QXK2G684KTP7ZHFT

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Film Capacitors

When it comes to efficient and reliable capacitance, film capacitors are often unmatched solutions. They offer an ideal combination of features such as robustness, low cost, consistency and frequency response. They are used in a wide range of applications from industrial uses in motor drives and power control to automotive and audio designs. The QXK2G684KTP7ZHFT film capacitor is particularly well-suited for applications requiring high-precision AC and DC blocking.

Application Field

The QXK2G684KTP7ZHFT film capacitor can be used in a multitude of demanding applications, including high off-state resistance and low ESR - both necessary for controlling power in audio frequency and radio frequency applications. When used for audio frequency applications, the QXK2G684KTP7ZHFT is ideal for both signal filtering and blocking, while its RF performance ensures excellent noise suppression, especially at broadband frequencies. It is also well-suited for high-frequency switching applications and can provide the necessary stability while maintaining high power parameters.

The QXK2G684KTP7ZHFT is also a great option for automotive and power systems applications. It provides very low ESR, and excellent ripple current handling capabilities, which helps to reduce overall system costs. It also offers good overcurrent and overvoltage protection, making it an ideal choice for demanding applications.

Working Principle

The QXK2G684KTP7ZHFT film capacitor works on the principle of dielectric capacitive coupling. When a voltage is applied to the capacitor’s electrodes, it creates an electric field between them, which then causes a charge to be stored on the outer surfaces of the two electrodes. This stored charge creates an electrostatic field between the two electrodes and the ceramic material (or dielectric) forms the dielectric barrier between them. The dielectric material has a permittivity value (also called the dielectric constant) which determines the capacitance of the device. The higher the dielectric constant value, the greater the capacitance is at any given voltage.

The film capacitor employs a thin film of dielectric material to form a capacitor. The capacitance value can be adjusted by adjusting the thickness of the dielectric, which creates an adjustable-height capacitance. The most common type of film capacitor is the metallized film capacitor. This type uses a thin metal layer to provide a high conductivity path between the electrodes, thereby providing very high capacitance.

Film capacitors have a very low DF (dissipation factor) which is the ratio between the power dissipated in a capacitor due to dielectric heating and the power supplied to the capacitor. This means that the energy stored in film capacitors is very efficiently stored and is readily available for use when needed.

The QXK2G684KTP7ZHFT is a low-cost, low-ESR, high-frequency, high-precision film capacitor with excellent electrical characteristics. With its robust design and precision, it is an excellent choice for a wide range of applications.

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