The MCAC38N10YA from Micro Commercial Components is a MOSFET with Continous Drain Current 38 A, Drain Source Resistance 15.5 to 20 milliohm, Drain Source Breakdown Voltage 100 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Surface Mount. More details for MCAC38N10YA can be seen below.