The Si7322DN from Vishay is a MOSFET with Continous Drain Current 18 A, Drain Source Resistance 48 to 58 Milliohm, Drain Source Breakdown Voltage 100 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2.5 to 4.4 V. Tags: Surface Mount. More details for Si7322DN can be seen below.