PME271ED6220KR30

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Film Capacitors

Film Capacitors, also known as plastic film capacitors (or PET film capacitors) are polarized capacitors primarily made of a film of plastic, usually polyester or polypropylene. These capacitors are typically used for high-value decoupling or AC blocking applications where their inherent features provide major advantages over other types of capacitors.

PME271ED6220KR30 is a film capacitor with low ESL, high ripple current and small size. It offers a variety of temperature ranges and a wide operating temperature range for cost-sensitive applications.

Application Field

PME271ED6220KR30 has a high ripple current, low ESL and a small size, making it perfect for high frequency applications. It can be used in automotive electronics, LED lighting, switching power supplies, servers, telecom, computers and process control systems. It is also suitable for decoupling and filtering power supplies, now being commonly used in EMI/RFI filtering, signal rectification and pulse modulation applications.

Working Principle

Film capacitors work similarly to other capacitors, in that they store electrical energy in an electric field created between two conductive plates, referred to as the electrodes. Both types are made up of two metal plates separated by a dielectric material. However, the dielectric in film capacitors is a thin plastic film, while ceramic and electrolytic capacitors use ceramic of viscous liquids. The electric field between the electrodes is created by voltage applied to the outer-most plates.

The benefit of using a film capacitor is that it can withstand higher temperatures and vibrations. Depending on the materials used and type of film capacitor, it may offer a higher dielectric strength and lower leakage current even compared to other types of similar capacitors.

Most of the film capacitors are dipped, sprayed and sealed into plastic/ epoxy/ aluminum cans, or as “flat” structures in polyester or polypropylene dielectrics. Its construction keeps components from physical and environmental hazards.

Conclusion

PME271ED6220KR30 is a reliable and cost-effective film capacitor for cost-sensitive applications. It’s a reliable choice for applications with high-frequency ripple current, low ESL and small size requirements. It has a wide operating temperature range and is suitable for decoupling and filtering power supplies, EMI/RFI filtering, signal rectification, and pulse modulation applications. It’s sealed in polyester or polypropylene dielectrics and offers superior protection against physical and environmental hazards.

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