The MLD685D from Sanken Electric is a MOSFET with Continous Drain Current -85 to 85 A, Drain Source Resistance 4 to 4.7 milli-ohm, Drain Source Breakdown Voltage 60 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 3 V. Tags: Through Hole. More details for MLD685D can be seen below.