PDF reference for the 2SC4248 transistor, 300 KB in size. Beyond the part number the file name gives no information about manufacturer, package or revision. According to the Japanese JIS convention, 2SC marks an NPN transistor in the high-frequency class. The datasheet helps a technician read the pinout, maximum collector voltage and current, dissipation and hFE grouping, all needed to judge a replacement. Confirm the printed code, normally C4248, and the package type before relying on these specifications.
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.
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