EEU-FC1H390

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Aluminum electrolytic capacitors are an important part of any electrical system as they provide stable supply and protection against large voltage excursions. The EEU-FC1H390 is a type of aluminum electrolytic capacitor, generally used for applications such as automotive electronics, industrial equipment and consumer electronics. It is a radial-leaded, non-polarized capacitor with a wide range of capacitance values. This article will discuss the capabilities and work principles of the EEU-FC1H390.

Application Fields

The EEU-FC1H390 is primarily used for high frequency signal filtering applications. It is ideal for automotive and consumer electronics such as radio and audio signal filtering. It is also suitable for use in and vibration-sensitive equipment, as well as resonant circuits and decoupling applications. The wide capacitance range of this capacitor, which ranges from 2.2uF up to 4700uF, allows it to be used in a wide variety of applications including power supplies, power inverters and converters, motor controllers and DC/DC converters.

The EEU-FC1H390 is also suitable for high temperature applications, as it is rated up to 105 degrees Celsius. This makes it suitable for use in audio amplifiers, switch mode power supplies and other high-temperature equipment. It also has an available surge voltage rating up to 275V and a low ESR rating, making it ideal for use in filter circuits for high power applications such as DC-DC converters.

Working Principle

An aluminum electrolytic capacitor is composed of two aluminum foils separated by a dielectric layer. The dielectric is an electrolyte, which allows the capacitor to provide high capacitance in a very small package. In the EEU-FC1H390, the two aluminum foils are connected with a radial lead on either side. This design allows for ease of mounting, and makes the capacitor suitable for use in a wide range of applications.

The capacitance of an aluminum electrolytic capacitor is determined by the area of the capacitor plates and the distance between them (dielectric thickness). As the voltage across the capacitor increases, its capacitance decreases, due to polarization of the dielectric material. The EEU-FC1H390 is rated for use up to 275V, which allows its capacitance to remain stable at higher voltages.

When the capacitor is used in a circuit, the capacitance adds a low-pass filter effect, blocking high frequency signals while passing lower frequency signals. This allows them to be used for noise reduction, power supply smoothing, and high frequency signal filtering. This can help improve the performance of the circuit, and reduce any unwanted RF interference or noise.

Conclusion

In summary, the EEU-FC1H390 is a high quality radial-leaded, non-polarized aluminum electrolytic capacitor. It has a wide range of available capacitances, and is rated for use up to 275V. The wide range of available capacitance values and surge voltage makes it ideal for use in high power DC-DC converters, audio amplifiers, power supplies, switched power supplies and resonant circuits. It can also be used for high temperature applications, as it is rated up to 105 degrees Celsius. When used in a circuit, it offers a low-pass filter effect, blocking high frequency signals while allowing lower frequency signals to pass, which can be used for noise reduction and electrical supply smoothing.

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