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Aluminum Electrolytic Capacitors

The ERLA221LIN102KA35M is an aluminum electrolytic capacitor. It is a polarized capacitor with a non-solid electrolyte which features a very high capacitance performance per unit volume. It is ideal for using in high frequency filtering, power supply filtering, and tolerance applications.

Application Field

The ERLA221LIN102KA35M aluminum electrolytic capacitor can be found in computer motherboards and other electronics. It can be used in direct current (DC) power supply smoothing, switching power supply filters, audio and radio filtering, noise reduction, and other general buffering, coupling, and decoupling applications.

The ERLA221LIN102KA35M is particularly suitable for power supply smoothing for switching power supply applications. These high power applications require the high current capacity of the ERLA221LIN102KA35M. Additionally, it provides a low ESR value, ensuring that the power supply remains stable throughout operation.

In audio filtering applications, the ERLA221LIN102KA35M aluminum electrolytic capacitor is used to eliminate noise and to provide a level of decoupling in power supplies to prevent interference. It is also used in various low frequency and high frequency filtering applications as it is a highly stable capacitor.

Working Principle

The ERLA221LIN102KA35M aluminum electrolytic capacitor is a standard capacitor that works on principles similar to other polarized capacitors. It is made up of two separate conductors (on metals or in the case of the ERLA221LIN102KA35M, a metal and a metal oxide) that are separated by an insulating dielectric layer. These layers can usually be formed by dipping the two conductors into an electrolyte solution. Electrons then flow from one conductor to the other while the dielectric layer prevents direct current from passing through.

The ERLA221LIN102KA35M aluminum electrolytic capacitor stores energy in much the same way as other capacitors. When a voltage is applied to the terminals, the insulating layer creates an electric field which stores the electrical energy. As the current flows through the electrodes, it creates an electric field in the insulating layer. This creates a steady charge which is stored by the capacitor.

Since the ERLA221LIN102KA35M is a polarized capacitor, special measures must be taken to ensure that correct polarity is maintained. If the correct polarity is not maintained, the capacitor may be damaged as the stored electrical energy is discharged suddenly, which can lead to the capacitor overheating.

Conclusion

The ERLA221LIN102KA35M aluminum electrolytic capacitor is a reliable and efficient capacitor component. It is used in a variety of applications ranging from power supply smoothing to noise reduction and coupling. Its primary working principle is similar to other capacitors, whereby the two conductors are separated by an insulating layer and a steady charge is stored by the capacitor. Special care must be taken to maintain the correct polarity as this type of capacitor is polarized.

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