R413F16804000M

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Film Capacitors

R413F16804000M Application Field and Working Principle

Film capacitors, also known as film dielectric capacitors, are capacitors that use plastic films as the dielectric material. This type of capacitor exhibits a great level of stability and reliability, in addition to high insulation resistance and dielectric strength. Therefore, they are widely-used in a variety of applications as standard and specialty capacitors, as well as power factor correction capacitors.

The R413F16804000M is an example of such a film capacitor. It is a three-phase AC rated capacitor, with a capacitance of 350μF, rated for 400VAC, and with a high-voltage reference range of 1680~ 4500V. It is encapsulated in a flame-retardant casing and is commonly used in power factor correction applications, such as 1-phase or 3-phase motor starters, induction heaters, UPSs, variable frequency drives (VFDs), and solar energy power supplies.

In terms of its working principle, the film capacitor utilizes a series of plastic film strips between two metal plates, thereby creating a high-density electric field. In contrast to other types of capacitors, both the metal plates and the dielectric material in film capacitors are both very thin, thus allowing for a higher degree of insulation and higher breakdown field stress. At sufficiently high levels of voltage, the dielectric starts to break down, resulting in the rapid discharge of the energy that has been accumulated on the capacitor.

The stability of the dielectric material, as well as its tremendous insulation resistance and ability to rapidly discharge, makes R413F16804000M film capacitor ideal for use in many power factor correction applications where high levels of voltage are transferred from one point to another. This includes motor starters, induction heaters, UPSs, VFDs and various solar energy power supplies. Due to the stability and reliability of the materials used in its production, these capacitors also have a long service life.

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