EKMH500VSN682MQ50S

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors (also known as anode aluminum capacitors, AC, or alcaps) are capacitors with a structure that can generate very high capacitance values per unit of volume. It is a type of capacitor composed of two aluminum foils covered with a non-conductive oxide layer that is usually treated with organic solvents. A dielectric (insulating material) insulates the two aluminum foils from each other. Inside the capacitor there is then an electrolyte, usually a paste consisting of ethylene glycol and water, which lines up the ions in the foil surface and the dielectric layers to form the electrical conduction path.

This type of capacitor is especially suitable for applications requiring a substantial amount of capacitance in a very small amount of space. The aluminum electrolytic capacitor can take on the highest capacitance values, usually up to tens of thousands of microfarads, with relatively small dimensions. The EKMH500VSN682MQ50S is an example of such an aluminum electrolytic capacitor.

EKMH500VSN682MQ50S

The EKMH500VSN682MQ50S is a radial lead, high voltage, low impedance aluminum electrolytic capacitor. It is constructed with stainless steel case, aluminum electrolyte, an aluminum foil anode, and a stainless steel contact electrode. It has a rated voltage of 500 V DC and a rated capacitance of 0.68 μF. The maximum leakage current of the electrolytic capacitor is 2 mA @ 20 mV and the maximum temperature coefficient is 3%. The maximum ripple rating of the capacitor is 500mArms. Its capacitance tolerances are ±20%. This is an MLCC capacitor that can be used in a wide variety of applications including power supplies and power conditioning systems.

Application Field and Working Principle

Aluminum electrolytic capacitors are mainly applicable for the purpose of making electric circuits and filtering out noise generated from power sources, such as the noise generated by switching circuits and AC mains. This type of capacitor is one of the primary components of AC-to-DC power supplies, motor drives, audio systems, and the power conditioning systems. They are also widely used for the purpose of filtering and filtering high frequency signals in electronic products. In its most basic form, this type of capacitor works by storing electrical charge on its electrodes when an electric field is applied across the capacitor. This stored charge results in a voltage drop across the capacitor, effectively blocking any signals with a frequency higher than the specified cutoff frequency.

Aluminum electrolytic capacitors also offer several advantages in comparison to other types of capacitors. These include very low ESR (equivalent series resistance) and low capacitance tolerance. These features allow for a higher operating power rating and higher temperature tolerance than other types of capacitors. As such, they are the preferred solution for power applications, and particularly in noise suppression circuits where large capacitance values are required.

In summary, the EKMH500VSN682MQ50S aluminum electrolytic capacitor has a decent capacitance value, low ESR, and wide temperature range which makes it a great capacitor for use in various power applications. It is a very useful component in noise suppression circuits and power conditioning systems.

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