The ES05N06A from Hunan Jingxin Microelectronics is a MOSFET with Continous Drain Current 4.2 to 5.4 A, Drain Source Resistance 34 to 53 milli-ohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.1 to 1.9 V. Tags: Surface Mount. More details for ES05N06A can be seen below.