EKMM401VSN680MQ20T

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Introduction to Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are non-polar, polarized devices featuring very good electrical and thermal properties, are self-healing and typically used in higher capacitance applications including power supply filtering and in low frequency applications. A variety of different shapes and styles are available, from through hole, to surface mount, to trimmer formats, allowing designers to select the device best suited for their specific application.

EKMM401VSN680MQ20T: Application Field & Working Principle

The EKMM401VSN680MQ20T is a radial lead surface mount aluminum electrolytic capacitance, typically used in power supply services with higher values of capacitance. It is rated up to 25Vdc, and is rated with an extremely low equivalent series resistance (ESR), and is highly reliable due to its long useful life. It features a snap in mounting clip to aid in quick installation.

The EKMM401VSN680MQ20T uses aluminum foil as electrodes, as well as manganese dioxide and a non-ionic polymer electrolyte. The presence of the two different dielectrics, along with the electrolyte, causes the capacitance of the device to be extremely high for its size. It is capable of providing high capacitance even when the components are compressed. The non-ionic polymer electrolyte also aids in imparting a very low ESR.

The EKMM401VSN680MQ20T runs on the \'center-tap\' principle, wherein the voltage is applied across the two sets of electrodes. The polarity of the voltage, however, is reversed, so that the two sets of electrodes are in opposition. This kind of arrangement allows the EKMM401VSN680MQ20T to consistently provide very high capacitance, even when the components are compressed.

Due to the quality of the electrolyte used in the production of the EKMM401VSN680MQ20T, the element does not suffer from thermal stress, which further contributes to its longevity and reliability. This makes it ideal for applications where components are required to operate in high temperature environments, such as power supplies, motor drives, and audio equipment.

Conclusion

The EKMM401VSN680MQ20T is an aluminum electrolytic capacitance, typically used in higher capacitance applications, including power supply filtering and in low frequency applications. It is characterized by its high capacitance, very low ESR, and long life, as well as its snap-in mounting clip for ease of installation. Its composition of aluminum foil electrodes, manganese dioxide, and a non-ionic polymer electrolyte make it ideal for use in high temperature applications, as it can consistently provide high capacitance even when the components are compressed.

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