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Aluminum - Polymer Capacitors

Aluminum-polymer capacitors, also known as electric double-layer capacitors (EDLCs), are a new type of capacitor used in electronic circuits. They are a type of capacitor that combines the advantages of both aluminum electrolytic capacitors and organic polymers capacitors, offering improved performance in terms of size, weight, quantity, temperature and reliability.

4SW220M

The 4SW220M is an aluminum-polymer capacitor designed for compact applications and high temperature operation. It is a small, robust, radial lead capacitor, available in both a surface mount and thru-hole version. It has a low-ESR (equivalent series resistance) and excellent temperature characteristics, making it ideal for use in automotive, telecom and consumer electronics.

Application Field of 4SW220M

The 4SW220M is suitable for a variety of applications, including energy conversion and storage, power supplies, energy savers, AC/DC and high voltage DC circuits. It can also be used in motor drives, portable devices, and other consumer electronics, such as digital cameras and cell phones.

Working Principle of 4SW220M

The 4SW220M utilizes aluminum-polymer technology for its electrochemical construction. The electrolyte is a blend of organic and inorganic electrolytes, and the electrolyte separates the two electrodes, forming a double-layer structure. The molecule size of the electrolyte is small, resulting in a low equivalent series resistance (ESR). The aluminum-polymer capacitor also has a high dielectric strength, which is an important factor for high temperature operation.

The 4SW220M employs an advanced manufacturing process for its components, allowing for the selection of specific materials for the capacitor electrodes and electrolyte. This ensures that the capacitor can reach rated temperature and current performance under varied conditions. The capacitance of the 4SW220M also remains stable over a wide temperature range.

Conclusion

The 4SW220M aluminum-polymer capacitor offers high performance, versatile applications, and high temperature operation. With its low ESR and excellent capacitance stability over a wide range of temperatures, the 4SW220M is an ideal choice for automotive, telecom and consumer electronics applications.

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