The HUF75329D3S from onsemi is a MOSFET with Continous Drain Current 20 A, Drain Source Resistance 220 to 260 milliohm, Drain Source Breakdown Voltage 55 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Surface Mount. More details for HUF75329D3S can be seen below.