The YJG200G04AR from Yangjie Electronic Technology is a MOSFET with Continous Drain Current 200 A, Drain Source Resistance 1.1 to 2.1 milliohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 2.5 V. Tags: Surface Mount. More details for YJG200G04AR can be seen below.