Indexed as a schematic, this 112 KB PDF carries just the name 2SK1454, a JIS-style code for an N-channel field-effect transistor. The content is likely the data sheet with absolute maximum ratings, characteristic curves and outline dimensions. Repair work benefits from it when locating gate, drain and source for in-circuit measurements, or when weighing whether a more common MOSFET can stand in for this one. The name gives no package type, so measure the footprint and read the device marking before ordering parts.
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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