MKT1813368255

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Film Capacitors

Film capacitors are a type of capacitors featuring a dielectric layer made of a plastic film such as polyester or polypropylene. The MKT1813368255 is a special type of film capacitor, utilizing a metalized thin film that provides low losses and excellent high frequency characteristics for the capacitor. This makes them well-suited for use in AC applications and for use in sensitive electronics that require minimum high frequency losses.

Application Field

Due to their construction, film capacitors are highly durable and reliable, and are therefore perfect for use in high frequency applications, such as filtering, signal coupling, signal bypassing, and DC blocking. Their self-healing properties also make them suitable for use in high voltage applications, such as lighting, power supply filtering, and high voltage filtering.Their low dielectric absorption also makes them suitable for use in analog and RF circuits, such as radiotelegraphy and radio communication.

Working Principle

The working principle of film capacitors is based on the traditional capacitor principle. Basically, two conductors, called electrodes, are placed on either side of a dielectric material, which is a layer of nonconductive material. When a voltage is applied across the electrodes, it creates an electrostatic field across the dielectric material, which stores energy. This stored energy forms the basis of the film capacitor\'s electrical properties.

The dielectric material in film capacitors can vary, depending on the type of film capacitor. Generally, polyester, polypropylene and vinyl are the most commonly used polymers used as the dielectric material. Depending on the type of polymer used, film capacitors have different electrical properties, such as different capacitance values and voltage ratings.

The MKT1813368255 film capacitor has a metalized thin film as the dielectric material, which provides low losses and excellent high frequency characteristics. This makes them well-suited for use in AC applications and for use in sensitive electronics that require minimum high frequency losses.

In addition to low losses, film capacitors also offer excellent temperature stability and vibration resistance. This makes them ideal for use in high temperature and harsh environments, such as in automotive applications and industrial applications.

Advantages and Disadvantages

The main advantages of film capacitors are their ability to handle high-frequency signals with low losses, their superior temperature stability and vibration resistance, and their self-healing properties. They also offer a wide range of capacitance values and voltage ratings. However, film capacitors have some drawbacks, such as their higher cost compared to other types of capacitors and their higher leakage currents, which can reduce the capacitance value of the device under certain conditions.

In conclusion, MKT1813368255 film capacitors are a special type of film capacitor, offering low losses, excellent high frequency characteristics, and excellent temperature stability. They are suitable for use in high frequency and high temperature applications, such as in automotive and industrial electronics.

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