228KXM016M

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Aluminum electrolytic capacitors are widely used in consumer electronics and industrial control applications due to their low cost, wide range of available sizes, and high equivalent series resistance (ESR). The 228KXM016M is an aluminum electrolytic capacitor from KEMET, which features a voltage rating of 10V, a capacitance of 16uF and a tolerance of 20%. It has a maximum DC ripple current of 125mA, and an operating temperature range of -40 to +105°C.

Application Field

The 228KXM016M aluminum electrolytic capacitor is suitable for use in portable devices with its small size, low ESR, and high ripple current. Applications include digital cameras, camcorders, CD players, and portable audio players. It can also be used in laptop computers and other devices requiring precise voltage control. The capacitor\'s high power rating allows it to handle the high power spikes associated with digital devices. The capacitance also helps to reduce transient voltage drops and improves circuit stability.

Working Principle

The working principle of aluminum electrolytic capacitors is based on Faraday\'s law of electrolysis, which states that the current flow in an electrolytic solution is proportional to the voltage applied across its two electrodes. In the case of an aluminum electrolytic capacitor, the two electrodes are composed of a dielectric material which is coated on the aluminum foil. The dielectric material serves to insulate the two conductors and forms the basis of the capacitance. The capacitance value is determined by the area of the dielectric material, its thickness and the type of electrolyte used.

An aluminum electrolytic capacitor consists of two electrodes, an anode and cathode separated by a dielectric material. When a voltage is applied, current flows through the electrolyte, causing the inorganic dielectric material to swell and increase the surface area of the electrode. This increased capacitance is proportional to the applied voltage and to the amount of current flowing through it. As the applied voltage is increased, the capacitance of the aluminum electrolytic capacitor increases, allowing it to handle higher instantaneous current flow.

Additionally, an aluminum electrolytic capacitor is also able to contain a high amount of charge before being completely discharged. This is due to its high equivalent series resistance (ESR). The ESR of an aluminum electrolytic capacitor is much higher than other types of capacitors, which can protect the device from any sudden major changes in current which could damage it artificially.

Conclusion

The 228KXM016M aluminum electrolytic capacitor is an excellent choice for a wide range of applications requiring a low ESR, high ripple current and precise voltage control. It is able to handle large amounts of current, while still offering a high capacitance. Its high ESR also protects the device from sudden major changes in current, making it a reliable and safe choice.

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