The SCT3040KL from ROHM Semiconductor is a MOSFET with Continous Drain Current 39 to 55 A, Drain Source Resistance 40 to 60 Milliohm, Drain Source Breakdown Voltage 1200 V, Gate Source Voltage -4 to 22 V, Gate Source Threshold Voltage 2.7 to 5.6 V. Tags: Through Hole. More details for SCT3040KL can be seen below.