LKX2E681MESB40

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Aluminum electrolytic capacitors are one of the most common types of capacitors. The LKX2E681MESB40 is an aluminum electrolytic capacitor designed for use in a wide variety of applications. In this article, we will discuss the application field and working principle of the LKX2E681MESB40.

Application Fields

The LKX2E681MESB40 is suitable for use in a variety of applications across different industries. These include consumer electronics applications, automotive systems, lighting and power systems, medical electronics, appliance controls, communication equipment, professional audio equipment, and LED drivers. It is also suitable for use in high-reliability applications such as aerospace and military.

These capacitors are also ideal for use in high-power applications where high ripple current capacity is required. They can also be used in high-temperature environments and can withstand up to 105 degrees Celsius. The LKX2E681MESB40 is also relatively affordable and is suitable for cost-sensitive applications.

Performance Characteristics

The LKX2E681MESB40 is a radial electrolytic capacitor with a capacitance of 680μF. It has a maximum voltage rating of 40V and offers an operating temperature range of -40°C to +105°C. It also offers a long life of 2,000 hours at 105°C. It is a low ESR (Equivalent Series Resistance) capacitor with a capacitance stability of ±20%.

Construction and Working Principle

The LKX2E681MESB40 uses a cylindrical aluminum can and aluminum foil winding. A bright polymeric sleeve is coated on the winding to ensure the stacking efficiency. Inside, the aluminum foil is soaked with electrolyte. This electrolyte is responsible for making the capacitor dielectric, which allows current to flow between the terminals.

When an AC voltage is applied across the capacitor, the capacitor is charged and discharged at a frequency equal to the applied voltage. In this way, the capacitor acts as a smoothing device, passing only the AC components of the signal. This allows the capacitor to filter the signal frequency, resulting in fewer AC spikes and surges.

The electrolytic capacitor also features an anode foil, which is protected by a coating. This ensures that the oxide layer covering the anode does not dissolve when the capacitor is charged and that the capacitor is not damaged during normal operation.

Conclusion

The LKX2E681MESB40 is an aluminum electrolytic capacitor that can be used in a wide range of applications. It offers a capacitance of 680μF with a maximum voltage of 40V and a long operational life. It is also relatively affordable and suitable for cost-sensitive applications. Furthermore, it has a low ESR and offers good capacitance stability.

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