UVK1H680MED

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Aluminum electrolytic capacitors are some of the most widely used components in electrical and electronic circuitry. They have the advantage of being relatively inexpensive and offering a wide range of values, from fractions of a farad to several farads. They also offer much higher capacitance values than their ceramic counterparts.

Among the many types of electrolytic capacitors, the UVK1H680MED is one of the most popular. This capacitor is often used in power-management strategies for products that require long hold times, such as computers, smartphones, TVs and gaming consoles. It is also used in some other applications, such as in DC-DC converters and in power supplies.

The UVK1H680MED is an aluminum-polymer electrolytic capacitor that features a slow inrush current, a high temperature rating and low ESR. It is well suited for filtering and decoupling applications, active power factor correction circuits and general-purpose capacitors for DC-DC converters. It has a maximum operating temperature of +105°C, a capacitance range of 680µF-1000µF and an ESR range of 6.1mΩ – 22mΩ.

The working principle behind an aluminum-polymer electrolytic capacitor is relatively simple: two aluminum foil plates are charged with a voltage, and the foils are separated by an electrolyte material, such as a polymer or a paperboard. The result is a dielectric material with a higher capacitance than ordinary electrolytic capacitors, due to its larger dielectric constant. At a given voltage, this capacitance is substantially increased by the use of aluminum-polymer electrolytic capacitors. The aluminum-polymer electrolytic capacitor also offers superior capacitance density, meaning that more capacitance is available in a smaller size.

When using an aluminum-polymer electrolytic capacitor, it is important to ensure that the circuit is protected from overvoltage surges. Overvoltage could severely damage the capacitor, so it is important to use a voltage-clamping circuit or some form of transient-voltage protection.

When used in the power supply or in an audio application, the aluminum-polymer electrolytic capacitor can provide an extremely low ESR, allowing it to respond quickly to changing signal levels. In addition, its slow inrush current helps to reduce power consumption in the device. The wide range of values offered by the capacitor also makes it suitable for a variety of applications.

The UVK1H680MED aluminum-polymer electrolytic capacitor is a very useful, versatile component for many applications. Its high capacitance density, slow inrush current, high temperature rating and low ESR make it an appealing option for many power-management strategies, filtering and decoupling applications, active power factor correction circuits and general-purpose capacitors for DC-DC converters.

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