The RMD4A5P20TS from Rectron Semiconductor is a MOSFET with Continous Drain Current -4.5 A, Drain Source Resistance 23 to 68 milliohm, Drain Source Breakdown Voltage -20 V, Gate Source Voltage -12 to 12 V, Gate Source Threshold Voltage -1 to -0.5 V. Tags: Surface Mount. More details for RMD4A5P20TS can be seen below.