EET-UQ2S151CA

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Aluminum electrolytic capacitors are ubiquitous component in electronics, providing the storage of energy for power electronics systems. The wide variety of capacitor types each have their own characteristics and capabilities. The EET-UQ2S151CA is an example of a surface mount aluminum electrolytic capacitor, and the following will discuss its application field and working principle.

The EET-UQ2S151CA is a high-temperature Aluminum Electrolytic Capacitor with a voltage capability of 450 VDC. It is designed specifically for high-temperature environments, up to 125C. This makes it a perfect choice for cooling systems, robotics, lighting, industrial control systems and other temperature-sensitive devices. In addition, the EET-UQ2S151CA is highly resistant to vibration and shock, so it is well suited to applications where mechanical movement is expected.

The EET-UQ2S151CA is made up of two electrodes: the anode, which is a layer of aluminum oxide , and the cathode, which is an electrolyte-filled bag or sleeve made from aluminum foil. The aluminum oxide layer is an insulating barrier that prevents an electrical charge from passing into the electrolytic medium. This is the key component in its operating behavior, as the presence of dielectric properties allows it to store a charge and release it when necessary.

The EET-UQ2S151CA has a capacitance range of 4-150 µF, a ripple current capability of 2.51 A, and a permissible leakage current of 0.3 mA. These properties allow the capacitor to function in a range of frequencies from 100 Hz to 1 MHz. This makes it an excellent choice for various applications such as filtering, timing, and power management, where stability and accuracy are essential.

The EET-UQ2S151CA operates in a similar fashion as most aluminum electrolytic capacitors. The aluminum oxide layer acts as an insulating barrier toresist the flow of AC current and to allow the capacitor to hold a charge. When a voltage is applied, it causes the aluminum oxide layer to be polarized and creates negative charges on the surface of the aluminum oxide layer. This helps to keep the stored charge stable and prevents discharge. The stored charge attracts opposite charges from the electrolyte and this allows the capacitor to store and release energy.

The EET-UQ2S151CA also exhibits other beneficial characteristics. It is a low-ESR capacitor, meaning that its effective series resistance is much lower than other capactors, allowing it to store and release energy more quickly and efficiently. It also has an impressive voltage coefficient, allowing the capacitor to maintain its capacitance even under extreme voltage changes. This allows it to meet the requirements of demanding electrical systems.

In summary, the EET-UQ2S151CA is a high-temperature aluminum electrolytic capacitor with a voltage capability of 450 VDC. It offers a wide range of uses including power management, filtering, timing, and more. Its excellent low-ESR and high voltage coefficient make it suitable for demanding applications. Its general working principle is based on the properties of the aluminum oxide layer, which acts as a dielectric material to store and release energy when needed.

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