381LX331M315J042

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are a type of capacitor that uses aluminum foil and electrolytes to store electrical energy. Typically, they have an etched foil pattern on their surface and the electrolyte is held between the etched areas. Some versions have a coating on the foil that can passivate the surface for improved corrosion resistance. They are considered to be polarized capacitors, with a negative and positive lead, and require a minimum voltage in order to achieve an electrical conduction or charge. The higher the voltage, the higher the capacitance and electrical storage capacity.

381LX331M315J042 Application Field and Working Principle

The 381LX331M315J042 is an aluminum electrolytic capacitor of the traditional radial type, with a 2:1 ratio of cross sectional area and total capacitance. It is designed for maximum capacitance and low-interference applications in electronic equipment. The 381LX331M315J042 has a rated capacitance of 331 mF and a rated voltage of 16 VDC, with a maximum working temperature of 105°C and a service life of 2000 hours.

The working principle of the capacitor depends on the flow of charge carriers when a voltage is applied between the two leads. In this capacitor, the layers of aluminum foil are polarised through oxidation and bubbling. This polarisation gives each layer a positive and negative charge, resulting in a charge separation. When a voltage is applied to the leads, the opposite charges are attracted to each other, and an electrical field is established between the layers. This electrical field is used to store energy.

The 381LX331M315J042 is capable of withstanding a wide range of temperatures, from –55°C to 105°C. This is an extremely useful feature, making it suitable for use in extreme temperatures. The 381LX331M315J042 is also easily able to dissipate large amounts of energy and handle high Class X noise frequencies, perfect for applications in areas such as automotive, computing, and communications.

All in all, the 381LX331M315J042 is a very versatile aluminum electrolytic capacitor and is ideal for applications in areas such as automotive, computing, and communications. With its high capacitance and low impedance, the capacitor is able to store and dissipate large amounts of energy as well as handle high Class X noise frequencies.

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