The RM003N600ES2 from Rectron Semiconductor is a MOSFET with Continous Drain Current 0.03 A, Drain Source Resistance 280000 to 500000 milliohm, Drain Source Breakdown Voltage 600 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.4 to 2.6 V. Tags: Surface Mount. More details for RM003N600ES2 can be seen below.