The RM50P30D3 from Rectron Semiconductor is a MOSFET with Continous Drain Current -50 A, Drain Source Resistance 7.3 to 13.5 milliohm, Drain Source Breakdown Voltage -30 V, Gate Source Voltage -20 to 20 V, Gate Source Threshold Voltage -2.5 to -1.2 V. Tags: Surface Mount. More details for RM50P30D3 can be seen below.