The ESD4186 from Hunan Jingxin Microelectronics is a MOSFET with Continous Drain Current 28 to 36 A, Drain Source Resistance 16 to 29 milli-ohm, Drain Source Breakdown Voltage 45 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.0 to 1.8 V. Tags: Surface Mount. More details for ESD4186 can be seen below.