The RM12P30S8 from Rectron Semiconductor is a MOSFET with Continous Drain Current -12 A, Drain Source Resistance 11.5 to 25 milliohm, Drain Source Breakdown Voltage -30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -3 to -1 V. Tags: Surface Mount. More details for RM12P30S8 can be seen below.