EEF-HX1E220R

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Aluminum-polymer capacitors have become increasingly popular in today’s electronics industry due to their small size, large capacitance values, and low equivalent series resistances (ESRs). One of the most popular aluminum-polymer capacitors is the EEF-HX1E220R, which is known for its high capacitance and low ESR in compact packages. This capacitor is typically used in applications such as power supply filtering, audio decoupling, and other power electronics applications.

The EEF-HX1E220R is a ceramic aluminum-polymer capacitor that features a cylindrical SMD package with a nickel barrier and gold finish. It comes in four different sizes, ranging from 2.5mm up to 12.5mm. It has a capacitance range of 220μF, a voltage rating of 3V, and an ESR range of 0.03Ω to 5Ω. This capacitor also offers excellent electrical stability regardless of temperature and time, making it a favorite among designers due to its stability in performance.

The working principle of the EEF-HX1E220R is based on the fact that when a dielectric material such as an aluminum-polymer film is placed between two conductive electrodes, an electric field is created in the film. This electric field is modulated by the applied voltage, which in turn creates a polarization effect in the film. This effect results in an increased capacitance value, enabling higher charge storage and improved current filtering performance.

The EEF-HX1E220R capacitor is particularly well-suited for audio decoupling applications due to its low ESR value. The low ESR reduces the noise and voltage drops from the power supply and helps to reduce the ripple generated from current fluctuations. Additionally, this capacitor can be used in power supply filters thanks to its high capacitance value and low ESR, enabling better current flow control and power stability.

Finally, this capacitor can also be used in other power electronic applications, including automotive motor control, antilock braking systems, power converters, and inverters. In these applications, the EEF-HX1E220R acts as an energy storage element, providing an AC voltage with low ripple and reliable performance even in extreme temperature and humid conditions.

The EEF-HX1E220R aluminum-polymer capacitor is one of the most popular components in today’s electronics industry due to its small size, high capacitance values, and low ESR. Its low ESR makes it particularly well-suited for audio decoupling and power supply filtering applications, while its high capacitance value allows it to be used in other power electronic applications. Its electrical stability regardless of temperature and time makes it a favorite among designers, who can count on this capacitor’s reliable performance in many different applications.

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