The MSC035SMA170S from Microchip Technology is a MOSFET with Continous Drain Current 59 A, Drain Source Resistance 35 to 45 milliohm, Drain Source Breakdown Voltage 1700 V, Gate Source Voltage -10 to 23 V, Gate Source Threshold Voltage 1.8 to 3.25 V. Tags: Surface Mount. More details for MSC035SMA170S can be seen below.