The FCU2250N80Z from onsemi is a MOSFET with Continous Drain Current 2.6 A, Drain Source Resistance 2250 milliohm, Drain Source Breakdown Voltage 800 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 4.5 V. Tags: Through Hole. More details for FCU2250N80Z can be seen below.