This 125 KB PDF refers to 2SC5066FT, an NPN transistor in the Japanese 2SC numbering; the FT suffix most likely denotes a package or variant code, which the document…

A 467 KB PDF covering the 2SC5066, listed as a schematic but named after a JIS-designated NPN bipolar transistor, so expect a datasheet with ratings, curves and package…

Identified by part number 2SC5065 alone, this 467 KB PDF is catalogued as a schematic. The 2SC prefix marks an NPN transistor in the Japanese JIS system, so the file is…