The ESTF409 from Hunan Jingxin Microelectronics is a MOSFET with Continous Drain Current -18 to -24 A, Drain Source Resistance 27 to 38 milli-ohm, Drain Source Breakdown Voltage -60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -1.1 to -2.1 V. Tags: Through Hole. More details for ESTF409 can be seen below.