UPS1A221MED

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Aluminum electrolytic capacitors, also known as electrolytic capacitors, are widely used, especially in industries that require high-energy storage, such as aerospace and military. UPS1A221MED is one of the kinds of Aluminum electrolytic capacitors; its application field and working principle will be introduced in this article.

Application fields of UPS1A221MED

UPS1A221MED is a power aluminum electrolytic capacitor. The capacitance of single capacitor can reach up to 1,000 μF, and the rated voltage is almost 70 V, which means it can be used in a wide range of applications, from low voltage and high current to large voltage and low current, such as DC-DC converter, laptop adapter, motherboard and high power motor drive, etc. In addition, it also can be used for frequency conversion, rectification, disturbance absorption, output power filter, and bridging, etc.

Working principle of UPS1A221MED

UPS1A221MED aluminum electrolytic capacitor is made of aluminum shell and plastic seal, inside is an oxygen-free aluminum foil as an anode and filled with organic electrolyte. The anodic oxide layer formed on the surface of aluminum foil acts as the dielectric layer, and the electrolyte as the counter electrode completes the circuit. When a constant voltage is applied, current will pass through electrolyte. In this way, charges will be stored in anodic oxide layer and in electrolyte, and thus capacitance is formed.

When AC voltage is applied to an electrolytic capacitor, due to the existence of anodic oxide layer, leakage current will occur. In the process of pooling the leakage current, irreducible current is called reverse current, which not only causes distortion, but also will reduce the life of the capacitor. It is because of this that UPS1A221MED aluminum electrolytic capacitor adopts AC dry-liquid pressing structure to reduce the leakage current, so that it can work in a better condition.

Advantages of UPS1A221MED

UPS1A221MED aluminum electrolytic capacitor has the advantages of small size, light weight, low cost and long service life. The useful working temperature can be +125°C and the vibration resistance is high, which can meet the needs of higher temperature and more severe vibration conditions. It also has stronger mechanical strength, high output power, high frequency and stable oxidation.

Conclusion

UPS1A221MED aluminum electrolytic capacitor is a high-performance product with wide application field and working principle. Its advantages are obvious, and it can work reliably under harsh environment. Therefore, it has been widely used in many industries such as aerospace and military.

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