The SMHF4205D from Crane Aerospace & Electronics is a DC to DC Converter with Input Voltage 35 to 55 V, Output Voltage 1 4.82 to 5.18 V, Output Current 1 ±1.2 to 2.4 A, Output Power ±6 to 12 W, Power Consumption 3 to 6 W (Dissipation). Tags: Surface Mount. More details for SMHF4205D can be seen below.