Reference sheet for the 2SK1418 in a 103 KB PDF, placed in the schematic category. Japanese JIS designations starting 2SK indicate N-channel FETs; beyond that the name offers no maker, package or rating details. Open the file in a PDF reader to confirm pinout and limits. During repair it helps identify gate, drain and source for diode-mode tests, judge readings that suggest failure, and compare candidate replacements, once the marking on the original part is verified.
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.