The IXTL2N450 from Littelfuse is a MOSFET with Continous Drain Current 2 A, Drain Source Resistance 20000 Milliohm, Drain Source Breakdown Voltage 4500 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 3.5 to 6 V. Tags: Through Hole. More details for IXTL2N450 can be seen below.