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Aluminum Electrolytic Capacitors

An aluminum electrolytic capacitor is a type of capacitor that utilizes an electrolyte to achieve a larger capacitance than other capacitors. This is done by immersing two aluminum foils in an electrolyte, creating an electric double layer where electric charge is stored.

The MAL210475332E3 is a Special Type Aluminum Electrolytic Capacitor manufactured by the Matsushita Electric Industrial Co., LTD. It is an electrolytic capacitor that is a combination of a tantalum electrolytic capacitor and an aluminum electrolytic capacitor.

The application field of the MAL210475332E3 is mainly General-purpose (e.g. for back-up or oscillation) circuits, DC blocking or AC bypassing, and smoothing (for decoupling, etc.), and it can be used in either high-capacity or high-ripple current circuits. This capacitor is suitable for any application due to its long life, low ESR, high accuracy, and low leakage current.

How does the MAL210475332E3 work?

The MAL210475332E3 aluminum electrolytic capacitor has two aluminum foils anode and cathode, separated by a semi-permeable membrane known as the dielectric. A liquid electrolyte is present in between these two foils. When a voltage is applied across the capacitor, an electric field is created which causes the positive ions (anions) to migrate from the anode to the cathode, and the negative ions (cations) to migrate from the cathode to the anode. This flow of ions is known as the ‘electrochemical migration’, and is responsible for creating the electric double layer, where the electric charge is stored. This electric double layer, is in turn responsible for increasing the capacitance of the capacitor.

The capacitor also includes a safety valve to ensure the safety of the components in case of too high currents. The MAL210475332E3 also features low ESR, meaning that it can usually be used in high-frequency circuits without requiring additional components or designing special circuits.

Benefits of the MAL210475332E3 Capacitor:

• High capacitance in a small package. The MAL210475332E3 has a capacitance of 470uF, making it the ideal choice for applications that require high capacitance values in small packages.
• Low ESR, meaning that the capacitor can be used in high frequency circuits without requiring additional components or designing special circuits.
• Long life expectancy. The capacitor has a long life expectancy, with a 5000-hour capacity at an ambient temperature of 85° and +90°. This ensures reliable performance and a low failure rate.
• Low leakage current. The capacitor has a low leakage current, meaning that it can be used for a variety of applications without fear of the capacitor affecting the performance of the system.
• High accuracy. The capacitor has a high accuracy, meaning that it can be used in precision systems without fear of the capacitor affecting the system accuracy.

Conclusion

The MAL210475332E3 aluminum electrolytic capacitor is an ideal choice for a variety of applications, due to its high capacitance values, low ESR, long life expectancy, low leakage current, and high accuracy. The capacitor can be used in both general-purpose and high-frequency circuits, as well as in precision systems, without fear of the capacitor adversely affecting the performance of the system.

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