The MCACL120N10YA from Micro Commercial Components is a MOSFET with Continous Drain Current 120 A, Drain Source Resistance 3.2 to 4 milliohm, Drain Source Breakdown Voltage 100 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 2.5 V. Tags: Surface Mount. More details for MCACL120N10YA can be seen below.