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Film Capacitors

Film capacitors, also known as plastic film capacitors, plastic film dielectric capacitors, film dielectric capacitors, film capacitors, or polyester capacitors, are capacitors whose dielectric consists of thin plastic film. These capacitors, with their cost-effective price, high capacitance per volume, low equation of state coefficient, high insulation resistance, and correspondingly wide voltage and temperature range, enjoy a wide range of applications.

CB028B0683JBA

CB028B0683JBA is a modified polyester capacitor, a variant of the plastic film capacitor. It is characterized by its exceptionally low equivalent series resistance, reliable performance, and long life, as well as its low dissipation factor. Additionally, it features high ripple current and high stability, as well as moderate dielectric absorption.

Application Field

CB028B0683JBA is particularly well-suited to applications such as snubber use, lighting, filtering, as well switching power supply and many more. Lamp load and lightning protection circuits, which require devices with exceptionally low leakage current, are two typical applications. In addition, this device may be used as a coupling, decoupling, and blocking capacitor. Switching power supplies, uninterruptible power supplies (UPS), and especially three-phase input output AC circuits or power converters benefit from the ultra-low ESR of CB028C0683JBA.

Working Principle

A plastic film capacitor exploits the physical properties of the insulating material to separate two charged conductor plates. The dielectric material under the influence of static electrical field gets polarized and establishes an electrical field between the two plates. By adding more conductor plates between the two charged conductors, the capacitance value of the polymer capacitor increases at an extremely low temperature and at a very low rate.

As a non-polar device, CB028B0683JBA leverages two properties: the low dissipation factor and the high stability of the capacitor. The low dissipation factor of CB028B0683JBA makes it suitable for circuits with high frequency and low power conversion rates. The polyester capacitors have high stability and insulation capabilities, making them an excellent choice for circuits with high voltage requirements.

In short, CB028B0683JBA provides an extremely cost-effective solution without sacrificing performance or reliability, making it an ideal capacitor for a wide variety of applications.

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