BFC237546751

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Film Capacitors

Film capacitors, commonly referred to as film dielectric capacitors, are energy storage components composed of a dielectric layer, a conducting metal electrode film, an insulation protective layer and an external lead frame. The dielectric layer used in film capacitors is typically a polypropylene film, though there are also types of capacitors using polyester films and polyethylene films for higher voltage applications.

Generally speaking, film capacitors are components with small size and large capacitance, which are widely used in AC, DC, and impulse voltage electronic power circuits, and can filter and stabilize the voltage. They are one of the most important indispensable parts in power electronics device, such as UPS, solar energy power system, inverter, frequency converter, soft starter and servo system.

BFC237546751 Application Field and Working Principle

The BFC237546751 is a specific type of film capacitor which is used to filter noise and increase peak current performance. It is particularly suitable for power factor correctors, heavily loaded inverters, and similar devices requiring high maximum current ratings and low internal resistance. In addition, it is compatible with wave soldering technique, and can reduce the probability of a no-start failure.

The BFC237546751 follows the classic energy storage principle of a capacitor. It is constructed from an insulating dielectric layer between two metal electrodes or plates. The presence of the dielectric layer produces a space charge that stores energy in the electric field. When connected to an external voltage, charges will be stored in the plates, inflating the stored energy. The voltage between the two plates is equal to the voltage of the power source and the electrical potential of the respective charges. During current fluctuation, the stored energy in the capacitors will act as a cushion to sustain the voltages, thus reducing the magnitude of the noise on the circuit.

The BFC237546751 comprehensively shows lower equivalent series resistance (ESR) and equivalent serial inductance (ESL) compared to other capacitors, leading to a good dynamic response and high power operation. This capacitor also boasts a strong environmental resistance, including the ability to withstand over voltage and over temperature. The capacitor models also allow increased operating temperature, up to +85 Celsius, which helps to reduce the heating effect of the entire system.

Due to its excellent features, such as high energy storage capacity, low physical size, wide temperature range, and automatic mounting, the BFC237546751 film capacitor is highly suitable for aerospace, military, aircrafts and other application fields requiring high temperature and strong power storage.

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