PDF of 41.2 KB for the 2SC3130, with an extra E suffix in the name whose meaning is not stated; it may mark an edition, language or variant, so check inside. The 2SC prefix identifies an NPN bipolar transistor in Japanese JIS numbering, usually marked C3130 on the body. Although listed as a schematic, it is most likely a part data sheet. Use it for pin identification, rating checks and choosing an equivalent, and confirm the marking on the device matches before relying on the figures.
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.