Catalogued as a schematic, this 53.8 KB PDF is named 70epf08 and states nothing about a device, brand or board revision. It differs by a single letter from the neighbouring 70eps08 file, which suggests a closely related part variant, but the name alone does not explain the distinction. The document is short and opens in any PDF reader. Use it to check pinout and ratings only after confirming the marking on the component in hand matches this exact code and suffix.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @cyberlanelectonik. Enginerys does not host this file.
How to open a .pdf file
The standard format for schematics, block diagrams, power-sequence charts and service manuals.