Covering the 2SK2125 N-channel FET, this 35 KB PDF is filed under schematics, though a part-number-only name normally indicates a manufacturer datasheet. The 2SK prefix comes from Japanese JIS transistor registration. The name does not reveal the brand or package. Its practical value lies in the pin diagram and ratings, which help when testing a suspect MOSFET with a meter, tracing a short on a supply rail, or selecting a modern equivalent part.
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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