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Film Capacitors

A film capacitor, also known as a polyester capacitor, mica capacitor, or plastic-film capacitor, is a type of capacitor that uses a thin plastic film as the dielectric, with metal electrodes applied to both sides of the film. Unlike traditional electrolytic capacitors, film capacitors are non-polarized, which means they are not limited to a specific orientation. The BN104E0105J film capacitor is a great example of this technology, as it provides a compact and dependable electronic component.

Application Field and Working Principle

Film capacitors can be found in many electronic devices. They have many capabilities, from power supply filtering to decoupling and basic frequency filtering, as well as other specialized capabilities. One of the advantages of film capacitors is their ability to operate in high temperatures and hostile environments, making them a great choice for emerging markets and power supplies. Additionally, they feature a low equivalent series resistance (ESR).

The BN104E0105J film capacitor is an example of such a capacitor and is typically used for voltage deratings of up to 305 VAC. It features a bipolar aluminum film dielectric, making it highly reliable and very durable. The device also offers high current handling capability and low ESR. Additionally, it is also capable of withstanding high temperatures and is a great choice for automotive applications and other related industries.

The working principle of BN104E0105Jis simple yet effective. The device consists of two pieces, a metal layer and a film layer. The film layer has an electrical charge, whereas the metal layer is uncharged. When a charge is applied to the metal layer, an electric field is generated across the dielectric, which stores the charge. This allows the capacitor to store energy and release it when needed.

Overall, the BN104E0105J is a great option for many applications. It is ideal for filtering, voltage deratings, decoupling, and other applications. Additionally, it features a high-performance design and is built to last. As such, it is a great choice for many different industries and applications.

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