The RM80N100DF from Rectron Semiconductor is a MOSFET with Continous Drain Current 80 A, Drain Source Resistance 5 to 5.5 milliohm, Drain Source Breakdown Voltage 100 V, Gate Source Voltage -12 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Surface Mount. More details for RM80N100DF can be seen below.