The FDMD8680 from onsemi is a MOSFET with Continous Drain Current 66 A, Drain Source Resistance 4.7 milliohm, Drain Source Breakdown Voltage 80 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 4 V. Tags: Surface Mount. More details for FDMD8680 can be seen below.