Other Inorganic Dielectrics
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Capacitors
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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Paper and Plastic Film Capacitors
Plastic film MKT and MKP capacitors are offering higher capacitance values in smaller case sizes compared to MP capacitors. However, thanks to the good oxidation behaviour of the paper dielectric, MP paper capacitors have outstanding self-healing properties and reliability even with high energy pulses.
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Electrostatic Capacitors Constructional Solutions
The key points from this lesson to remember is that manufacturers have a wide choice of construction design options to reinforce specific features of the capacitor. For example pulse power ruggedized series may have a really different robust design compare to a consumer type. Thus it worth its premium price and purchase from established trusted
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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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Capacitance, Dipoles and Dielectric Absorption
During this lesson you will learn some basic physical mechanisms and influence factors responsible for to the main capacitor feature:
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