The SiSS42DN-T1-GE3 from Vishay is a MOSFET with Continous Drain Current 40.5 A, Drain Source Resistance 12 to 17 milliohm, Drain Source Breakdown Voltage 100 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 3.4 V. Tags: Surface Mount. More details for SiSS42DN-T1-GE3 can be seen below.