The SiR4602LDP-T1-RE3 from Vishay is a MOSFET with Continous Drain Current 52.1 A, Drain Source Resistance 7.3 to 12.5 milliohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1 to 2.5 V. Tags: Surface Mount. More details for SiR4602LDP-T1-RE3 can be seen below.