The MCU09N20 from Micro Commercial Components is a MOSFET with Continous Drain Current 9 A, Drain Source Resistance 210 to 250 milliohm, Drain Source Breakdown Voltage 200 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 1 to 3 V. Tags: Surface Mount. More details for MCU09N20 can be seen below.