The Si7119DN from Vishay is a MOSFET with Continous Drain Current 3.8 A, Drain Source Resistance 860 to 1100 Milliohm, Drain Source Breakdown Voltage -200 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -4 to -2 V. Tags: Surface Mount. More details for Si7119DN can be seen below.