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| Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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Metalisation creep?
Why would a SMPS high speed Unitrode rectifier stud diode 1N5812 , 20 amp,
fail sitting around in a normal human occupation heated environment for 10 years unused? Currently reads a stable 6.2 ohms. Replaced with a new one but I intend passing ever increasing current through the old one to see what happens. Any other ideas concerning cause or analysis ? -- Diverse Devices, Southampton, England electronic hints and repair briefs , schematics/manuals list on http://home.graffiti.net/diverse:graffiti.net/ |
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