LQS2V681MELC40

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Aluminum Electrolytic Capacitors: LQS2V681MELC40

The LQS2V681MELC40 is one of the most capable and reliable aluminum electrolytic capacitors. It is a miniature, radial-lead capacitor with a self-healing property, making it a superior component to many others of its kind. It continues to be a popular choice in consumer and industrial applications.

Application Field

The LQS2V681MELC40 can function in any environment, from the extreme temperatures of space to the most sensitive consumer electronics. It offers board-level voltage protection, noise filtering, power supply smoothing, and AC coupling. LQS2V681MELC40s are typically used in consumer electronics, computers, batteries, game consoles, telecommunication equipment, surge protection, automotive, and in medical electronics.

Working Principle

Aluminum electrolytic capacitors use a liquid electrolyte that is usually a combination of ethylene glycol and boric acid, along with a solid electrolyte, which is an oxide of aluminum. This combination forms a plate of aluminum oxide on the surface of the aluminum, providing a higher capacitance than electrolytic capacitors with paper dielectrics. The oxide layer on the aluminum acts as a barrier between positive and negative electrodes, resulting in a higher voltage rating and longer operating life.

The LQS2V681MELC40 features the surface mounted capacitor type that is increasingly becoming the preferred choice for many applications. It utilizes vertical layering technology to increase capacitance up to 124μF, with an operating voltage range of 46-105Vdc and ripple current of 3200mA. It also has high surge current capability and low ESR values.

Conclusion

The LQS2V681MELC40 is a perfect choice for any application requiring a high-capacity, high-performance aluminum electrolytic capacitor. With its miniature size and self-healing property, it is an ideal component for use in a wide range of electronics and industrial applications. The LQS2V681MELC40 provides reliable voltage protection and noise filtering, power supply smoothing, and AC coupling, offering a longer operating life than paper dielectric capacitors.

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