BFC247945114

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Film Capacitors

Film capacitors (or plastic film capacitors) refer to capacitors that employ plastic films as the dielectric. It has an extremely low loss at high frequencies and is quite stable with variations in voltage, temperature, and time. The property that sets film capacitors apart from other capacitor types is its low and extremely reliable insulation resistance that is insensitive even to chemical influences.

BFC247945114 Application Field

BFC247945114 is an ideal capacitor for applications with high reliability and excellent long-term stability, such as AC power conversion and DC/DC converters in PV and UPS applications. Besides, this film capacitor is also applicable in noise filters, snubbers, and pulse power circuits. It is recommended for equipment subject to severe environmental conditions, such as humidity, high temperature, shock and vibration.

BFC247945114 Working Principle

The BFC247945114 film-type capacitor is constructed with two electrodes with an insulating film between them. The electric charge accumulates on the electrodes, which generates the electric signal. This signal passes through the insulating film, which stores electric energy and holds the charge. The insulation provides protection against short circuits, damage, and other factors, while ensuring that no leakage occurs.

The BFC247945114 works on the principle of dielectric polarization. When an electric field is applied, the dipoles in the film align in an orderly manner. This alignment produces a finite dielectric response. As the charge on the electrodes increases, the field strength also increases, resulting in a higher dielectric response.

The capacitor is encapsulated in a moisture-resistant coating that blocks the transmission of moisture in air. It also prevents the leakage of the stored charge and helps to protect the capacitor from the effects of high temperatures and strong shocks.

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