The MCACL200N04Y from Micro Commercial Components is a MOSFET with Continous Drain Current 200 A, Drain Source Resistance 1.1 to 2.1 milliohm, Drain Source Breakdown Voltage 40 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 2.5 V. Tags: Surface Mount. More details for MCACL200N04Y can be seen below.