The SiA918EDJ from Vishay is a MOSFET with Continous Drain Current 4.5 A, Drain Source Resistance 46 to 77 Milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -8 to 8 V, Gate Source Threshold Voltage 0.4 to 0.9 V. Tags: Surface Mount. More details for SiA918EDJ can be seen below.