Reference PDF for the 2SK2466, 424 KB in size, belonging to the JIS N-channel FET family denoted by 2SK. The name contains only the part number. Expect electrical characteristics, absolute maximum ratings, curves and a package drawing inside. For repair work it confirms which pin is the gate, drain and source, what voltage the device withstands and what gate drive it needs, all of which guide testing and substitute selection. Match the part code printed on the component before use.
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.