E81D401VQT681MB50W

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Aluminum electrolytic capacitors are electrochemical capacitors whose anode is a thin oxide layer on an aluminum foil. They are used extensively in electronic devices due to their superior energy storage capability and their small size. The E81D401VQT681MB50W is a surface mount, low-profile thin-film aluminum electrolytic capacitor. In this article, we will discuss the application field and working principle of the E81D401VQT681MB50W.

One of the primary uses of aluminum electrolytic capacitors is in the power supply or AC/DC converter sections of various electronic devices. These devices typically operate at a voltage of 6.3 or 12.6 volts, and the E81D401VQT681MB50W has the ability to store and discharge significant amounts of energy, making it an ideal choice for these applications. The E81D401VQT681MB50W is also suitable for use in medium to high frequency applications due to its low equivalent series resistance, and it is particularly well-suited for use in signal-coupling applications. Additionally, due to its small footprint and low profile, the E81D401VQT681MB50W is an excellent choice for applications where space is at a premium, such as in portable devices.

The E81D401VQT681MB50W has the ability to store and discharge significant amounts of energy due to its working principle. Conceptually, aluminum electrolytic capacitors are similar to standard capacitor in that they store energy in an electric field created between two conductive plates; however, the construction of these capacitors is vastly different. The E81D401VQT681MB50W, specifically, has a three-layer construction. The first layer is a thin anode foil of aluminum, which is used to store and discharge the electric charge, and the second layer is an electrolyte which is used to separate the anode from the third layer, a cathode made of conductive paper. When an electric potential is applied across the two layers, an electric current flows through the electrolyte, which then causes the electric charge to be stored in the anode layer.

The E81D401VQT681MB50W can operate in a variety of temperatures, from -55 degrees Celsius to 125 degrees Celsius, and it has a dielectric strength of 1500 volts. It is also capable of withstanding ripple currents up to 150 mA, and its equivalent series resistance is very low, typically 1 mOhm or less. Additionally, the E81D401VQT681MB50W is rated for a maximum life of 5,000 hours.

In conclusion, the E81D401VQT681MB50W is a surface mount, low-profile aluminum electrolytic capacitors which is well-suited for a variety of applications due to its excellent energy storage capability and small footprint. Its application field includes power supply or AC/DC converter sections of various electronic devices, as well as medium to high frequency and signal-coupling applications. Additionally, its three-layer construction and wide operating temperature range make it an ideal choice for applications requiring high reliability.

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