The MCAC90N10Y from Micro Commercial Components is a MOSFET with Continous Drain Current 90 A, Drain Source Resistance 3.7 to 4.8 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 MCAC90N10Y can be seen below.