The SiR122DP-T1-RE3 from Vishay is a MOSFET with Continous Drain Current 59.6 A, Drain Source Resistance 6.1 to 9 milliohm, Drain Source Breakdown Voltage 80 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 3.8 V. Tags: Surface Mount. More details for SiR122DP-T1-RE3 can be seen below.