The Si8499DB from Vishay is a MOSFET with Continous Drain Current 16 A, Drain Source Resistance 26 to 120 Milliohm, Drain Source Breakdown Voltage -20 V, Gate Source Voltage -12 to 12 V, Gate Source Threshold Voltage -1.3 to -0.5 V. Tags: Surface Mount. More details for Si8499DB can be seen below.