UBT1V221MPD8TD

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Aluminum electrolytic capacitors are composed of anodized aluminum oxide film and two layers of aluminum foil, plus electrolyte. This structure forms an ideal capacitor, providing exceptional properties such as low equivalent series resistance (ESR), high capacitance-voltage (CV) ratio and low leakage current. Aluminum electrolytic capacitors are widely used in many electric and electronic applications, such as voltage regulation, signal processing, power electronics, and pulse applications.

The UBT1V221MPD8TD is an aluminum electrolytic capacitor with a volumetric size of 4x5.5mm. It operates at a temperature range of -25°C to +85°C, with a rated voltage of 220V. This capacitor has a capacitance of 1µF, and a tolerance of +-20%. It has a high CV ratio, with a typical ESR of 0.07ohm. Furthermore, its long life and low leakage current make it suitable for a wide range of applications.

About its application field, UBT1V221MPD8TD can be used in many electric and electronic applications due to its advantages, such as frequency changers, high voltage converters, voltage rectifiers, DC-DC converters, UPS systems, and industrial power supply systems. Besides, this capacitor is also useful in various devices, including medical equipment, car audio systems, and home appliances.

Working Principle

The working principle of an aluminum electrolytic capacitor can be explained by understanding the structure of the capacitor itself. It consists of an anodized aluminum oxide film, two layers of aluminum foil and an electrolyte. The anodized aluminum oxide layer acts as a dielectric, while the two layers of aluminum act as the two plates of the capacitor. The electrolyte functions as the medium for electric current.

When a voltage is applied across the two electrodes of the capacitor, charge carriers (electrons) start to move from one electrode to the other. This movement of electrons causes an electric current to flow between the two plates of the capacitor, creating a temporary charge separation. The electric field created by this charge separation would in turn create a capacitance effect, which is what gives the aluminum electrolytic capacitor its unique properties.

The aluminum electrolytic capacitor stores electrical energy in the form of an electric field which is created by the charge separation. To release the stored energy, the user needs to have a path or an external load for the discharged current. This external load can be a circuit board or even air.

The aluminum electrolytic capacitor is one of the most important components in many different electronic projects and projects, due to its unique properties. It has a high capacitance-voltage ratio, allowing it to store large amounts of energy even with a low rated voltage. Furthermore, its low equivalent series resistance (ESR) means it has a very low leakage current, making it suitable for a variety of applications.

In conclusion, the UBT1V221MPD8TD aluminum electrolytic capacitor is a useful component for many electric and electronic applications. Its features, such as high capacitance-voltage ratio, low equivalent series resistance, long life, and low leakage current, all make it suitable for a wide range of applications. Additionally, it is easy to use and requires minimal external components to release the stored energy, making it a popular choice for many electronic engineers.

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