EKMH451VQT681MB45T

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Aluminum electrolytic capacitors are polarized electrolytic capacitors, which means they have two terminals and a positive and negative voltages with respect to ground. They are usually called electrolytic capacitors because of their ability to store electrical charge for long periods of time. One of the most commonly used types of aluminum electrolytic capacitors is the EKMH451VQT681MB45T. This capacitor is most often used in audio and voltage regulation applications because of its high capacitance, stability, and low-ESR characteristics.

The EKMH451VQT681MB45T is a surface mount aluminum electrolytic capacitor. It features a low profile, four-terminal design. The device has an operating temperature range of -55°C to +105°C, a capacitance of 4.7 μF and its rated voltage is 6.3 volts. The EKMH451VQT681MB45T has a maximum working voltage of 20 volts and a maximum ripple current of 600 mA. It has a low equivalent series resistance, making it good for improving switching circuit performance. Its life expectancy is 2000 hours at 105°C.

An aluminum electrolytic capacitor works by storing energy in the form of a reverse-biased electric field created across the capacitor’s anode and cathode. When voltage is applied to the capacitor, the field increases, causing positive and negative charges to collect at the anode and cathode, respectively. The electric field allows charge to be stored on the capacitor plates, with the field reversing its polarity when the voltage is reversed. This stored charge can then be drawn out again.

The EKMH451VQT681MB45T has several applications. Due to its low-ESR characteristics, it is commonly used in audio applications, such as portable audio systems and audio mixers. It is also used as a voltage regulator in power supplies, as it helps maintain a stable DC output. The capacitor also finds use in RF amplifiers, where it helps reduce the high-frequency noise. Finally, the device is also used in energy harvesting applications, where it helps store energy generated from various sources.

In conclusion, the EKMH451VQT681MB45T is a surface mount, aluminum electrolytic capacitor that is primarily used in audio, voltage regulation, and energy harvesting applications. Its low equivalent series resistance and relatively high capacitance make it ideal for these applications. Through the application of an electric field, the capacitor is capable of storing energy, making it a useful energy storage device.

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