Film and Foil Organic Dielectric Capacitors

In this lesson we will review features of various organic polymer film (plastic) dielectric materials that we introduced partially in previous lesson on paper capacitors. Polymer film capacitors are essential components in higher voltage and higher current circuits. Unlike most other dielectric systems, film capacitors feature low loss factor at very low temperature. Dielectric constant

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Derating and Category Concepts

The key points to remember from this lesson: there are two derating reason: voltage(/current limitation) and temperature the derating factors are in “OR“, “whatever is greater” logic relationship, so if the voltage derating rule says 20% and due to the temperature you have to derate 30%, “whatever is greater” condition applies – it means the

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