The RM8N700HD from Rectron Semiconductor is a MOSFET with Continous Drain Current 8 A, Drain Source Resistance 540 to 600 milliohm, Drain Source Breakdown Voltage 700 V, Gate Source Voltage -30 to 30 V, Gate Source Threshold Voltage 2.5 to 3.5 V. Tags: Surface Mount. More details for RM8N700HD can be seen below.