SFC48S12L291K-F

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Film capacitors, also known as film dielectric capacitors, polymer film capacitors, plastic film capacitors, and paper capacitors, use either polyester, polypropylene, or polycarbonate as the dielectric material. The advantage of film Capacitors lies in their self-healing properties. When there is a defect in the insulation layer, the self-healing mechanism sets in and attempts to restore the insulation property.

The SFC48S12L291K-F is a film capacitor for general use and is widely adopted in industrial power electronic equipment and power tools. It is designed with a compact size, light weight, quick response and excellent long term stability to satisfy various requirements in the field of power electronics. It can be used in various environments such as AC switching powers, lighting, DC DC converters, and frequency inverters. The SFC48S12L291K-F film capacitor has a rated voltage of 400V, a tolerance of +5%, a temperature range of -10°C to +70°C, and a rated frequency of 50/60Hz.

The working principle of the SFC48S12L291K-F film capacitor is based on the fact that when an electric field is applied across any two conductors of different voltages, a charge accumulates on the conductor with the lower voltage, creating an electric potential difference between them. This potential difference reduces the electric field strength between the two conductors, enabling charges to be stored on them. The stored electric charge is proportional to the applied electric field, and the film capacitor exploits this to store energy.

The SFC48S12L291K-F film capacitor has two parallel plates that have a thin polypropylene film as the dielectric material. When an a.c. voltage is applied to the plates, the dielectric film stores the electric charges and creates an internal capacitance between the two plates. This capacitance can be changed by altering the size of the plates or by adjusting the thickness of the film. The capacitance created by the two plates is converted into an electric potential, which increases as the applied voltage increases. As a result, the energy stored in the film capacitor is proportional to the applied a.c. voltage. This efficient use of the film as a dielectric allows the film capacitor to store large amounts of electrical energy.

In addition to its use in industrial applications, the SFC48S12L291K-F film capacitor is also commonly used in audio and communication equipment. For example, it can be used to remove any unwanted signals in circuits and provides protection against voltage surges. It is also used for smoothing and buffering of electrical signals, and is ideal for high-frequency applications.

The SFC48S12L291K-F film capacitor is a high quality, reliable, and cost-effective component that is widely used in various areas of industry. It has excellent self-healing properties, is able to store large amounts of electrical energy, and is capable of handling high frequencies. All these features make it an ideal choice for a wide variety of electrical and electronic applications.

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