| PartNumber | IRF840ALPBF | IRF840A | IRF840AL |
| Description | MOSFET N-CH 500V HEXFET MOSFET TO-26 | MOSFET RECOMMENDED ALT 844-IRF840APBF | MOSFET N-CH 500V 8A TO-262 |
| Manufacturer | Vishay | Vishay | - |
| Product Category | MOSFET | MOSFET | - |
| RoHS | E | N | - |
| Technology | Si | Si | - |
| Mounting Style | Through Hole | - | - |
| Package / Case | TO-262-3 | - | - |
| Packaging | Tube | Tube | - |
| Height | 9.65 mm | - | - |
| Length | 10.67 mm | - | - |
| Series | IRF | IRF | - |
| Width | 4.83 mm | - | - |
| Brand | Vishay / Siliconix | Vishay / Siliconix | - |
| Product Type | MOSFET | MOSFET | - |
| Factory Pack Quantity | 1000 | 50 | - |
| Subcategory | MOSFETs | MOSFETs | - |
| Unit Weight | 0.084199 oz | 0.211644 oz | - |