947D641K102CGRSN

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Film capacitors, also known as plastic film capacitors, are one of the most commonly used varieties of capacitors. They are non-polarized capacitors that make use of plasticized film as a dielectric and ceramic or aluminum as the electrodes. They are used in circuits where the removal of heat, vibration, and electrical noise are important. One such example is the 947D641K102CGRSN.

The 947D641K102CGRSN is an example of a film capacitor and is produced by the company Cosel. It is a surface-mount aluminum electrolytic capacitor with very low impedance, dielectric absorption, and a long life. It has a capacitance of 1uF, a voltage rating of 350V, and a tolerance of +-20%. It is a through-hole type capacitor with an operating temperature range of -55°C to +105°C. It is also compatible with reflow soldering and wave soldering processes. Its maximum ripple current is rated at 2.3A and its maximum ESR is rated at 0.055Ω. All in all, it provides excellent performance in high frequency filtering applications.

The working principle of a typical film capacitor is relatively simple. When two conductive plates are separated by an insulator, a capacitor is formed. This insulated material or dielectric is usually a plastic film like polypropylene or PET. This film is the main component that provides a high dielectric constant and a capacitance rating. With its plates and dielectric, a film capacitor can store charge that can be subsequently discharged. This stored energy can then be released as current in response to an applied voltage.

Film capacitors, like the 947D641K102CGRSN, can have a wide range of applications. They are commonly used in power supplies, as they can filter out electromagnetic interference as well as reduce ripple currents. They are also used in high frequency circuits where they can be used as oscillator elements, as they are able to produce high frequency sine waves. They are also used in audio applications, as they are able to reduce unwanted noise caused by components or other sources.

Film capacitors offer a variety of advantages over other capacitor types. For instance, they are non-polarized, meaning that unlike electrolytic capacitors, they do not have a polarity that needs to be taken into account. They also tend to have a low equivalent series resistance, meaning that they can handle a lot of power. Additionally, film capacitors are usually relatively small and cost effective, making them ideal for projects with tight space requirements.

In conclusion, the 947D641K102CGRSN is a film capacitor produced by the company Cosel. It is a surface-mount aluminum electrolytic capacitor designed for use in high frequency filtering applications. Its capacitance is rated at 1uF, its voltage rating is 350V, and its tolerance is +-20%. It has a maximum ripple current of 2.3A and a maximum ESR of 0.055Ω. This makes it ideal for use in power supplies, high frequency circuits, and audio applications. Film capacitors offer the advantages of being non-polarized, having a low equivalent series resistance, being relatively small in size, and being cost effective.

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