UHE1A681MPT6

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Aluminum electrolytic capacitors, also known as electrolytic capacitors, are electrochemical components composed of an electrolyte and a pair of aluminum electrodes. UHE1A681MPT6 is a popular type of aluminum electrolytic capacitor widely used in various applications. This article firstly will discuss its application fields and working principle.

Overview

UHE1A681MPT6 is a high-end type aluminum-electrolytic capacitor with a voltage rating of 30 volts DC. It has a low impedance rating of 2.7 milliohms and a capacitance of 6800 microfarads. The device also comes with an extended temperature range performance, making it suitable for various kinds of applications in areas that require long-term stability.

Application Fields

UHE1A681MPT6 is mainly used for applications requiring high capacitance and stability in places such as professional audio equipment, telecommunications systems, marine navigation systems and security cameras. It is also widely used to power high-voltage switchgear and motor drives. This capacitor is also suited for general-purpose power supply filtering applications due to its high capacitance, low electrical leakage and extended temperature range performance. It is also commonly used in circuits with high ripple current requirements, such as DC power supply circuits and uninterruptible power supply systems.

Working Principle

The working principle of UHE1A681MPT6, similar to other aluminum electrolytic capacitors, is based on Faraday’s Law of Electrolysis. This law states that when a current is applied to a conductive liquid, it will create a voltage drop according to the number of electrons passing through the liquid. The electric current, in the form of ions, simulates an electric field that causes the charge carriers of the electrolyte to separate. This, in turn, creates a charge on the aluminum surface and a circular electric field.

UHE1A681MPT6 consists of two aluminum electrodes filled with an electrolyte. The primary electrode is made of a thin and porous aluminum foil, and the other is an aluminum foil that is laminated into the annular part of the external case. A dielectric material, generally made of paper, is inserted between the two aluminum foils. When an electric voltage is applied to the two aluminum foils, ions are created from the anode electrode (positive) and diffused into the electrolyte, creating a negative charge on the aluminum foil.

The electric field created by the different charge layers on the two aluminum foils allows current to flow through the device, resulting in the formation of an electric field. This electric field determines the capacitance of the device and the relationship between current and voltage. The higher the voltage of the device, the greater the capacitance, and the stronger the electric field generated.

Conclusion

In conclusion, UHE1A681MPT6 is an aluminum electrolic capacitor that is widely used in various applications due to its high capacitance and low electrical leakage. It is primarily used to provide stability in areas such as professional audio equipment, telecommunications systems, and motor drives. It works based on Faraday’s Law of Electrolysis, where an electric voltage applied to the two aluminum foils will create an electric field between them, determining its capacitance.

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