Datasheet PDF for the 2SC5229, 135 KB, kept in the schematic category of the index. Japanese JIS part numbering assigns 2SC to NPN bipolar transistors, which identifies the device class. Package, manufacturer and revision are not included in the name and should be taken from the document. It helps when identifying emitter, base and collector pins for diode-mode checks. It also covers the safe operating limits and possible equivalents for a component found shorted or open on a board.
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.