LKG2A821MESACK

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Aluminum electrolytic capacitors are among the most common types of capacitors seen in consumer electronics. This is due to their combination of high capacitance, low cost, and ability to withstand high temperatures and long-term operation. The LKG2A821MESACK capacitors are aluminum electrolytic capacitors marketed under the Aishi brand. These capacitors are suited for use in a variety of applications that require high capacitance values, including digital, analog, and RF circuits. In this article, we\'ll discuss the application field and working principle of the LKG2A821MESACK capacitors.

Application Field

The LKG2A821MESACK capacitors are designed for usage in electronic circuits that require a high-grade, reliable, and cost-effective aluminum electrolytic capacitor. This includes power circuits, including DC/DC, AC/DC, boost, buck, and PFC, as well as circuits in which stability and long-term reliability are essential requirements. The LKG2A821MESACK capacitors are also suitable for use in high-precision power supplies, RF circuity, and frequency synthesizers. Additionally, these capacitors are widely used in audio and industrial equipment, where voltage, temperature, and environment stability are primary concerns.

Working Principle

An aluminum electrolytic capacitor is a polarized device that utilizes an electrical field to operate. Its construction consists of an anode, a cathode, and a membrane separator, between which a dielectric layer is formed when electrolytes are injected. When a voltage is applied, electrons will flow through the anode, electrons from the cathode, and reactions will take place within the electrolyte, which will generate a charge-separation field. The di-electric field will store energy, creating a capacitor. The electrolyte also serves to protect the dielectric layer from oxidation.

High capacitance in aluminum electrolytic capacitors is achieved by using a low resistance anode, using an oxidized aluminum foil layer as the anode, using a large surface electrode as the cathode, and by increasing the operating voltage. The LKG2A821MESACK capacitors have a capacitance value of 820uf, a voltage rating of 25V, a temperature range of -40C to 85C, and a tolerance of ±20%. The capacitors also have excellent self-healing properties, and are RoHS compliant.

Advantages

The major advantages of using the LKG2A821MESACK capacitors is their high capacitance value, low cost, and long operating life. Additionally, their operating temperature range of -40C to 85C allows them to be used in a wide variety of applications. The capacitors also offer high reliability, stability, high ripple current absorption, and fast start-up periods.

Conclusion

The LKG2A821MESACK capacitors are aluminum electrolytic capacitors widely used in various types of electronic circuits. These capacitors are suited for use in power circuits, RF circuity, and frequency synthesizers, as well as audio and industrial equipment. Its advantages include high capacitance, low cost, long operating life, excellent self-healing properties, and RoHS compliance.

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