EKMH160VNN223MQ45S

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Aluminum electrolytic capacitors are a type of capacitor that contain an electrolyte, usually a wetting agent such as sulfuric acid, ammonium bicarbonate, or other liquid aqueous solutions. These types of capacitors use a thin aluminum foil with an oxide layer on it as their anode and are placed inside a sealed container containing the electrolyte. The electrolyte is the medium used to transfer charge from one plate to the other, resulting in a capacitance. The oxide layer on the aluminum foil prevents the electrolyte from being discharged, and also prevents the aluminum from oxidizing. They are extremely versatile, finding applications in everything from audio equipment to computer motherboards.

EKMH160VNN223MQ45S Application Field and Working Principle

The EKMH160VNN223MQ45S is an aluminum electrolytic capacitor from KEMET. This product is characterized by its low ESR, high capacitance, and high voltage capabilities. It offers a capacitance range of 0.068-68 μF and a voltage rating of up to 160V. The maximum ripple current for this series of capacitors is 10A, and it has a rated lifetime of 1000 hours.

The EKMH160VNN223MQ45S can be used in high-frequency power supplies, pulse circuits, and LED lighting systems. It is also suitable for high-current, low-impedance, and high-frequency applications, due to its low ESR and high capacitance. In general, aluminum electrolytic capacitors are mainly used in power supplies because of their ability to store electrical charge even when the power is turned off. This is valuable in regulated power supply applications, as it allows for a more consistent output voltage in varying load conditions.

The working principle of aluminum electrolytic capacitor relies on the law of electrostatics, which shows that capacitance is determined by the area of the plates and the distance between them. The thinner the oxide layer, the more charge can be stored on the plates. The aluminum foil acts as a plate connected to a positive terminal, while the electrolyte is connected to the negative terminal. When a voltage is applied to the device, the positive charge on the aluminum foil attracts negative charges from the electrolyte, resulting in an accumulation of charge on both sides. This charge separation stores the electrical energy in an electric field, which is released when the capacitor is discharged.

The EKMH160VNN223MQ45S is a versatile aluminum electrolytic capacitor capable of operating at high frequencies with low ESR and high capacitance. Its voltage and current handling capabilities make it a good choice for various power supply applications, where it can provide better regulation at varying loads. Additionally, its long-term reliability makes it suitable for long-term use in many electronics applications. Aluminium electrolytic capacitors are becoming increasingly popular in device design for their versatility, performance, and reliability.

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