The ESPQ10R45 from Hunan Jingxin Microelectronics is a MOSFET with Continous Drain Current -20 to -30 A, Drain Source Resistance 45 to 65 milli-ohm, Drain Source Breakdown Voltage -100 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -1.5 to -2.5 V. Tags: Surface Mount. More details for ESPQ10R45 can be seen below.