The PXF40-48S3P3 from TDK Corporation is a DC to DC Converter with Input Voltage 36 to 75 V, Output Voltage 1 3.3 V, Output Current 1 8000 mA, Output Power 40000 mW, Operating Temperature -40 to 100 Degree C. Tags: Through Hole, Buck/Step down. More details for PXF40-48S3P3 can be seen below.