947D122K901DHRSN

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Film Capacitors

A film capacitor, also called a plastic film capacitor, is a type of capacitor used to store electrical energy in a small amount. It consists of a film of metal, ceramic or plastic film, usually polyester, mylar or polypropylene. The film acts as the dielectric material and the plates of the capacitor are made of copper, aluminium or other metals.

947D122K901DHRSN Application Field and Working Principle

The 947D122K901DHRSN type of film capacitor is used primarily for applications requiring high stability, low impedance, and long life. Most of these capacitors use polyester film as the dielectric material and are available in a wide range of values. Their capacitance is relatively stable, even when subjected to changes in temperature and voltage.

The working principle of the 947D122K901DHRSN is based on the electrostatic fields generated when a direct-current (DC) voltage is applied to the plates of the capacitor. When this voltage is applied, an electric field is created in the layers of the film capacitor which opposes the electric field between the plates. The total electrostatic energy stored in the capacitor is proportional to the voltage applied, divided by the distance between the plates.

The 947D122K901DHRSN film capacitor is most commonly used in applications requiring extremely large capacitors values. Examples of such applications include power factor correction, motor control, and DC-to-DC conversion. These capacitors have very low leakage current and can be operated in temperatures ranging from -55°C to +130°C.

In addition to their use in applications requiring large capacitances, the 947D122K901DHRSN film capacitor is also used in applications where low ESR and high ripple current are essential. Such applications include switching power supplies, inverters, and photovoltaic systems. These capacitors are ideal for applications requiring high stability over temperature and long life.

In conclusion, the 947D122K901DHRSN film capacitor is a great option for applications requiring high stability, low impedance, and long life. It is also well suited for applications where low ESR and high ripple current are essential. The capacitors are available in a range of values and are capable of operating in temperatures ranging from -55°C to +130°C. With these features in mind, it is no surprise that the 947D122K901DHRSN film capacitor is becoming an increasingly popular choice for a variety of applications.

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