The SiA459EDJ from Vishay is a MOSFET with Continous Drain Current 9 A, Drain Source Resistance 28 to 62 Milliohm, Drain Source Breakdown Voltage -20 V, Gate Source Voltage -12 to 12 V, Gate Source Threshold Voltage -1.2 to -0.6 V. Tags: Surface Mount. More details for SiA459EDJ can be seen below.