Variable Capacitors

Variable capacitors and its design are the last lesson of the course to complete overview of capacitor technologies and its basic features.

Ripple Current and Power Load

The key point to remember from this lesson is that transient surge current in power circuits (or just in battery circuits) can overload the capacitor constructional limitations. Some capacitor technologies are more sensitive to the transient then others. In case that higher power rating of capacitors is needed, a special dedicated “surge/pulse” robust series may …

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Capacitor Types Introduction

Capacitors Market Share At first, have a look what are the main fixed capacitor technologies today and their market presence. The global capacitor industry market is estimated around $20 billion in 2019, with a CAGR of 2.5% over the next five years. Ceramic capacitors are leading miniaturization, downsizing and dominating the market share. The above …

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Capacitors Basic Concept Videos

You can check and complete your knowledge from this section with some more videos available from manufacturers and university classes.


Supercapacitors are one of the most progressing capacitor technologies in recent years. It is proved its reliability and design flexibility to provide wide range of energy storage solutions from small wearables, industrial applications, automotive to large energy power network backup systems. Lets learn some more about its structure, characteristics and features

Introduction to Capacitors

What is a Capacitor ? the very basic definitions: Capacitors are passive electrical components to store electric energy A capacitor is made from electrical conductive electrodes that are separated by an insulator. The insulating layer is called a dielectric. Although all capacitors share the same basic principle components, the material choice, configurations and features can …

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Aluminum Electrolytics

The primary strength of aluminum capacitors is their ability to provide a large capacitance value in a small package, and do so for a relatively low cost. Additionally, they tend to have good self-healing characteristics; when a localized weak spot in the aluminum oxide dielectric layer develops, the increased leakage current flow through the weak …

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