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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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Selenium Rectifier / Metal Rectifier queries
On Jan 9, 5:54*pm, "Paul P" REMOVE paul @ REMOVE ppinyot . REMOVEcom
wrote: I believe Selenium is still used in the power industry. http://www.cehco.com/?page_id=233 Paul P. Metal rectifiers are still used in things like elevators and radio transmission facilities, I believe. I think they're selenium. There's also the mercury arc rectifier -- although that's not a solid state device. I've heard that copper oxide diodes were superior in that they didn't decay with age like their selenium counterparts (as those of us working old radio receivers know). Stephanie Weil KC2TJB Holbrook, NY |
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