MAL210258682E3

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Aluminum electrolytic capacitors are a type of capacitor that have a large capacitance relative to their size and are widely used in electronic circuits. The MAL210258682E3 is a specific kind of aluminum electrolytic capacitor. It has a rated capacitance of 250 uF and a rated voltage of 400V. The MAL210258682E3 has a maximum working temperature of 105°C and a maximum ripple current of 30A. This capacitor can operate in a temperature range of -40°C to 105°C.

The main advantage of using aluminum electrolytic capacitors is their high capacitance-to-volume ratio. This means that they can store more electrical charge than other types of capacitors and are thus suitable for use in circuits that require a large capacitance. The MAL210258682E3 is particularly suitable for high-power applications such as inverters, power supplies and motor control circuits, as it can handle large currents and high voltage levels.

The working principle of aluminum electrolytic capacitors is based on the fact that a thin layer of aluminum oxide forms on the surface of the anode when it is exposed to an electrolyte, such as sulfuric acid or potassium hydroxide. This layer acts as a dielectric, allowing electrical charge to be stored on the capacitor. The rated capacitance and voltage of the capacitor are determined by the size of the anode and the thickness of the oxide layer.

When a voltage is applied across the capacitor, electrons flow from the anode to the cathode, charging the capacitor. As the voltage across the capacitor increases, the oxide layer becomes thicker, reducing the capacitance. This effect is known as Stray Field Leakage. The MAL210258682E3 has a specific Stray Field Leakage of 2uF at 400V. The capacitor also has a long life span, with a rated shelf life of 5,000 hours.

The MAL210258682E3 is a popular choice for high-power applications, as it offers high capacitance and voltage ratings, as well as a low Stray Field Leakage and a long life span. Its wide temperature range makes it suitable for use in a range of different environments, making it a versatile choice for many electronic designs.

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