The IXTH12N65X2 from Littelfuse is a MOSFET with Continous Drain Current 12 A, Drain Source Resistance 300 Milliohm, Drain Source Breakdown Voltage 650 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 2.5 to 4.5 V. Tags: Through Hole. More details for IXTH12N65X2 can be seen below.