Transistor reference for the 2SD2048, 78.9 KB, in PDF format and listed among schematics. The 2SD prefix belongs to Japanese JIS numbering and denotes an NPN bipolar device for low-frequency or power circuits. A sheet of this size usually gives the key ratings, characteristics and package drawing. Repair use includes identifying base, collector and emitter, diode-mode testing out of circuit and confirming a replacement meets the original limits. Any PDF viewer will open it.
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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