SFC28S48L391K-F

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Film capacitors are electronic components commonly used in electronic circuits. They are made up of a stack of thin metal or plastic film insulation separated by an effect capacitor. Film capacitors are widely used in switching power supplies, inverters, electrical circuits connecting different groups of electricity, signal transmission lines, etc., and are characterized by stable operating temperature, wide frequency range, non-inductivity, high insulation resistance, self-healing properties and strong overload capability. The SFC 28S48L391K-F is a series of film capacitors that are widely used in the field of power electronic applications for their reliable performance. It is an axial film capacitor, constructed with low DF, EPS type encapsulated coating, metallized PP film, self-healing properties, and excellent surge performance. It provides excellent protection against ESD and high surge voltage protection.

The SFC 28S48L391K-F has a wide operating temperature range from -55 °C to +85 °C with the maximum surge voltage of 200 V. This series of film capacitors uses a long-life electrolytic capacitor that reacts better than other types of capacitors in terms of withstanding various possible external interruptions such as voltage spikes, high temperatures, humidity etc. The capacitor has a lower effective ESR value for a given nominal value, which allows for a better power factor and enhanced performance.

The working principle of the SFC 28S48L391K-F is the same as that of other film capacitors. The two metal or plastic films are separated by an effect capacitor. When voltage is applied to these two films, an electric current is induced to flow through the effect capacitor and across the two films. This current then creates an electric field between the two films, which reduces the amount of electric charge that can flow through the capacitor. This decreases the total capacitance of the device, and thus stabilizes the voltage across the entire circuit.

The SFC 28S48L391K-F series of film capacitors is widely used across the power electronic applications due to their durability and reliable performance. They have a wide operating temperature range and a low effective ESR value for a given nominal value, proving them to be one of the most reliable film capacitors available. The design of this device is also simple and can be manufactured to custom design specifications. In addition, this series of film capacitors is designed such that it can withstand various external interruptions like voltage spikes, high temperatures, humidity etc. thereby providing excellent power factor and enhanced performance. This series of film capacitors is thus a reliable and cost-effective choice for many power electronic applications.

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