The ESN409 from Hunan Jingxin Microelectronics is a MOSFET with Continous Drain Current -22 to -28 A, Drain Source Resistance 27.0 to 38.0 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: Surface Mount. More details for ESN409 can be seen below.