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Old 26-09-2017, 09:37 AM
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ZeroID (Brent)
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Join Date: May 2010
Location: Auckland, NZ
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The capacitors are normally the things that go in PSU's. that where the smoke is held and is the generator of loud bangs. They dry out over time. Also the same in older UPS hardware btw. Capacitors are very similarly constructed as batteries, two conductors separated by a dielectric film with a gel electrolyte.
Rectifier diodes are the other culprits, they only have a little bit of smoke.
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