BFC233910105

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BFC233910105 Film Capacitors Application Field and Working Principle

The BFC233910105 film capacitors are widely used in a variety of industries such as automotive, consumer electronics, aerospace, audio, and power metering. The product features an enclosure-type construction, which is mainly made of plastic and copper-coated steel, and it is designed to deal with the higher ambient temperatures and mechanical loads. The product appears as a compact, reliable capacitors with low core-loss at high rates of current and frequency.

The main application fields of film capacitors can be classified as follows:

• Motor Drives.
• Energy Storage.
• Industrial Inverters.
• High Voltage Systems.
• High Speed DC Voltage Lines.
• High Speed AC Voltage Lines.
• Battery Chargers.
• Military Applications.

The working principle of film capacitors is mainly based on the dielectric properties of insulation film. In general, an electrically conductive polyester film is coated with a layer of metal oxide or other dielectric material, which is usually in the form of metal particles. This layer of dielectric material provides the capacitor with the required capacity and breakdown voltage.

The voltage applied to the capacitor will react with the internal resistance of the dielectric, thus creating an electric field that generates a current distribution in the capacitor, resulting in an output voltage that is lower than the applied voltage. The main advantage of film capacitors is its low dielectric absorption, meaning that their potential to store energy is very high, while their size remains relatively small.

In addition, film capacitors generally have a good tolerance in resistance and are immune to electrolyte corrosion. Due to its low leakage current and high self-healing effect, it has high dielectric loss and negligible stray inductance. As a result, film capacitors have become increasingly popular for applications requiring higher energy related to power electronics.

Finally, due to their low ESR (Equivalent Series Resistance) and high surge current capability, film capacitors are widely used in applications such as motor drives, energy storage, industrial inverters, and others. They can be used as protection devices against overvoltage, burst inductor current, and surge current.

In conclusion, the BFC233910105 film capacitors have many beneficial applications in the field of energy storage, motor drives, inverters, and other industrial applications. Their high capacity and low internal resistance make them suitable for a wide range of applications. Finally, due to their good tolerance in resistance, low dielectric losses and negligible stray inductance, they are among the most reliable capacitors available.

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