| PartNumber | HUF75321D3ST | HUF75321D3S | HUF75321D3 |
| Description | MOSFET 20a 55V N-Channel UltraFET | MOSFET 20a 55V N-Channel UltraFET | MOSFET 20a 55V N-Channel UltraFET |
| Manufacturer | ON Semiconductor | ON Semiconductor | ON Semiconductor |
| Product Category | MOSFET | MOSFET | MOSFET |
| RoHS | E | E | E |
| Technology | Si | Si | Si |
| Mounting Style | SMD/SMT | SMD/SMT | Through Hole |
| Package / Case | TO-252-3 | TO-252-3 | TO-220-3 |
| Number of Channels | 1 Channel | 1 Channel | 1 Channel |
| Transistor Polarity | N-Channel | N-Channel | N-Channel |
| Vds Drain Source Breakdown Voltage | 55 V | 55 V | 55 V |
| Id Continuous Drain Current | 20 A | 20 A | 20 A |
| Rds On Drain Source Resistance | 36 mOhms | 36 mOhms | 36 mOhms |
| Vgs Gate Source Voltage | 20 V | 20 V | 20 V |
| Minimum Operating Temperature | - 55 C | - 55 C | - 55 C |
| Maximum Operating Temperature | + 175 C | + 175 C | + 175 C |
| Pd Power Dissipation | 93 W | 93 W | 93 W |
| Configuration | Single | Single | Single |
| Channel Mode | Enhancement | Enhancement | Enhancement |
| Tradename | UltraFET | - | - |
| Packaging | Reel | Tube | Tube |
| Height | 2.39 mm | 2.39 mm | 16.3 mm |
| Length | 6.73 mm | 6.73 mm | 10.67 mm |
| Series | HUF75321D3ST | - | - |
| Transistor Type | 1 N-Channel | 1 N-Channel | 1 N-Channel |
| Type | MOSFET | MOSFET | MOSFET |
| Width | 6.22 mm | 6.22 mm | 4.7 mm |
| Brand | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild | ON Semiconductor / Fairchild |
| Fall Time | 66 ns | 66 ns | 66 ns |
| Product Type | MOSFET | MOSFET | MOSFET |
| Rise Time | 55 ns | 55 ns | 55 ns |
| Factory Pack Quantity | 2500 | 1800 | 1800 |
| Subcategory | MOSFETs | MOSFETs | MOSFETs |
| Typical Turn Off Delay Time | 47 ns | 47 ns | 47 ns |
| Typical Turn On Delay Time | 11 ns | 11 ns | 11 ns |
| Part # Aliases | HUF75321D3ST_NL | HUF75321D3S_NL | - |
| Unit Weight | 0.009184 oz | 0.139332 oz | 0.139332 oz |