Datasheet-type PDF of 132 KB covering transistor 2SC4438, filed with the schematics in this index. Japanese JIS codes beginning with 2SC denote NPN bipolar devices built for high-frequency circuits. The name provides no maker, package or ranking information. Consult the document for the lead arrangement, collector and emitter ratings, power dissipation and gain groups, and make sure the replacement you select meets or exceeds these values while the marking on the original part matches this number.
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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