The IXFH14N85X from Littelfuse is a MOSFET with Continous Drain Current 14 A, Drain Source Resistance 550 Milliohm, Drain Source Breakdown Voltage 850 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 3.5 to 5.5 V. Tags: Through Hole. More details for IXFH14N85X can be seen below.