381LQ332M063H042

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Aluminum electrolytic capacitors are widely used in almost every corner of electronics circuits, and are among the most commonly used components in the capacitor industry. With the development of miniaturization, thinning and intelligent trends in the electronics industry, aluminum electrolytic capacitors, as one of the essential passive components, need to be able to meet various application requirements. 381LQ332M063H042 is one of these types, and it belongs to the Axial Aluminum Electrolytic Capacitors with Long Life series. In this article, the application field and working principle of the 381LQ332M063H042 aluminum electrolytic capacitor will be discussed in detail.

The 381LQ332M063H042 aluminum electrolytic capacitor is an axial aluminum electrolytic capacitor with a long life of over 3000 hours at a rated working temperature of 105°C and 85°C. It has extremely high capacitance values ranging from 2.2uF to 3300uF and a rated voltage ranging from 63V to 450V. Generally, it is ideal for use in digital, audio and power supply networks and instruments, as well as in automated control systems.

The working principle of the 381LQ332M063H042 aluminum electrolytic capacitor comes from the physical characteristics of the capacitors. It has two metal plates inside, one of which has been dielectric oxidized and can be regarded as the positive plate. The other metal plate forms the negative plate. The metal oxide film formed by dielectric oxidation is an absolutely electric insulator, and very thin. The aluminum electrolytic capacitor is an electric double layer capacitor formed by two metal plates and electrolyte. When a DC voltage is applied to the aluminum electrolytic capacitor, the reverse oxidation film is formed. This reverse oxidation film conducts current. The tightness of electric field is determined by the thickness of the reverse oxidation film, which is related to the quality of anodizing and the temperature of electrolyte.

The application fields of the 381LQ332M063H042 aluminum electrolytic capacitor include general-purpose low-power filters, energy-rich, high-quality audio power supply circuit filtering, signal buffering, high-speed gate drive circuits, RF power amplifiers, mobile phone, laptop, memory and motherboard circuits, automotive electronic signals, and industrial automation systems.

In addition, 381LQ332M063H042 aluminum electrolytic capacitors are also suitable for use in AC power filter circuits, as it can effectively filter out noise and interference in DC power supply, reduce ripple on the AC voltage input waveform, and increase the power factor in thyristor AC phase-controlled rectifier. Since it can store a huge amount of energy, it is also a great choice for use in controllers. Such as adjustable speed drives, variable frequency drives, UPS, etc. It is also commonly used in power supplies where larger capacitance values are required, especially when the power source is connected to short circuit protection device, protection against short circuit power surges, and lightning protection.

In conclusion, 381LQ332M063H042 aluminum electrolytic capacitor is not only widely used in all types of electronic circuits, but also plays an important role in them. With the working principle of the electric double layer capacitor and the electric field strength determined by the thickness of the reverse oxidation film, it can store a large amount of energy and capacitor has very high capacitance values. Therefore, its applications in general-purpose low-power filter, signal buffering, AC power filter circuit, industrial control system, etc. are also quite popular. In the future, it will continue to be an indispensable component in the electronic industry.

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