The ES3415A from Hunan Jingxin Microelectronics is a MOSFET with Continous Drain Current -3.8 to -4.9 A, Drain Source Resistance 30 to 47 milli-ohm, Drain Source Breakdown Voltage -20 V, Gate Source Voltage -10 to 10 V, Gate Source Threshold Voltage -0.5 to -0.9 V. Tags: Surface Mount. More details for ES3415A can be seen below.