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| PartNumber | FDB8444 | FDB8444-F085 | FDB8444TS |
| Description | MOSFET 40V N-Channel PowerTrench MOSFET | MOSFET 40V N-Ch PowerTrench | MOSFET N-CH 40V 70A D2PAK-5 |
| Manufacturer | ON Semiconductor | ON Semiconductor | - |
| Product Category | MOSFET | MOSFET | - |
| RoHS | E | Y | - |
| Technology | Si | Si | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | TO-263-3 | TO-263-3 | - |
| Number of Channels | 1 Channel | 1 Channel | - |
| Transistor Polarity | N-Channel | N-Channel | - |
| Vds Drain Source Breakdown Voltage | 40 V | 40 V | - |
| Id Continuous Drain Current | 70 A | 70 A | - |
| Rds On Drain Source Resistance | 3.9 mOhms | 3.9 mOhms | - |
| Vgs Gate Source Voltage | 20 V | 20 V | - |
| Minimum Operating Temperature | - 55 C | - 55 C | - |
| Maximum Operating Temperature | + 175 C | + 175 C | - |
| Pd Power Dissipation | 167 W | 167 W | - |
| Configuration | Single | Single | - |
| Channel Mode | Enhancement | Enhancement | - |
| Tradename | PowerTrench | PowerTrench | - |
| Packaging | Reel | Reel | - |
| Height | 4.83 mm | 4.83 mm | - |
| Length | 10.67 mm | 10.67 mm | - |
| Series | FDB8444 | FDB8444_F085 | - |
| Transistor Type | 1 N-Channel | 1 N-Channel | - |
| Type | MOSFET | - | - |
| Width | 9.65 mm | 9.65 mm | - |
| Brand | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild | - |
| Fall Time | 15 ns | 15 ns | - |
| Product Type | MOSFET | MOSFET | - |
| Rise Time | 78 ns | 78 ns | - |
| Factory Pack Quantity | 800 | 800 | - |
| Subcategory | MOSFETs | MOSFETs | - |
| Typical Turn Off Delay Time | 48 ns | 48 ns | - |
| Typical Turn On Delay Time | 12 ns | 12 ns | - |
| Unit Weight | 0.046296 oz | 0.046296 oz | - |
| Qualification | - | AEC-Q101 | - |
| Part # Aliases | - | FDB8444_F085 | - |