890273326007CS

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Film capacitors, more commonly known as film-dielectric capacitors, are a type of electrical component made from two thin layers of plastic with an insulating layer between them. The two thin layers of plastic create capacitance when connected to an electronic circuit. The two thin layers of plastic act like two plates of an electrical capacitor separated by an insulating material between them. The electrostatic properties of the plastic allows the capacitor to store charge and have a higher energy density than materials like ceramics and electrolytics. The dielectric material of this type of capacitor can range from plastic, paper, and even liquid electrolyte types. Film capacitors are known for their high operating temperature, low ESR (for their size), high volumetric efficiency, low cost, and reliability.

The 890273326007CS application field is broadly divided into two categories: AC applications and DC applications. In AC applications, film capacitors are used to filter out and rectify noise, as well as to reduce EMI noise. They are very common in power supplies and products with short circuit and overload protection. In DC applications, film capacitors are used to reduce ripple, filtrate noise, and improve signal clarity in electronic circuits. Other applications include ripple and EMI filtration in low-frequency analog and RF circuits, AC filtering in power control and regulation, as well as transients protection.

The working principle of 890273326007CS can be broken down into two main pieces: capacitance and impedance. The capacitance of the film capacitor is that, unlike electrolytic capacitors, film capacitors can store energy and produce tension when their terminals are open. When a DC current passes through a film capacitor, the electricity transmits through the capacitor in the form of an alternating current. The alternating current causes an alternating voltage across the terminals of the capacitor. This alternating voltage causes buildup of charge on the plates of the capacitor, because the capacitor\'s dielectric has a certain amount of capacitance and dielectric strength. The buildup of charge is known as capacitance, which is calculated in Farads.

The impedance of the film capacitor is the sum of its capacitive reactance and its resistance. Impedance is the total resistance of the capacitor against current flow when a voltage is applied across its leads. The reactance, or capacitive reactance, of an 890273326007CS is determined by its capacitance, frequency of the electrical signal, and any ESR present in the capacitor. The resistance of the capacitor is determined by the resistance of the metal leads, the dielectric material and the contact resistance between the metal leads and the capacitor.

Overall, 890273326007CS belong to the broad category of film capacitors. This capacitor type is used for AC and DC applications like filtering, rectification, protection, etc. The capacitance and impedance of the film capacitors can be calculated according to their capacitance, frequency of the electrical signal, and any ESR present in the capacitor.

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