8mm Forum: Polarity in capacitors? What?

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Topic: Polarity in capacitors? What?

Barry Fritz
Phenomenal Film Handler

Posts: 1061
From: Burnsville, MN, USA
Registered: Dec 2009

posted November 17, 2019 09:43 AM

I never knew this, but I am a dunce when it comes to electronics. Judging by comments for this video, many long-time electronics men did not know it either. https://www.youtube.com/watch?v=BnR_DLd1PDI

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Steve Klare
Film Guy

Posts: 7016
From: Long Island, NY, USA
Registered: Jun 2003

posted November 17, 2019 07:07 PM

It's interesting: I worked in power supply manufacturing for about 30 years and it's the first time I've ever heard of this.

Real electronics is full of little uncertainties like this that make the devices you build act in ways you can't completely explain. All you can hope for is the specs you are trying to meet have enough slop that even with all this stuff going on you can still hit the mark.

Engineering is very much the art of "close enough!".

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