The RM1A2N20ES2 from Rectron Semiconductor is a MOSFET with Continous Drain Current 1.2 A, Drain Source Resistance 120 to 220 milliohm, Drain Source Breakdown Voltage 20 V, Gate Source Voltage -12 to 12 V, Gate Source Threshold Voltage 0.35 to 1.1 V. Tags: Surface Mount. More details for RM1A2N20ES2 can be seen below.