The MCU18P10Y from Micro Commercial Components is a MOSFET with Continous Drain Current -18 A, Drain Source Resistance 90 to 130 milliohm, Drain Source Breakdown Voltage -100 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -2.5 to -1 V. Tags: Surface Mount. More details for MCU18P10Y can be seen below.