ESMM250VNN473MA50T

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Aluminum electrolytic capacitors are passive components that are widely used in electronic circuits. They are usually found as stand-alone components, but are also used in conjunction with other electronic components to form a variety of filters, oscillators, amplifiers, and other low-power circuits. The specific type of capacitor being discussed in this paper is the ESMM250VNN473MA50T.

Application Field

Aluminum electrolytic capacitors are most commonly used in applications involving high voltages and frequencies, such as power supplies, filters, and oscillators. The ESMM250VNN473MA50T is an electrolytic capacitor with a rated voltage of 250V and a capacitance of 47µF. This capacitor is often used in power supplies, as it can handle high voltages and frequencies, and is designed to work well in tough environments. It is also suitable for use in automated control, power electronics, and other motor control applications, as the low impedance ensures high reliability.

Working Principle

Aluminum electrolytic capacitors are made up of an anode, a cathode, and two alternating layers of aluminum oxides. The capacitor is charged when a voltage is applied across the anode and cathode. This creates an electric field which causes an exchange of ions between the two layers of aluminum oxide. When the voltage is applied, the ions move towards the opposite oppositely-charged electrode and the capacitor is charged. When the voltage is removed, the ions return to their original positions, discharging the capacitor. The capacitance of aluminum electrolytic capacitors is directly related to the type and thickness of the aluminum oxide layers.

The ESMM250VNN473MA50T capacitor has a maximum operating temperature of 105°C and a rated life of 3000 hours. It can handle ripple current up to 2.2 A at 105°C and ESR of < 0.2 Ohms. The safety features of the ESMM250VNN473MA50T provide protection against excessive voltage, current, and heat, making it suitable for use in safety-critical applications.

In conclusion, the ESMM250VNN473MA50T aluminum electrolytic capacitor is an excellent choice for high voltage, high frequency, and safety-critical applications. Its high capacitance, low ESR, and long rated life make it a reliable and robust component, capable of handling high levels of voltage, current, and heat.

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