UKT1V470MDD

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Aluminum electrolytic capacitors are one of the most widely used capacitor types on the market today. They are typically used in power supplies and in circuit designs where high reliable and high ripple current ratings are required. A particular type of aluminum electrolytic capacitor is the UKT1V470MDD. This article will discuss the application fields and working principle of this capacitor type.

Aluminum electrolytic capacitors generally provide the highest capacitance values for the same physical size of any type of capacitor. The UKT1V470MDD is a polarized aluminum electrolytic capacitor that offers a high ripple current rating and high reliability. It is designed for operation over a wide temperature range of -40°C to +85°C. The capacitor features high capacitance, low electrical losses and low equivalent series resistance. It is available in a range of capacitance values from 1μF to 22μF with a voltage rating of 4V to 63V.

The application fields of the UKT1V470MDD capacitor include power supplies, switched-mode power supplies, voltage regulators, personal computers, digital cameras, cell phones, audio equipment, automotive electronics and various other electronic devices. The capacitor can be used in circuits where it is necessary to supply high ripple currents or filter out noise or interference. The capacitor also has low ESR, which makes it ideal for applications that require low ripple current load applications.

The working principle of the UKT1V470MDD capacitor derives from the physical phenomenon of electrolysis. An electrolysis electrode is laid in a porous anode material and an electrical current is passed through the electrode. The current dissolves the anode material and a gel-like electrolyte solution is formed which contains atoms of metal cations, anions and anodes. The electrolyte solution is then drawn into the formed capacitor (polarized due to the anode/cathode electrodes), where the metal ions then migrate towards their respective electrodes and the metal foil expands down onto the substrate, creating a semi-permeable membrane.

The UKT1V470MDD capacitor utilizes the metal cation ions to store electric charge. When the voltage across the capacitor is higher than the electrolyte, the metal cations are attracted to the anode, and reduce the electric field on the anode. This electric field redistribution reduces the voltage across the capacitor, thus, creating a temporary charge storage. When the voltage across the capacitor is lower than the electrolyte, the metal cations are attracted to the cathode and the stored charge is released.

The UKT1V470MDD capacitor is an ideal choice for applications wherein high capacitance and low ESR, as well as low ripple current values are required. This capacitor has a low self-inductance, low ESR, and a wide temperature range. Its low ESR and ability to handle large ripple currents makes it a good choice for power supply applications. The capacitor\'s wide temperature range and low ESR allow it to be used in a variety of thermal and electrical environments.

In conclusion, the UKT1V470MDD capacitor is a practical solution for applications where high capacitance and low ripple current ratings are required. It has a wide temperature range and low ESR, making it suitable for use in various thermal and electrical environments. Finally, its metal cation ions allow it to store electric charge, creating a cost-effective and reliable solution for many different electronic applications.

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