F339MX231031JDI2B0

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Film Capacitors

Film capacitors, also known as film dielectric capacitors, derive their name from the material they use as the dielectric medium—plastic film. The construction of a film capacitor is typically made of a plastic film as the dielectric, along with metalized layers deposited on either side of the dielectric film. This type of capacitor has several advantages over other forms of capacitors, such as film and foil capacitors. These include relatively low losses, high dielectric strength, high insulation resistance, high temperature range and excellent self-healing properties.

F339MX231031JDI2B0 film capacitor is a kind of non-polar film capacitor with a rated voltage of 250VDC. It is suitable for use in AC applications, including motor run, power factor correction, signal filtering and many other uses. It features a robust construction with the terminal/center electrode being the film, which ensures excellent reliability even in high frequency applications.

Application field

F339MX231031JDI2B0 film capacitor can be used in many applications. It is widely used in motor-run, DC filter, communication, DC power supply, switching power supply, lightning protection and DC/AC, etc. It is suitable for use in applications where very high capacitance value, low noise, high voltage and high frequency are required, including automotive, energy, medical, industrial and aerospace.

Working principle

F339MX231031JDI2B0 film capacitor is a non-polar capacitor meaning that there is no "-" or "+" lead on the capacitor, and the two leads are electrically identical. The device will store electrical energy when there is a voltage difference between the two plates. The electrical field generated between the metalized layers on either side of the dielectric film will create an electric charge and store it until the current decreases to the point where the capacitance effect is no longer observed.

The capacitance value of the capacitor is determined by the size of the plates, the distance between them and the dielectric constant of the film. The voltage rating is determined by the dielectric breakdown strength of the dielectric material. When dealing with a high voltage application, selecting the right dielectric material is essential as this determines the safety of the device and the reliability in various conditions.

F339MX231031JDI2B0 film capacitor features a robust construction with the terminal/center electrode being the film, which ensures excellent reliability even in high frequency applications. It offers excellent insulation properties that can withstand up to 6kV withstanding voltage between the terminals. The overall vibration and shock resistance of the capacitor are very good.

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