The IXTQ 18N60P from Littelfuse is a MOSFET with Continous Drain Current 18 A, Drain Source Resistance 420 Milliohm, Drain Source Breakdown Voltage 600 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 3 to 5.5 V. Tags: Through Hole. More details for IXTQ 18N60P can be seen below.