The Si7223DN from Vishay is a MOSFET with Continous Drain Current -6 A, Drain Source Resistance 22 to 37.2 Milliohm, Drain Source Breakdown Voltage -30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -2.5 to -1 V. Tags: Surface Mount. More details for Si7223DN can be seen below.