Datasheet PDF for the 1N3879 device, 304 KB, filed in the schematic category. The name provides no vendor, package or revision, so the issuer and exact specification must be read from the document. The 1N3879 is generally known as a fast recovery stud-mount rectifier, but confirm ratings inside the sheet before substitution. Technicians use such data for current rating, reverse voltage, recovery time and mounting details when replacing a power rectifier in supplies, welders or industrial equipment.
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