Combined PDF datasheet for the 1N5820, 1N5821 and 1N5822 Schottky rectifiers, 3 A parts rated at 20, 30 and 40 V respectively. The bracketed F in the name most likely denotes the vendor edition, but that is not confirmed. At 43 KB it gives ratings, curves and axial package dimensions, filed under schematics. Technicians pick from this family when replacing catch diodes in DC-DC converters. Choose the voltage grade at least equal to the original and check polarity marking before 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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