R747N2220AA00J

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Film capacitors are essential components that have been widely used in everyday electronics. The R747N2220AA00J is one such type of film capacitors, manufactured by MPD/ECI. It has a range of applications and a wide range of working principles. This article will look at its application field and working principle.

The R747N2220AA00J is a film capacitor with an operating temperature range of +125°C. It is designed to operate in harsh environments and is resistant to shock, vibration and high temperatures. Its design also makes it well-suited for use in high-voltage designs, with a breakdown voltage up to 2000 VDC plus. In addition, its high performance and reliability make it suitable for high-frequency noise suppression and for filtering of both signals and power lines.

In terms of its application field, the R747N2220AA00J is mostly used in applications where very low leakage current is required, such as in DC-DC converters, power supplies, amplifiers and audio circuits. Its high capacitance and high stability, low ESR (Equivalent Series Resistance), low inductance, good power factor and excellent EMI (Electro Magnetic Interference) characteristics make it well-suited for use as a part of power electronic and electrical systems. The R747N2220AA00J is also often used in applications where very high-power pulses are required.

The working principle of the R747N2220AA00J is similar to that of other film capacitors. It is composed of metallized polyester film and conductive layers. The metallized layers act as the electrodes, while the polyester film acts as the dielectric, enabling the capacitor to store charge. The capacitor stores and supplies energy as an electric field is set up between the two electrodes. When a voltage is applied across the capacitor, electrons move from one layer to the other, leading to a buildup of electrical charge. This process is reversed when the applied voltage is removed, and the stored charge is discharged back.

In conclusion, the R747N2220AA00J is a highly reliable film capacitor that is capable of withstanding very high operating temperature, shock and vibration. It is specially designed for use in high-frequency noise suppression and power electronic systems, and its high capacitance, low ESR and good power factor makes it ideal for use in these applications. Additionally, its working principle is similar to other film capacitors, in that it stores and supplies energy in the form of an electric field between two conductive layers.

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