The FDBL86361-F085 from onsemi is a MOSFET with Continous Drain Current 300 A, Drain Source Resistance 1.1 to 3.1 milli-ohm, Drain Source Breakdown Voltage 80 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Surface Mount. More details for FDBL86361-F085 can be seen below.