The Si4896DY from Vishay is a MOSFET with Continous Drain Current 9.5 A, Drain Source Resistance 13.5 to 22 milliohm, Drain Source Breakdown Voltage 80 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 V. Tags: Surface Mount. More details for Si4896DY can be seen below.