420BXW47MEFR14.5X25

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Aluminum electrolytic capacitors, commonly known as electrolytic capacitors, are capacitors whose anode is made of aluminum foil with oxide film for dielectric material. Adding a liquid electrolyte to the anode foil gives them their distinctive electrical characteristics, providing extremely large capacitance per unit volume. The specific part number 420BXW47MEFR14.5X25 is an example of the commonly used aluminum electrolytic capacitor.

A capacitor works by storing electrical energy in an electrostatic field when a voltage is applied across the two plates. As such, these types of capacitors are used to store electric energy, filter signals, and smooth out power supplies in electronic circuits. In the case of aluminum electrolytic capacitors, they are able to store electrical energy much higher than any other type of capacitor due to the anode foil and the electrolyte.

The 420BXW47MEFR14.5X25 aluminum electrolytic capacitor is a type of radial leaded aluminum electrolytic capacitor with a rated capacitance of 47uF, an operating temperature of -40 degrees Celsuis to +85 degrees Celsius, and a long lifetime for high reliability. The part features a brushed finish aluminum case and enameled wire leads. The rated voltage is 45V and the maximum leakage current is 92uA.

In their application fields, aluminum electrolytic capacitors are most often used for filtering purposes. They are frequently used in power electronic circuits in electronic devices such as TVs, radios and modems, as well as electric power supplies, power converters, industrial automation, and general circuit board power supply filtering. The 420BXW47MEFR14.5X25 aluminum electrolytic capacitor is an excellent fit for these types of applications, due to its high capacitance and efficient filtering abilities.

The working principle of this type of capacitor is based on Faraday’s Law of Electromagnetic Induction. This law states that a current will flow through an electric circuit when a voltage is applied across it. In the case of aluminum electrolytic capacitors, the conventional current flow is from the anode to cathode and the voltage causes the oxidation of the aluminum anode, forming an insulating aluminum oxide layer. This layer allows the capacitor to store charge. The electrolyte is also necessary for allowing current flow to and from the capacitor, thus completing the circuit.

As aluminum electrolytic capacitors continue to become increasingly popular due to their wide range of application fields, the 420BXW47MEFR14.5X25 aluminum electrolytic capacitor specifically is well-suited for power supply filtering and other electrical applications due to its high capacitance and maximum leakage current. Its reliable and efficient filtering performance make it an ideal choice for a variety of devices.

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