UPM1J221MHD6TN Capacitors

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Aluminum Electrolytic Capacitors

The UPM1J221MHD6TN is an aluminum electrolytic capacitor, which is an electronic component used widely in modern electronic circuits. It has the purpose of storing charge and releasing it when required. The advantage of electrolytic capacitors is that they can have values up to hundreds or thousands of times higher than other types of capacitors which makes them suitable for use where conventional capacitors fail due to limited space or component size restrictions.

The UPM1J221MHD6TN is an aluminum electrolytic capacitor specifically designed for audio applications. It has a capacitance of 220 µF and 6.3V of rated voltage. The UPM1J221MHD6TN has a wide range of features which make it one of the most versatile aluminum electrolytic capacitors available today. It features an ultra-low ESR of 0.45mΩ and a high ripple current rating of 4.8A. Additionally, it has a lifespan of 10,000 hours and is rated to operate between -25°C and +85°C. It also has an extremely small footprint and can fit in tight spots.

Application Field

The UPM1J221MHD6TN is suitable for a wide variety of applications, including buffer, decoupling, and smoothing applications for both audio and power circuits. It is commonly employed as output capacitors in power supplies to ensure that there is a continuous supply of current in the circuit. Additionally, it is used in audio amplifier circuits, loudspeakers, and in the crossover networks.

Working Principle

Electrolytic capacitors, including the UPM1J221MHD6TN, employ aluminum oxide layers as their dielectric material. The aluminum oxide layer is formed via an electrolytic process, which involves submerging the capacitor into an acidic solution to form the layer. This layer separates the two electrodes to form an insulating barrier between them. During operation, when the capacitor is connected across a voltage source, an electric field is created, and electrons accumulate in the electrolyte. This creates a potential difference between the two electrodes, which gets stored as charge.

When the capacitor is discharged, the electrons from the electrolyte flows through the capacitor, causing current to pass through the circuit. As the capacitor gets discharged, its voltage gradually decreases. It is important to properly size an electrolytic capacitor based on the application, as the wrong capacitance value can cause the capacitor to overheat and fail.

In summary, the UPM1J221MHD6TN is an aluminum electrolytic capacitor primarily used for audio applications. It has a wide range of features which makes it suitable for buffer, smoothing, and decoupling applications. It employs electrolyte substances in its construction which are capable of storing charge and releasing it when required. Additionally, its small form factor makes it an ideal choice where space is limited.

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