The MPH02-12S3P3 from Ideal Power Ltd is a DC to DC Converter with Input Voltage 9 to 18 V, Output Voltage 1 3.3 V, Output Current 1 600 mA, Isolation Voltage 5000 V, Operating Temperature -40 to 105 Degree C. Tags: Through Hole, Buck/Step down. More details for MPH02-12S3P3 can be seen below.