947C321K122CDI

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Film Capacitors

Film capacitors are electrical components based on thin film technology used to store and/or release electric energy. The major application fields for film capacitors are power factor correction, energy storage, EMI filtering, motor starting, noise suppression, HF-blocking, RF bypassing, and various other applications in power electronics. The most commonly used film capacitors are manufactured using a vacuum deposition process, in which multiple layers of metallic and dielectric films are combined in a vacuum.

947C321K122CDI Application Field and Working Principle

The 947C321K122CDI film capacitor is an X7R type ceramic capacitor designed for use in high temperature and high frequency applications. It offers excellent performance in a range of applications, including DC/DC converters, high-power outputs, RF bypassing, high-efficiency motor starting, and energy storage. This capacitor features a dielectric constant of 7 (X7R), a capacitor voltage rating of 315VAC, and a maximum temperature range of -55°C to +125°C.

The working principle of the 947C321K122CDI film capacitor is based on the dielectric electrostatics. It consists of two electrodes, with the dielectric in between. When a voltage is applied between the electrodes, an electric field is created across the dielectric, and charge separation takes place. This creates an electric field, which is then stored in the film capacitor. As the voltage applied across the capacitor increases, the electric field created across the dielectric increases, eventually reaching its maximum capacity. The electric field then dissipates, allowing the film capacitor to discharge. This process is known as capacitance.

The 947C321K122CDI film capacitor is designed for high-temperature and high-frequency applications due to its low maximum operating temperature and minimum insulation resistance. Additionally, its high capacitance makes it a great choice for energy storage and RF bypassing applications. Its X7R type ceramic capacitor has a voltage rating of 315VAC, making it suitable for use in high-power outputs and DC/DC converters. Additionally, its maximum temperature range of -55°C to +125°C ensures that the capacitor can be used in extreme conditions without compromising performance.

In summary, the 947C321K122CDI film capacitor is an X7R type ceramic capacitor designed for use in high temperature and high frequency applications. Its low maximum operating temperature and minimum insulation resistance make it suitable for use in high-power outputs, DC/DC converters, energy storage, and RF bypassing applications. It is also a great choice for high-efficiency motor starting and EMI filtering. Its high capacitance and voltage rating of 315VAC make it an excellent choice for a wide range of applications.

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