Though the vast majority of film caps are nonpolar, noise is a concern in audio circuits. I’ve always tested mine (by ear or scope), to predetermine installation orientation. https://www.aikenamps.com/index.php/where-to-connect-the-outside-foil-on-capacitors
Capacitor upgrade jargon definitions
What is "poly" ? -STYRENE or -PROPYLENE? Which is available as the least cost replacement for bipolar electrolytic radials, 100V 8 and 15uf ? Are "poly" caps foil, or film, or foil AND film construction? People use "poly" and "film" interchangeably as though they are the same thing. Are they? And lastly, are "poly" caps non-/bi-polar ? If not, how do you know which way they go in? Thank you.
Showing 2 responses by rodman99999
Well, let’s see: https://en.wikipedia.org/wiki/Film_capacitor AND: https://eepower.com/capacitor-guide/types/film-capacitor/# Google Search, to the rescue!
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