SK100M025ST

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are one of the most commonly used types of capacitors today, providing a variety of advantages in numerous application fields. They have extremely high capacitance-to-volume ratio and can store electrical energy for extended periods of time.

SK100M025ST Application Field and Working Principle

The SK100M025ST is a type of aluminum electrolytic capacitor that is designed for high-frequency applications. It is a surface mount technology (SMT) capacitor with a capacitance of 100µF and a voltage rating of 25V. Its construction is with a metalized polyester-foil dielectric, capacitance, and ESR values that are stable up to 85°C.

The main advantages of using this type of aluminum electrolytic capacitor is its high ripple current tolerance, low ESR, and good long-term reliability. It is ideal for voltage regulation, ripple attenuation, and energy storage in applications with limited space.

With regard to its operating principles, the SK100M025ST capacitor functions in the same way as other aluminum electrolytic capacitors. It consists of two metallic plates (the anode and the cathode) that are separated by an electrolyte. The anode is usually made of aluminum foil, on which a thin oxide layer is formed. A liquid electrolyte is used to connect the oxide layer and the cathode plate.

When an electrical current is applied across the capacitor, ions from the electrolyte move towards the anode and the oxide layer on it. This causes the charge to build up, creating an electrostatic field. This electrostatic field is the basis for the capacitor’s capacitance, which is the amount of charge the capacitor can store.

The SK100M025ST capacitor is ideal for use with high-frequency alternating current signals, such as those used for power supplies and switching converters. It offers excellent high temperature performance and high ripple current capability, which makes it ideal for applications that require a large amount of energy to be stored fast.

In addition, the SK100M025ST is also resistant to shock, vibration, and moisture. It has an operational life of up to 2000 hours at 85°C, with a leakage current of less than 250μA, which makes it suitable for use in harsh environments. Its small form factor and high capacitance-to-volume ratio make it a great choice for compact or tight designs.

Overall, the SK100M025ST is a great choice for high-frequency application fields where space is limited and reliability is a priority. Its long-term reliability and high ripple current tolerance make it an invaluable tool for voltage regulation, ripple attenuation and energy storage applications.

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