EEF-SE0E391ER Capacitors

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EEF-SE0E391ER application field and working principle

EEF-SE0E391ER belongs to a family of aluminum-polymer capacitors, which are commonly used in a variety of applications. It is an especially suitable option when higher capacitance densities and lower leakage currents are required at low operating temperatures.

As with all capacitors, the EEF-SE0E391ER stores electrical energy within the formation of an electrical field, known as a dielectric. It generally consists of two conductive electrodes separated by a dielectric material, such as a metal-polymer film. By maintaining a difference in potential between the two metal plates, an electrical field is established and charges may be stored. Typically, by supplying a positive charge to one plate, electrons are drawn away, leaving the remaining plate positively charged. The metal-polymer film is used to facilitate the storage of the charge, with its layers allowing electrons to flow across the capacitor.

Due to the high dielectric properties and low resistance of aluminium-polymer capacitors, they offer much better performance levels than traditional aluminium electrolytic capacitors. Their improved capacitance densities offer a much lower series resistance, and thus improved internal energy dissipation compared to other types of capacitors.

The EEF-SE0E391ER is designed primarily for high frequency applications, able to meet a minimum capacitance value of 8mF at 10V and 2000kHz. This improved performance stems from its multiple layers of anodized aluminium and a polymer films, which are designed to reduce distortion and waveform deviation at high frequencies.

This increase in performance is also coupled with increased temperature capabilities. Compared to other aluminum-polymer capacitors, the EEF-SE0E391ER is rated for use in ambient temperatures as low as -55°C, allowing for a reliable application over wider temperatures ranges.

Due to its blend of improved performance and temperature characteristics, the EEF-SE0E391ER is utilized in a variety of industries. It is common within communications, automotive, medical, and industrial applications.

Conclusion

EEF-SE0E391ER aluminum-polymer capacitors are ideal for applications requiring higher capacitance densities and lower leakage currents at low operating temperatures. With its multiple layers of anodized aluminium and a polymer films, the EEF-SE0E391ER offers a reliable performance in temperatures as low as -55°C. These features make it suitable for use in a broad range of industries, including communications, automotive, medical, and industrial applications.

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