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Introduction to Film Capacitors

Film capacitors are a type of capacitor that has a dielectric layer made out of film, which gives it some unique properties compared to other capacitor technologies. Film capacitors are characterized by their high reliability, low cost, long life, and excellent dielectric strength. Because of these advantages, film capacitors are commonly used in a variety of applications ranging from industrial to consumer electronics.

What is BQ014D0472K Film Capacitor?

The BQ014D0472K film capacitor is a miniature, low-cost, polypropylene film capacitor. It is designed for use in various electronic circuits, such as AC power supplies, leakage resistors, noise reduction circuits, and many other applications. This capacitor has a maximum rated voltage of 250 VAC and a rated temperature of up to 85°C.

Application Field of BQ014D0472K Film Capacitor

• AC power supplies: The BQ014D0472K is a great choice for AC power supplies due to its high reliability and long life.
• Leakage resistors: Leakage resistors are used in consumer electronic applications where a high level of control is required for the circuit. The BQ014D0472K is well suited for these kinds of applications due to its low cost and high dielectric strength.
• Noise reduction circuits: Noise reduction circuits are used to reduce the unwanted noise generated by electronic devices. The BQ014D0472K is ideal for these kinds of applications, since it has a low-loss dielectric that helps reduce the noise.
• Other applications: This film capacitor is also used in other applications such as motor control, switch-mode power supplies, and other general-purpose electronics.

Work Principle of BQ014D0472K Film Capacitor

The BQ014D0472K film capacitor is composed of two or more metal plates separated by a thin plastic film. Each metal plate is coated with an electrically charged material. When a voltage is applied to the plates, the electric charge on the plates creates an electric field between them which stores energy in the form of a static charge.

The electric field also creates a “dielectric” layer between the plates which helps to increase the capacitance of the capacitor. This layer helps to reduce the rate at which the charge leaks and thus increases the capacitor’s lifespan. Also, the dielectric layer helps to reduce losses and thus helps to maintain a high level of efficiency.

The BQ014D0472K film capacitor also features a temperature-sensitive dielectric layer. This dielectric layer has a higher resistance to heat, which helps to decrease the rate of charge leakage when the surrounding temperature rises. This helps to improve the capacitor’s reliability and lifespan.

Conclusion

The BQ014D0472K film capacitor is a miniature, low-cost, polypropylene film capacitor. It is designed for use in various electronic circuits, such as AC power supplies, leakage resistors, noise reduction circuits, and many other applications. This capacitor has a maximum rated voltage of 250 VAC and a rated temperature of up to 85°C. Its dielectric layer has a higher resistance to heat, which helps to decrease the rate of charge leakage, resulting in improved reliability and longer lifespan.

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