The FQI7N80 from onsemi is a MOSFET with Continous Drain Current 6.6 A, Drain Source Resistance 1200 to 1500 milliohm, Drain Source Breakdown Voltage 800 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 3 to 5 V. Tags: Through Hole. More details for FQI7N80 can be seen below.