The RM85N100DF from Rectron Semiconductor is a MOSFET with Continous Drain Current 85 A, Drain Source Resistance 3.8 to 6.4 milliohm, Drain Source Breakdown Voltage 100 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.5 to 3 V. Tags: Surface Mount. More details for RM85N100DF can be seen below.