Tantalum capacitors made with conducting polymer electrodes have been around for a dozen years now. For the first few years they were limited to low voltage — 5 V max. Now they go all the way to 125 V ...

Penn State researchers have developed a new high-temperature polymer capacitor that can store four ...

Current capacitors often require dedicated cooling loops to keep them operating within a safe temperature range. If the capacitor itself can withstand the heat of an engine block or a high-voltage ...

Capacitors are classified according to their dielectric’s type. Electrolytic capacitors are popular in power electronic circuits, due to their high volumetric efficiency and excellent price ...

A UK consortium has developed a 200°C Pb-free ceramic capacitor for automotive power converters. Key to the capacitor is a completely new dielectric material that does not suffer from the ...

Variable capacitors may be useful, but the air gap that provides their capacitance is their greatest weakness. Rather than deal with the poor dielectric properties of air, some high-end variable ...

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

Farad (F) is the unit of capacitance which was named after the British physicist Michael Faraday. This is a measure of a capacitor’s ability to store charge where large capacitance means more charge ...

This file type includes high resolution graphics and schematics. Transistors and ICs are considered active components because they change signals using energy from the power supply. Capacitors, ...