UHN1C272MHD

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Aluminum electrolytic capacitors (ACs) are widely used components in electronic circuits, thanks to the combination of their relatively small sizes and large capacitance values. The UHN1C272MHD is an example of one such device which is commonly used for a variety of applications, along with its working principle.

In general, ACs are polarized capacitors that are constructed of two aluminum foils with the oxide layer, separated by an anion (a negatively charged molecule) and impregnated in an organic solvent. When a voltage is applied across the electrodes, current flows through the oxide layer, creating an electric field and an electrostatic charge, allowing the capacitor to store energy.

Specifically, the UHN1C272MHD features a capacitance of 270 microfarads (uF) and a rated voltage of 25VDC. It is designed to be formed and used in various electrolytic and non-electrolytic applications, including DC/DC converters, power supplies, and pulse applications, as well as audio applications. It can also be used in a variety of other applications due to its small size and ability to operate at high temperatures.

The UHN1C272MHD takes the general principles of an AC and combines them with a unique construction design. The oxide layer consists of a three-layer system, which is composed of the anion, an aluminum foil with a patented hydrate-resistive material, and a second aluminum foil. This construction helps to prevent leakage of the electrolyte while ensuring a long lifetime for the capacitor. Additionally, this design prevents the saturation of oxide layers, allowing the device to maintain its capacitance value over a wide temperature range. Through this combination of features, the UHN1C272MHD demonstrates a voltage proof of up to 125% of the rated voltage and an equivalent series resistance (ESR) of 0.8Ω, allowing it to be used in a variety of applications.

In conclusion, the UHN1C272MHD is a versatile, high performance aluminium electrolytic capacitor. It offers a wide range of applications in both DC and AC circuits, and its unique construction helps to ensure long-term reliability. With its small size, high capacitance, and operating temperature range, it’s suitable for use in a variety of applications, including DC/DC converters, power supplies, and audio applications.

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