380LX181M400K022

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Aluminum electrolytic capacitors are capacitors that use both an anode and cathode made of aluminum. They have two layers, the anode being aluminum foil covered with an oxide film, and the cathode being an aluminum foil as well. A substance, typically a gel, holds the two layers together and can contain other additives such as liquid electrolyte and stabilizers to help prevent corrosion and leaking.

380LX181M400K022 is one of the many types of aluminum electrolytic capacitors. It is intended for use in power supply circuits and has a maximum voltage of 500 volts. The anode, or positive terminal, is marked with a positive sign and the cathode, or negative terminal, is marked with a negative sign. It has a temperature range of –40 to +105 degrees Celsius and is approved for use in many safety critical applications.

The working principle of aluminum electrolytic capacitors is based on Faraday’s law of electrolysis. This law states that when a voltage applied to two conducting plates separated by an electrolyte, the current passing between them will cause ions or electrons to migrate through the electrolyte creating a current. In an aluminum electrolytic capacitor, the oxide film acts as the electrolyte and when the applied voltage is greater than the oxide film’s breakdown voltage, current begins to flow internally creating a charge on the anode and cathode. The current creates an electric field that opposes the flow of current. This creates a storage of charge on the anode and cathode similar to any other capacitor.

Aluminum electrolytic capacitors have numerous advantages over other types of capacitors including their high capacitance-to-volume ratio, low equivalent series resistance, and large surface area per unit volume. They are also very reliable and relatively inexpensive and are commonly used in consumer electronics, power supplies, audio equipment, and many other applications where larger capacitances are needed.

The 380LX181M400K022 type of aluminum electrolytic capacitor is ideal for use in power supply circuits due to its high voltage rating and temperature range. It is reliable, versatile, and can be used in a variety of applications. It is a cost-effective solution for many of today’s electronic systems that require large capacitance values.

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