35MU473MZ22012 Capacitors

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Film Capacitors

The 35MU473MZ22012 is a type of film capacitor, which is used for the purpose of providing a high level of insulation and high dielectric strength in capacitors. The 35MU series capacitors, covered by the UL1414, are designed for use in voltage-dividing networks and in other circuits where capacitance stability, low dielectric absorption, and high electrical breakdown strength is required. Film capacitors can be used in frequency-dependent signal processing as well as in energy storage, voltage correction, and signal coupling applications.

What is a Film Capacitor?

A film capacitor is an electronic component that consists of a dielectric core material between two conductive plates or electrodes. The dielectric material is usually either paper or plastic, but in the case of the 35MU473MZ22012, it is an insulating plastic film. This provides a higher dielectric strength than a paper capacitor and makes the 35MU series suitable for use in high voltage applications of up to 1,500 AC/DC volts.

Application Fields

The 35MU473MZ22012 has a wide range of uses in both commercial and industrial products, such as dimmers, electric power monitoring systems, power supply units, motor control applications, lighting fixture controls, and communications systems. They are also used in audio, video, and signal processing. Film capacitors are also used in some applications where they are used to store energy or to smooth out irregular AC power supply signals.

Working Principle of Film Capacitors

The operating principle of film capacitors relies on the ability of the dielectric material to hold a charge – the capacitance. As voltage or electrical current is applied to the two plates, this charge accumulates, storing energy. This energy can then be discharged in the form of an electrical current when it is needed. The main advantage of the film capacitor is that it is able to maintain its capacitance even when the voltage is changed, which allows for a higher level of performance than standard paper capacitors.

Advantages and Disadvantages of Film Capacitors

One of the main advantages of film capacitors is their high dielectric strength and low dielectric absorption. This makes them well-suited to applications such as motor control and power monitoring, where swift changes in load require a reliable capacitance. However, film capacitors also suffer from higher self-inductance than paper capacitors, which can lead to increased EMI and increased operating temperature. Additionally, film capacitors tend to be more expensive than paper capacitors.

Conclusion

The 35MU473MZ22012 is an example of a film capacitor, which is used to provide a high level of insulation and dielectric strength. These types of capacitors are well-suited to applications such as motor control and power monitoring, and are particularly useful in applications where swift changes in load require a reliable capacitance. While film capacitors tend to be more expensive than paper capacitors, they offer the advantages of higher dielectric strength and lower dielectric absorption.

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