The RM180N100AHD from Rectron Semiconductor is a MOSFET with Continous Drain Current 180 A, Drain Source Resistance 2.2 to 2.7 milliohm, Drain Source Breakdown Voltage 100 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 2 to 4 V. Tags: Surface Mount. More details for RM180N100AHD can be seen below.