ECQ-U2A822KL

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Film capacitors, sometimes also known as film dielectric capacitors, are a type of capacitor that use film as an insulation material between conductors. There are many different types of film capacitors, but the ECQ-U2A822KL is a particularly popular model due to its wide variety of applications and robust design.

The ECQ-U2A822KL is a polyester film capacitor designed with superior insulation, higher energy storage capacity, better stability, and operational reliability. It offers a wide range of temperature range, ranging from -55℃ to +105℃, making it suitable for a variety of applications. Thanks to its high insulation resistance and good linearity, it is widely used in automatic control systems, filtering, and other fields such as aerospace,marine, telecommunications, and defense.

The standard rating for the ECQ-U2A822KL is 2.2uf at 20v. It has a rated maximum operating Voltage of 200V and withstands up to 10KV of over-voltage for 1 second. Its high ripple current capability and low ESR makes it ideal for power conversion and voltage stability circuits, such as switching power supplies, high efficiency LED drivers, and computer power supply. It also has good noise suppression capabilities, making it suitable for audio applications, such as loudspeakers and headsets.

The working principle of the ECQ-U2A822KL is based on the same principle as other types of capacitors. It has two electrodes, which are usually made of aluminum or other conductive materials, which are separated by a thin layer of dielectric. The dielectric material can be paper, plastic, or a film, such as polyester or polycarbonate. In order to increase the dielectric strength of the capacitor, the dielectric material is often treated with a suitable chemical agent. When a voltage is applied to the electrodes, a tiny electric field is created between them, which results in the accumulation of electric charge. This charge allows electricity to flow through the capacitor, while at the same time blocking unwanted signals.

Overall, the ECQ-U2A822KL is a reliable and versatile film capacitor that can be used in a wide range of applications. Its superb insulation, high energy storage capacity, good linearity, and high ripple current capability make it a great choice for power conversion, voltage stability, and noise suppression applications. By understanding its working principle, it’s easy to see why it is one of the most popular film capacitors available on the market.

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