The ES6400 from Hunan Jingxin Microelectronics is a MOSFET with Continous Drain Current 5.1 to 6.5 A, Drain Source Resistance 21.0 to 51.0 milli-ohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -12 to 12 V, Gate Source Threshold Voltage 0.6 to 1.3 V. Tags: Surface Mount. More details for ES6400 can be seen below.