947D821K901CGRSN

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Introduction

Film capacitors, also known as metalized film capacitors, are polar capacitor devices consisting of a thin plastic film, typically polyester (PET), as the dielectric material and two or more metal electrodes with an etched surface. Their main characteristics are high stability, high volume resistivity and very low dissipation factor, making them indispensable components in electronics of all kinds. Among these is 947D821K901CGRSN film capacitor, a reliable choice for both the consumer and the industrial market.

Application Field

The 947D821K901CGRSN film capacitor is suitable for applications in all kinds of electronic circuits. It is mainly used as a filtering element in both low- and high-power circuits. It is widely used in power electronic systems as well as in active filter circuits.

The 947D821K901CGRSN film capacitor is also suitable for use in telecommunications systems, where they are employed for stabilizing power, providing coupling, or buffering voltage between signals. The capacitor\'s high stability and low losses allow for clean and reliable connections between different electronic circuits.

The 947D821K901CGRSN film capacitor is also an ideal choice for automotive applications such as alternators and regulators, where the capacitor is used to reduce the ripple voltage. Its highly stable and reliable characteristics make it an ideal choice for a reliable power source.

Working Principle

The 947D821K901CGRSN film capacitor uses thin plastic layers as the dielectric material, which replaces traditionally used paper layers in conventional capacitors. As two metal electrodes are etched on the plastic layers, the device functions like a normal electrical capacitor. The current flows from one electrode to the other, thus creating a voltage difference between them. The thin plastic layers act as an insulator, allowing only the desired current to flow through.

The 947D821K901CGRSN film capacitor is designed to have a high self-healing capability, which enables it to maintain its high stability even in the event of an electrical overload. This self-healing capability is achieved due to the presence of small air pockets between the metal electrodes and the thin plastic layers. When the current increases beyond the rated value, the electric field generated between the electrodes causes the thin plastic layers to split, creating a path for the excess current to dissipate.

Conclusion

The 947D821K901CGRSN film capacitor is a popular choice among both the consumer and industrial markets for its excellent characteristics and performance. Its extensive application field and self-healing capability make it an ideal choice for a variety of applications. Its wide range of operating voltages and low losses make it suitable for a wide variety of applications.

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