The MCAC53N06Y from Micro Commercial Components is a MOSFET with Continous Drain Current 53 A, Drain Source Resistance 5.3 to 9.5 milliohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.1 to 2.5 V. Tags: Surface Mount. More details for MCAC53N06Y can be seen below.