For the 2SK2417 there is this 400 KB PDF, placed in the schematic category but, judging by the JIS-style number, a transistor datasheet; 2SK marks N-channel FETs. The name offers no maker, package or revision. Typical uses include checking pin order before soldering, reading the maximum drain-source voltage and current, and comparing gate charge or on-resistance against a proposed substitute. Verify the marking on the actual component matches 2SK2417 before relying on the data.
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.