Carrying the part number 2SC2349, this 294 KB PDF concerns an NPN bipolar transistor designated under the JIS system. It sits in the schematic category, but the name indicates a manufacturer datasheet. Repair use centres on checking breakdown voltages, collector current, hFE ranges and the pin arrangement shown in the outline drawing. Confirm the original part's case and marking match the sheet before relying on it to pick a replacement or test the device in circuit.
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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The standard format for schematics, block diagrams, power-sequence charts and service manuals.