BFC2373FE154MD

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Film capacitors, also known as plastic film capacitors, are widely used in electronic circuits and components due to their low cost, small size, light weight, excellent temperature stability and long lifetime. BFC2373FE154MD is a film capacitor. This section will discuss the application field and working principle of BFC2373FE154MD.

Application Field

BFC2373FE154MD is suitable for high-frequency AC power conversion and DC smoothing in general electronic equipment. Its use range includes:

• Switch power supply, inverter, DC/AC conversion, power filtering and smoothing
• Electronic lighting, LED lighting, high-frequency ballast
• Smart meter, transformer, motor drive, relay, starter
• AV equipment, video sound card, LED lighting, fiber laser
• Communication products, servers, routers, etc.

Working Principle

BFC2373FE154MD film capacitor is composed of a dielectric base film, a metal foil and an end seal. Due to the application of metallized technology, a metal layer is evenly deposited inside the film, and the metal nodes are formed on the two surfaces, which then form capacitor element. The capacitor element is bonded to the terminal via an electrically conductive element. Under the action of the applied voltage, an electrostatic field will be generated in the capacitor element, and electrons will be attracted to the surface of the capacitor element to form an electrical charge.

The capacitor has two electrodes on the outside, one is the power input and the other is the signal output. When a voltage is applied between the two electrodes of the capacitor, the upper and lower electrodes will be charged with positive and negative charges respectively. The dielectric material between them will produce a dielectric barrier, which isolates the positive and negative charges.

The attenuation of the signal due to the charge stored in the capacitor is called capacitive reactance. When the inductor current flows through the capacitor, the capacitor can act as a filter to pass low or high frequency signals. Thus, BFC2373FE154MD film capacitor can be used for high-frequency AC power conversion, DC smoothing, filtering, and other applications.

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