EEV-EB2V100SM

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Aluminum electrolytic capacitors, a type of electrolytic capacitor, are polarised capacitors configured with an anode composed of a pure aluminum foil, onto which a very thin layer of oxide coating is constructed and then etched with the electric capacitor’s value. A cellulose paper soaked in electrolyte is the cathode which provides most of the capacitance, but contributes little to the overall size. The EEV-EB2V100SM belongs to this type of capacitors.

These capacitors come with a long list of advantages to make their use a better choice than other types of capacitors. First and foremost, aluminum electrolytic capacitors have a very high capacitance value per unit volume. This makes them ideal for when a small amount of space is available in a circuit, such as in drones, medical equipment, and automotive electrics.

In addition, these capacitors require very low supply voltages, which makes them suitable for low-voltage applications. Moreover, they have excellent temperature stability and a greater tolerance of incoming voltage than other capacitors, making them highly reliable. This comes with the benefit of needing less frequent replacement.

One of the most prominent applications of aluminum electrolytic capacitors is in energy storage, which makes them essential components of renewable energy storage and vibration energy harvesting. These capacitors are also used to filter out certain frequencies or high-frequency voltage spikes in power systems.

The working principle of aluminum electrolytic capacitors begins with the construction of the capacitor. The anode foil is etched with the capacitor’s value and its oxides are formed in solution with the electrolyte. The electrolyte reacts on the anode and forms a dielectric layer to block the discharge.

Once the capacitance is defined by the dielectric thickness, the voltage is applied. The anode is then separated from the cathode, by the electrolyte media, creating a capacitor. The capacitor stores energy as an electric field between the two electrodes, and can then be charged and discharged according to the applied voltage.

The above working principle is important to all aluminum electrolytic capacitors, of which the EEV-EB2V100SM is an example. This particular capacitor is designed for a variety of applications, such as board level circuit protection, signal filtration and energy storage.

Its features include a low leakage current, reverse voltage rating, ripple current capabilities, and high capacitance. These features make it suitable for both low- and high-voltage applications, and it also has a low ESR (equivalent series resistance). Its performance is also stable over a wide temperature range.

To summarise, aluminum electrolytic capacitors are highly efficient and reliable capacitors that offer numerous advantages compared to other capacitor types. Low voltage operation, high capacitance values, excellent temperature stability, and wide operating temperature range are some of the reasons why these capacitors are widely used in a variety of applications, including energy storage and filtering out certain frequencies. The EEV-EB2V100SM, an example of such capacitors, is designed for board level circuit protection, signal filtration and energy storage.

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