UHV1C681MPD6TD

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Aluminum electrolytic capacitors are a type of passive electronic components that utilize the separator soaked in electrolytic solutions between the positive and negative electrodes to generate polarized aluminum electrolytic capacitors through the physical reactions of aluminum and its alloys, which attract electrons and form the structure of capacitor component. The UHV1C681MPD6TD is a popular type of aluminum electrolytic capacitor, so applications and working principles of it will be discussed in this paper.

Applications

The UHV1C681MPD6TD is an aluminum electrolytic capacitor widely applied in electronic circuits. It has a maximum working voltage of 25V and a large capacity, usually 100μF or higher. Because aluminum has a greater voltage resistance than most other materials, this type of capacitor is often used in applications that require more than 25V and above.

The capacitor is also used for filtering, decoupling, and wave shaping as a kind of bypass capacitor. It can filter out high-frequency noise, smooth the DC voltage of low-frequency pulsating signals, and make the DC component of AC pulsating signal continuous. It is also used in voltage regulation circuits to reduce the voltage ripple of power supply and smooth out the power supply.

Due to its use in combination with an inductor, this type of capacitor also finds various uses in frequency-dependent functional components. For example, it can be used in synthesizers, dual-time-constant circuits, active filters, and more.

Working Principle

The working principle of UHV1C681MPD6TD aluminum electrolytic capacitor is based on the electrolytic principle. It contains an electrolyte between the plate of polar aluminum foil, and a separator soaked in electrolytic solutions. The electrolyte, a species of the ionic liquid, is a poor conductor of electricity. It can establish two electrodes, one which is a positive electrode, and the other a negative electrode.

When a voltage is applied across the two electrodes, positive ion cations from the electrolytic solution form a layer with negative ions. This layer, in turn, adsorbs electrons from the negative electrode and passes them to the positive electrode, and electrolysis reaction occurs generating a space between the electrodes. This space, known as the dielectric layer, can generate electric fields due to voltage applied across the electrodes, and it serves to store electrical energy and prevent passing of electric current.

In conclusion, the UHV1C681MPD6TD is an aluminum electrolytic capacitor with a wide range of applications and a unique working principle. It is popularly used for filtering, decoupling, voltage regulation, frequency-dependent functional components, and many other applications. Its working principle relies on the electrolytic principle, where a voltage is applied across the two electrodes and electrolytic reaction occurs, producing a dielectric layer to store electrical energy and prevent passing of electric current.

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