PHE820MB5470MR17

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Film capacitors are electrical components that store electrical energy in an electric field. They can be used in any electronic circuit that needs to store energy in electrical form such as power supplies and high voltage circuits. The PHE820MB5470MR17 is a type of film capacitor that is used in various applications.

The PHE820MB5470MR17 is a metallized polypropylene capacitor that operates at a voltage of up to 820 Vac, with a temperature range of -40°C up to +85°C. It is especially suitable for DC filtering circuits and AC snub circuits, as well as general-purpose coupling, decoupling and signal clamping applications.

The working principle of a film capacitor is based on the electrostatic capacity principle. When a voltage is applied to the two terminals of the capacitor, an electric field will be created across the dielectric material of the capacitor. This electric field is capable of storing electrical energy in the form of an electrical charge. The amount of charge stored is proportional to the voltage across the capacitor.

The construction of a film capacitor typically consists of two metallic electrodes, an insulating dielectric material and an encapsulation material. The metallic electrodes are usually made of aluminum, copper or stainless steel. The insulation material typically is a polyester, polypropylene or polycarbonate film. The encapsulation material is used to provide environmental protection and limiting the size of the component.

The advantages of using film capacitors in applications include high capacitance for size, rapid charge/discharge ability, low leakage, good temperature stability and low inductance. They are also less prone to dielectric absorption and polarization than ceramic and other capacitor types.

The PHE820MB5470MR17 film capacitor is an excellent choice for applications such as DC filtering, AC snub circuits, general-purpose coupling, decoupling and signal clamping. It is also a good choice for high-temperature applications due to its wide operating temperature range. This type of capacitor is durable and reliable, making it a great choice in many different applications.

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