The MCB180N10Y from Micro Commercial Components is a MOSFET with Continous Drain Current 180 A, Drain Source Resistance 2.7 to 3.3 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 MCB180N10Y can be seen below.