Capacitors as energy storage devices—simple basics to current commercial families
Kosala Gunawardane
Abstract
An introduction to commonly used capacitors is provided with their technologies and general limits to appreciate the advantages, limits and sizes of commercial capacitors.
Keywords
Electrolytics
ceramics
tantalum
capacitor ratings
4.1 Capacitor fundamentals
A capacitor is a device that stores electrical charge and releases them when it is required by the circuit. The arrangement shown in Figure 4.1 illustrates the simplest configuration of a capacitor: two parallel conducting plates separated by a dielectric material (electric insulator) where parallel plates have an area A and separation d.
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