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Film Capacitors

Film capacitors, or plastic film capacitors, refer to capacitors with a thin plastic film, which is wound up with metal electrodes shaping a very small spacing between two electrodes, generally used to store an electrical charge for a temporary period of time. Their applications range from energy filtering, to tuning and bypassing, to signal processing. And in recent years, they have been widely used in harmonic filtration, motor runing, and various other applications.

The particular model of film capacitor - the MKT1822333636 - is an aluminum electrolytic capacitor with a polyester film dielectric and is rated for 0.1 to 35 microfarads at 25 volts. It\'s thin-film construction uses a layer of metal foil, instead of just an etched or printed design on a single sheet of metal, which makes for a very stable electrical component. This gives it a much longer life span than other similar component capacitors. Manufactured in a low-leakage form, it has high insulation resistance and excellent dielectric performance.

Application Field

The MKT1822333636 is mainly used in various electrical equipment, including in converters, switches, filters, high frequency inverters, motor drives, circuit boards, frequency dividers, DC/DC converters, and power supplies. Its rated temperature range is from -25°C to 70°C. Due to its long lifespan, highly stable electrical components, and thin-film construction, the MKT1822333636 is ideal for high-efficiency designs, and is perfect for those who are looking to save money with energy-efficient designs.

The MKT1822333636 is also a great choice for noise reduction. It is specifically designed to reduce noise in high frequency applications such as TVs, computers, and other home appliances. By filtering out unwanted noise, the MKT1822333636 delivers reliable sound. In addition, its low-leakage feature provides excellent protection against electrical interference or noise due to voltage fluctuations.

Working Principle

The MKT1822333636 uses a thin layer of polyester film as its dielectric material, and two metal electrodes - one aluminum and one tin foil. This space between the electrodes is known as the “dielectric gap.” This configuration has an electrical property known as an electric field. When an electrical current, or voltage, is applied across the two electrodes, the electric field across the gap between the electrodes increases.

This electric field creates an electrical energy flow. This flow is amplified by the thin layer of polyester film, which acts as an insulator, when an additional voltage is applied. As a result, the MKT1822333636 capacitors can store large amounts of charge for a specific time period. This principle is key to the design of nearly all modern film capacitors.

Conclusion

The MKT1822333636 is an excellent choice for a wide variety of applications, thanks to its long lifespan, high insulation resistance, and stable electrical components. As a low-leakage capacitor, it is also great for applications where noise reduction is important. With its excellent dielectric performance and thin-film construction, the MKT1822333636 is sure to last for a long time.

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