BFC237964473

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Film capacitors, or film dielectric capacitors, are electronic components with extremely thin plastic film as a dielectric material. Capacitors are used to store electrical energy in electric and electronic devices. Among the many types of capacitors, film capacitors are the most widely used. A typical Cross reference of the BFC237964473 is a 20uF/250V DC film capacitor.

BFC237964473 - Film Capacitors applications include input (AC) line filtering in LED drivers, automotive lighting, HVAC and medical, as well as output filter in industrial equipment and AC inverters. Film products are also often used as inter-stage capacitors for power quality applications. The application fields include power supply, UPS, communication power supply, medical equipment and automotive industry.

Film capacitors are constructed with dielectric film electrodes. The dielectric material is plastic film, usually polyester or polypropylene. Plastic film reduces the dielectric losses compared to other materials, making it a popular choice for a variety of capacitance needs. The electrodes are typically made of aluminum or copper which are capacitiedly combined to make a single capacitor.

The BFC237964473 - Film Capacitors working principle is the same as that of other DC film capacitors. The capacitor consists of a positive and negative electrode having a charge and resultant field between them, the film serves as a dielectric in which electric fields will be generated. When a DC voltage is applied, an electric field is produced which is parallel to the electrode planes and the edges of the dielectric film. This electric field stores charges and energy, storing the electric current in the form of an electrical field.

The BFC237964473 - Film Capacitors are designed to provide quality sound due to their low ESR (equivalent series resistance) values. In the audio field, low ESR is important in order to reduce "hissing" or "buzzing" which may appear in the speakers. This type of capacitor also has a fast response time for transient signals, which is important in audio applications.

The BFC237964473 - Film Capacitors have advantages over other types of capacitors. For one, they have an extremely long life-cycle. Furthermore, film capacitors have extremely low dielectric losses and very high insulation resistance, making them ideal for applications where leakage currents need to be kept low. Additionally, they have a low ESL (equivalent series inductance). This makes them well-suited for high-frequency applications. They also offer excellent temperature and frequency stability.

In short, the BFC237964473 - Film Capacitors are a great capacitor choice for a wide variety of applications. As they are low-loss, highly reliable, and have a low cost, these capacitors have become popular in a wide range of electronic devices. They are capable of providing high-quality audio, fast response times, low equivalent series resistance, and excellent temperature and frequency stability. They are highly recommended for their long life-cycle and low noise levels.

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