The RM04N30S2 from Rectron Semiconductor is a MOSFET with Continous Drain Current 3.6 A, Drain Source Resistance 40 to 73 milliohm, Drain Source Breakdown Voltage 30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage 1.2 to 2.2 V. Tags: Surface Mount. More details for RM04N30S2 can be seen below.