Rectifier datasheet for the 1N5407, the 800 V member of the 3 A 1N5400 family, held as a 43.4 KB PDF in the schematic section. The name gives no manufacturer or document revision. Inside are ratings for reverse voltage, average forward current and surge current, plus the package outline. Repair techs use it when replacing input rectifiers in mains-powered equipment. Make sure the replacement current and voltage ratings meet or exceed the original, and observe the cathode band when fitting.
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.