MAL214865472E3

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Aluminium electrolytic capacitors are an essential component in the current electronic product market. As a result, they have been applied for a long time in a huge range of electronic designs, from small circuit board applications to large power-handling installations. The MAL214865472E3 is a radial lead, aluminium electrolytic capacitor especially suited for high-performance applications. It is important for system designers to understand how this product works and its potential applications.

Key features of MAL214865472E3

• High voltage rating: 400V
• Low ESR: 5.4 mΩ
• Ideal for high temperature applications (105°C)
• Low temperature derating
• High surge current handling capability
• Low electrical noise and microphonics

Overview of Aluminium Electrolytic Capacitors

Aluminum electrolytic capacitors are widely used in electronic circuits due to their high capacitance and long lifespan. They consist of an anode plate, a cathode plate, and an electrolyte solution. The anode plate is made of aluminium foil on which a thin layer of oxide is formed and acts as an insulating layer. The cathode plate is made of a thin metal sheet that acts as the cathode. The electrolyte solution consists of an acidic solution or electrolyte, such as boric acid, which acts as the electrolyte between the anode and the cathode and helps to bridge the gap between them.

Aluminium electrolytic capacitors work on a principle called "double layer capacitance" which was discovered in the 1950s. This is a process whereby an electric field is created between two metal surfaces and charges are stored in a layer of dielectric (insulating) material. The layers of charge create a capacitance, which can be measured and used to store energy.

Aluminium electrolytic capacitors are able to store more charge than other types of capacitors thanks to their large surface area. The surface area of the oxide layer is increased by etching the anode using acid, this increases the surface area and thus the capacitance. As the voltage rating increases, the capacitance of the capacitor also increases.

Applications of MAL214865472E3

The MAL214865472E3 is a radial lead electrolytic capacitor, making it suitable for a variety of applications. Due to its high voltage rating and reliable performance, this product is an ideal choice for power-handling applications. It is also suitable for automotive applications and for a range of other high-performance applications.

The low ESR of the MAL214865472E3, combined with its high-temperature rating, makes it an excellent choice for power-handling applications which require high reliability and low electrical noise. The low-temperature derating ensures that it can operate in temperatures as low as -55°C while keeping its capacitance and voltage rating. The high surge current handling capability enables it to handle power surges without damaging the capacitor.

The MAL214865472E3 is also well suited for high-frequency applications such as in power supplies, switching power supplies, and DC-DC converters. The low electrical noise and long-term reliability of the product make it an ideal choice for applications which require reliable operation.

Conclusion

The MAL214865472E3 is an aluminium electrolytic capacitor which offers a range of features such as a high voltage rating, low ESR, high temperature stability, low electrical noise, and high surge current handling capability. This makes it an ideal choice for a range of applications from high-performance electronics to automotive applications.

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