Here are more technical design notes for the PFE500S series. A recommended Bill of Materials (BOM) for all external components and detailed application information for the PFE series can be found on the TDK-Lambda website, which is http://www.us.tdk-lambda.com/lp/products/pfe-series.htm. At this site datasheets, technical files, outline drawings, and reference design information such as PCB layouts, evaluation boards and Gerber files can be found.