The YJG90G10B from Yangjie Electronic Technology is a MOSFET with Continous Drain Current 90 A, Drain Source Resistance 4.3 to 5.2 milliohm, Drain Source Breakdown Voltage 100 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Surface Mount. More details for YJG90G10B can be seen below.