The Si5429DU from Vishay is a MOSFET with Continous Drain Current -12 A, Drain Source Resistance 12.2 to 22 Milliohm, Drain Source Breakdown Voltage -30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -2.2 to -1 V. Tags: Surface Mount. More details for Si5429DU can be seen below.