The YJG105N03A from Yangjie Electronic Technology is a MOSFET with Continous Drain Current 105 A, Drain Source Resistance 2.45 to 4 milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 2.5 V. Tags: Surface Mount. More details for YJG105N03A can be seen below.