The PDH02-48S3P3 from Ideal Power Ltd is a DC to DC Converter with Input Voltage 36 to 75 V, Output Voltage 1 3.3 V, Output Current 1 500 mA, Output Power 2000 mW, Isolation Voltage 1600 to 3000 V. Tags: Buck/Step down. More details for PDH02-48S3P3 can be seen below.