EKXJ421ELL680MU40S

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Aluminum electrolytic capacitors are widely used in electronic circuits and are the most commonly used capacitors in today’s technology. The EKXJ421ELL680MU40S aluminum electrolytic capacitor is a high quality device, boasting superior specs such as a rated capacitance of 680uF and an operating voltage rating of 40V.

Aluminum electrolytic capacitors are classified as polarized capacitors, with a typical construction comprising of an anode and cathode connected by a ceramic material called an electrolyte. A foil-like electrode in the form of an etched aluminum foil is used as an anode in an aluminum electrolytic capacitor and is kept relatively close to the electrolyte. This is then connected to the positive terminal of the capacitor. The cathode material is usually an oxide layer that has been formed on the oxide-coated alumina substrate, which serves as the dielectric, and is connected to the negative terminal of the capacitor.

The working principle of an aluminum electrolytic capacitor is based on the technology of an electric double layer. As the electrodes of the capacitor are inserted into the electrolyte, an electric double layer forms at the dielectric\'s surface. This enables the capacitor to store energy, as the charge carriers, namely ions and electrons, accumulate on the oxide layer. From here, electrons and ions can travel between the anode and the cathode, enabling the capacitor to store charge.

The EKXJ421ELL680MU40S is typically used in applications that require a moderate level of power supply but also require a long life span. It is well-suited to powering AC motors and is perfect for switching power supplies, providing a stable voltage source. As it is a long-life product, this capacitor is ideal for applications in which high reliability is paramount, such as medical services, instrumentation and industrial automation.

This aluminum electrolytic capacitor also offers great performance when used for smoothing filters. As the device offers an impressive voltage tolerance and a low ESR, it can easily handle the ripple currents that are associated with DC-DC converters and inverters. Additionally, the capacitor is capable of withstanding higher ripple currents thanks to its rated capacitance.

In conclusion, the EKXJ421ELL680MU40S is an aluminum electrolytic capacitor suitable for a variety of applications. Thanks to its high levels of reliability and superior performance, this device offers long-term stability and reliable power supply to various applications that require a moderate level of power.

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