The IRFB9N65A from Vishay is a MOSFET with Continous Drain Current 8.5 A, Drain Source Resistance 930 milliohm, Drain Source Breakdown Voltage 650 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Through Hole. More details for IRFB9N65A can be seen below.