The MSC080SMA120B from Microchip Technology is a MOSFET with Continous Drain Current 37 A, Drain Source Resistance 80 to 100 milliohm, Drain Source Breakdown Voltage 1200 V, Gate Source Voltage -10 to 23 V, Gate Source Threshold Voltage 1.8 to 2.8 V. Tags: Through Hole. More details for MSC080SMA120B can be seen below.