The FCH085N80-F155 from onsemi is a MOSFET with Continous Drain Current 46 A, Drain Source Resistance 85 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 FCH085N80-F155 can be seen below.