UHD1H821MHD6TN

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Aluminum electrolytic capacitors are electrical components that are widely used in consumer electronics and in many other industries due to their high capacitance and their relative low cost. The UHD1H821MHD6TN is one such capacitor and is a surface mount, axial leaded device. Its capacitance range is 821 μF, with its maximum allowable voltage being 100 VDC.

An aluminum electrolytic capacitor has two general end-applications, which are primarily divided into two categories: filtering and energy storage. Filtering applications are where the capacitor provides an AC to DC signal or protection against sudden voltage drops. On the other hand, energy storage applications are when the capacitor is used to provide short-term power backup for when the main power supply fails.

The working principle of an aluminum electrolytic capacitor is based on the electric double layers of charge separation in an electrolytic solution. Firstly, there is an anodic aluminum foil with very small pores that are filled with a conductive electrolyte solution made up of either ethylene glycol or boric acid, and then electronically insulated by a paper separator. The anode is then connected to the positive side of the circuit, whilst the aluminum case is connected to the negative side. The capacitor generates an electric field within the electrolyte, which is the result of the electrode assembly that it’s comprised of.

The UHD1H821MHD6TN is used in filtering and energy storage applications, and is designed specifically for its high capacitance and low DF of 3.8%. This allows this capacitor to be used in high voltage applications. Thanks to its small casing size, the UHD1H821MHD6TN is ideal for being installed in small enclosed circuit boards where space is at a premium.

The practical uses of the UHD1H821MHD6TN include its use in power supplies, as well as in telecom, computer and automotive equipment. Its axial lead and low-profile design mean that it can be used in tight areas, while its high capacitance and low DF can be utilized in applications where high voltage conditions are present.

Overall, the UHD1H821MHD6TN is an ideal choice for applications where a high capacitance and low ESR is required. Its axial lead and low-profile casing mean that it can be used in space-constrained areas, while its wide capacitance range, low DF and high voltage give it the versatility to be used in a variety of applications.

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