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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors, sometimes referred to as aluminum capacitors, are a type of capacitor that use aluminum foil, an anode, and a thin layer of aluminum oxide as a dielectric. These capacitors are used in a variety of applications, including signal processing, high-frequency signal conditioning, power supply regulation, switching power supplies, signal coupling, and power dissipation.

The RFS-100V221MK9#5 is an aluminum electrolytic capacitor that is designed for signal conditioners and power supplies. It features a high temperature range of -55℃ to +105℃, a voltage rating of 100V, a capacitance of 22µF and a maximum ripple current of 7.2A.

Applications

The RFS-100V221MK9#5 is a cylindrical, radial-leaded aluminum electrolytic capacitor for general purpose applications that require a high-temperature range and high ripple current capability. It is especially suited for applications where board space is at a premium, and where a smaller footprint is needed. The RFS-100V221MK9#5 is used in a variety of applications, including signal transducer, signal coupling, power dissipation, power supply regulation, switching power supplies and fluctuating temperature environments. It can be used as a bypass capacitor, energy storage device, and switching power supply as well.

Working Principle

Aluminum electrolytic capacitors operate on the principle of electrolytic polarization, where the anode is polarized and films of potential ions accumulate on the anode surface. This creates a dielectric field between the anode and the cathode, which then acts as a store of electrical energy. This process enables the capacitors to have high capacitance values, making them ideal for a variety of applications.

The RFS-100V221MK9#5 features an aluminum electrolyte, which allows for high ripple current capabilities. This high ripple current capacity enables the RFS-100V221MK9#5 to handle higher voltage and energy applications, making it suitable for use in a range of signal conditioning, power supply regulation and switching applications.

Conclusion

The RFS-100V221MK9#5 is an aluminum electrolytic capacitor that is specifically designed for applications requiring a high temperature range, high ripple current capability, and a small footprint. It is used in a variety of applications, from signal conditioning to power supply regulation, and its high ripple current capacity makes it suitable for many applications. The RFS-100V221MK9#5 operates based on the principle of electrolytic polarization, where electrical energy is stored in the dielectric field between the anode and the cathode.

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