The MRF5S from Pico Electronics is a DC to DC Converter with Input Voltage 8 to 24 V, Output Voltage 1 5 V, Output Current 1 0.04 to 0.4 A, Output Power 2000 mW, Operating Temperature -55 to 85 Degree C. Tags: Through Hole, Buck/Step Down. More details for MRF5S can be seen below.