BFC237364823

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Film Capacitors

A Film capacitors is an electrolytic capacitor with a thin plastic film as its dielectric material, which is wound by two metal plates made of aluminum or tantalum. The product code BFC237364823 is a film capacitor with a capacitance of 0.0047μF and a voltage rating of 250VAC, and is suitable for a wide variety of applications.

Application Field: Film capacitors, with their small size, low cost, good electrical and thermal properties, and good stability, are widely used in various electronic products, such as lighting, consumer electronics, industrial automation, automotive, etc. In lighting applications, film capacitors are used in AC and DC power circuits, in order to suppress heavy transient overvoltages caused by switching of the lights, and thus extend the lifetime of the light bulb. In consumer electronics, film capacitors are used in the power supply systems for a variety of types of equipment, to obtain clean power for the circuitry and protect it from disruption. In industrial automation, film capacitors are widely used in brushless DC motor drivers, and solenoid and valve control systems to ensure the accuracy of the control signals. In automotive, film capacitors are used for ignition, heater, cooling systems and window lifts etc.

Working Principle: A film capacitor is composed of two metal electrodes and a dielectric film made of plastic material. When a voltage is applied across the capacitor, a static electric field is formed, which stores electrical energy as the charge accumulates on the capacitor plates. The amount of charge stored is proportional to the applied voltage and the capacitance of the film capacitor. As the frequency of the applied voltage increases or decreases, the capacitance also changes, i.e., it is frequency dependent. The dielectric film acts as a barrier that prevents the charge from leaking or discharging from the capacitor, thus allowing the stored charge to be retained for a longer period of time.

In comparison to other types of capacitors, film capacitors have several advantages. They are relatively small in size, making them ideal for use in areas where space is limited. They have a low cost and their electrical characteristics remain stable over a wide temperature range, making them ideal for many applications in a variety of environmental conditions. Finally, they have good self-healing properties, meaning that even if the film is damaged, the capacitor will still be functional without any loss of performance.

Overall, film capacitors are a widely used type of capacitor due to their low cost, small size, good electrical and thermal properties, and good stability. The BFC237364823 is a film capacitor with a capacitance of 0.0047μF and a voltage rating of 250VAC, and can be used in a variety of applications, such as lighting, consumer electronics, industrial automation and automotive.

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