How do Polypropylene and Polyester compare as capacitor dielectric?
Polypropylene (PP) and Polyester (polyester terephthalate, or PET) are established as the most widely used plastic films for…
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How can Ultracapacitors Deliver high energy and power?
Ultracapacitor, or Electrochemical capacitors (EC) do not have separate distinguishable dielectric as in electrostatic or electrolytic capacitors. Electrode…
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Differences between Bypass and Decoupling capacitors
Bypass and decoupling capacitors are terms often used in electronic circuits. These capacitors are used extensively in most…
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Differences between capacitor, ultracapacitor and battery
Capacitor and Ultracapacitor Conventional capacitors are devices having two (or two sets) of electrodes separated by a dielectric…
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Stray Resistance, Stray Inductance and Stray Capacitance
Stray impedance There is no perfect or ideal component in the world. Any wire or conductor forming an…
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What is the function of Coupling Capacitors?
A coupling capacitor is used to connect AC input of one stage to successive stage, while DC voltage…
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What are X Y Capacitors?
Radio Frequency Interference (RFI) and Electromagnetic Interference (EMI), emanating from electronic devices, switching circuits, chopping circuit devices using…
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How is Metallized Film Capacitor Winding Done?
Capacitor winding made using metallized plastic film needs great care and precautions in manufacturing. Metallized film thickness can…
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Why is reactive component of impedance termed Imaginary?
This question is often in the minds of learners – as to why the reactance or ‘imaginary resistance”…
