UCS2D121MND9

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Aluminum electrolytic capacitors are widely used in many applications. They are used to store and release energy in a device, and their working principles are dependent on the different types of capacitor. The UCS2D121MND9 is a type of aluminum electrolytic capacitor, designed to meet the needs of high-frequency circuits.

The UCS2D121MND9 is a type of radial, high-frequency aluminum electrolytic capacitor. It has a capacitance of 1200µF and is rated for 2.5V with a temperature range of -40 to 85 °C. The UCS2D121MND9 has an ESR of 0.426Ohms and a surprisingly low SRF of 92MHz. The UCS2D121MND9 also has a very long life, rated for 2000 hours at +85°C.

The excellent performance characteristics of the UCS2D121MND9 make it suitable for a wide range of applications. One such application is in the field of radio frequency (RF) applications, especially in mobile phones and other portable communications devices. The UCS2D121MND9 is a perfect choice for high-frequency RF circuits due to its low ESR, low SRF, and ultra-long life. It can also be used in other circuit designs, such as delay lines and filters. Similarly, the UCS2D121MND9 is suitable for use in power supplies, such as in the input and output stages of switched mode power supplies.

The working principle of the UCS2D121MND9 is based on a dielectric-filled aluminum electrolytic. The UCS2D121MND9 has two sets of electrodes, each made of aluminum. These electrodes are placed in a liquid electrolyte, which is then sealed in. Through oxidation of the aluminum electrodes, an electric charge is stored on the electrodes, forming a capacitor. The size of the capacitor is determined by the surface area of the electrodes, the thickness of the electrolyte and the permittivity of the dielectric inside the capacitor.

The UCS2D121MND9 also features a low ESR value of 0.426Ohms. This is due to the presence of an additional dielectric layer that surrounds the aluminum electrodes. This layer improves the dielectric strength and ensures a low ESR value. Furthermore, the large capacity of the UCS2D121MND9, combined with its low ESR value, makes it ideal for high-frequency applications.

In conclusion, the UCS2D121MND9 is a type of high-frequency aluminum electrolytic capacitor that has excellent performance characteristics. Due to its low ESR, ultra-long life, and low SRF, the UCS2D121MND9 is suitable for many applications, such as RF circuits, delay lines, filters, and power supplies. The working principle of the UCS2D121MND9 is based on an oxidation-based aluminum electrolytic, with a dielectric layer around its electrodes. Overall, the UCS2D121MND9 is a great choice for a wide range of high-frequency applications.

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