| PartNumber | SI4866DY-T1-E3 | SI4866BDY-T1-GE3 | SI4866BDY-T1-E3 |
| Description | MOSFET 12 Volt 11 Amp 3.0W | MOSFET 12V Vds 8V Vgs SO-8 | MOSFET N-CH 12V 21.5A 8-SOIC |
| Manufacturer | Vishay | Vishay | - |
| Product Category | MOSFET | MOSFET | - |
| RoHS | Y | Y | - |
| Technology | Si | Si | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SO-8 | SO-8 | - |
| Tradename | TrenchFET | TrenchFET | - |
| Packaging | Reel | Reel | - |
| Height | 1.75 mm | 1.75 mm | - |
| Length | 4.9 mm | 4.9 mm | - |
| Series | SI4 | SI4 | - |
| Width | 3.9 mm | 3.9 mm | - |
| Brand | Vishay / Siliconix | Vishay / Siliconix | - |
| Product Type | MOSFET | MOSFET | - |
| Factory Pack Quantity | 2500 | 2500 | - |
| Subcategory | MOSFETs | MOSFETs | - |
| Part # Aliases | SI4866DY-E3 | SI4866BDY-GE3 | - |
| Unit Weight | 0.006596 oz | 0.006596 oz | - |