The IRL540 from Vishay is a MOSFET with Continous Drain Current 28 A, Drain Source Resistance 77 to 110 milliohm, Drain Source Breakdown Voltage 100 V, Gate Source Voltage -10 to 10 V, Gate Source Threshold Voltage 1 to 2 V. Tags: Through Hole. More details for IRL540 can be seen below.