The IXTK20N150 from Littelfuse is a MOSFET with Continous Drain Current 20 A, Drain Source Resistance 1000 Milliohm, Drain Source Breakdown Voltage 1500 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 2.5 to 4.5 V. Tags: Through Hole. More details for IXTK20N150 can be seen below.