Medium- and high-voltage capacitors find widespread use as snubbers or filters in applications, such as switching power supplies for audiovisual and business equipment (computers, modems and fax ...

Some 99 percent of the “design” problems associated with linear and switching regulators can be traced directly to the improper use of capacitors: wrong type, wrong value, or incorrect physical ...

Switched-mode power supplies (SMPS) and low dropout (LDO) regulators are found in electronic systems. Critical SMPS requirements include a stable output voltage with load current, good temperature ...

General decoupling applications require capacitors with a combination of high capacitance and low reactance (i.e., low equivalent series resistance [ESR] and equivalent series inductance [ESL]) in the ...

What capacitance do you get when you buy a multilayer ceramic capacitor? It might sound like an odd question but the actual answer is down to dielectric type, design and operational conditions which ...

Ceramic capacitors are pretty much the pixie dust of the electronics world. If you sprinkle enough of them on a circuit, everything will work. These ceramic capacitors aren’t the newest and latest ...

I suppose a better question is, when is it not OK to use a higher voltage than original? I know with non-polarized capacitors for use in speaker crossovers, they say higher voltage caps simply allow ...

Last month's column explained that AC current flowing through an inductance reaches its peak amplitude after the voltage. Lagging current is characteristic of an inductive circuit. Capacitive circuits ...

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Electrochemical capacitors, also called supercapacitors, store energy using either ion adsorption (electrochemical double layer capacitors) or fast surface redox reactions (pseudo-capacitors). They ...

Vintage equipment relies on many components to run properly, Chuck Gloman writes. Let’s focus today on what capacitors do in ...