The YJG18N10A from Yangjie Electronic Technology is a MOSFET with Continous Drain Current 18 A, Drain Source Resistance 49 to 70 milliohm, Drain Source Breakdown Voltage 100 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.1 to 3 V. Tags: Surface Mount. More details for YJG18N10A can be seen below.