The MCU28P10Y from Micro Commercial Components is a MOSFET with Continous Drain Current -28 A, Drain Source Resistance 42 to 65 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 MCU28P10Y can be seen below.