The SiSF20DN-T1-GE3 from Vishay is a MOSFET with Continous Drain Current 52 A, Drain Source Resistance 10 to 18.5 milliohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 3 V. Tags: Surface Mount. More details for SiSF20DN-T1-GE3 can be seen below.