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Several advantages of polyester film capacitors

Views:0     Author:Site Editor     Publish Time: 2019-08-24      Origin:Site

Polyester film capacitors are organic film capacitors, also known as polyester capacitors. It is made of metal foil or metal film as electrode, polyterephthalic acid (polyester) film as medium, winding and forming and sealing into plastic shell. Some capacitors enclose the wound core with a colored epoxy resin. A capacitor fabricated using a metal film electrode is referred to as a metallized polyester film capacitor.


Polyester film capacitors have excellent mechanical, electrical and optical properties, and are therefore used in a wide range of applications, such as photographic film, tape, video tape, microfilm, packaging film and capacitors. Such a capacitor uses a metallized polyester film, a non-inductive winding structure, and has a wide capacity range, small volume, and light weight. Therefore, the installation is also relatively convenient, not only that, the polyester film capacitor has good self-healing properties and long service life. At the same time, polyester film capacitors are also encapsulated with a flame retardant epoxy powder.


From a professional point of view, such capacitors are the most suitable choice for applications where stability is critical due to their high stability. For example, on electronic instruments or meters and radios, it can be used as a coupling or a bypass. For the polyester film capacitor, not only the above advantages but also strong heat resistance and moisture resistance are obtained. At the same time, it also has a certain pressure resistance.



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