI8 | SI8 | - |
| Width | 1.6 mm | 1.6 mm | - |
| Brand | Vishay / Siliconix | Vishay / Siliconix | - |
| Product Type | MOSFET | MOSFET | - |
| Factory Pack Quantity | 3000 | 3000 | - |
| Subcategory | MOSFETs | MOSFETs | - |
| Part # Aliases | SI8401DB-E3 | SI8401DB-E1 | - |