The PXD20-12S3P3 from TDK Corporation is a DC to DC Converter with Input Voltage 9 to 18 V, Output Voltage 1 3.3 V, Output Current 1 5000 mA, Output Power 16500 mW, Storage Temperature -55 to 105 Degree C. Tags: Through Hole, Buck/Step down. More details for PXD20-12S3P3 can be seen below.