The HUF75321D3ST 20A, 55V, 0.036 Ohm, N-Channel UltraFET Power MOSFETs are innovative N-Channel power MOSFETs manufactured by Fairchild Semiconductor Corporation, achieving the lowest possible on-resistance per silicon area, resulting in outstanding performance.
The document is a technical datasheet for the Fairchild HUF75321D3ST, a 20A, 55V N-Channel UltraFET Power MOSFET. It highlights the device's low on-resistance of 0.036 Ohm and its suitability for applications requiring power efficiency, such as switching regulators, motor drivers, and low-voltage bus switches. The datasheet notes that this device was formerly known as the developmental type TA75321.
| Drain Current (Continuous) | 20A |
|---|---|
| Drain to Source Voltage | 55V |
| On Resistance | 0.036 Ohm |
| Package Type | JEDEC TO-252AA |
| Drain to Source Breakdown Voltage | 55V |
| Turn-On Time | 100 ns |
| Reverse Recovery Time | 59 ns |
The former developmental type number was TA75321.
Yes, for severe environments, users should refer to the Automotive HUFA series.