381LQ821M180J022

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Aluminum Electrolytic Capacitors are electrical components used in many electronic circuits. They are particularly popular in applications involving high current, such as in automotive and aerospace designs. The particular type labelled 381LQ821M180J022 is a companion cap with a long-life rating, which is designed for applications in which it is necessary for the component to operate for a long service life without any significant degradation. This article will explain the application field and working principle of the 381LQ821M180J022 capacitor.

The application field for the 381LQ821M180J022 can be divided into three areas: power supplies, analogue and digital circuits and home appliances. For power supplies, the capacitor is often used to help reduce voltage ripple caused by AC power and to help smooth out any irregular fluctuations of voltage, which can otherwise cause distortions in the signal. Additionally, the capacitor can help to reduce switching noise in the power supply, as well as serving as a transient voltage suppressor. In analogue and digital circuits, the capacitor can serve several roles in the signal processing chain, including as a low-pass filter and to provide a stable reference voltage, thereby increasing the accuracy of the circuit’s performance. Home appliance applications often centre around the capacitor’s ability to reduce switching noise and to help start the appliance’s motor, as well as serving as part of the motor’s electronic control circuitry.

The working principle of the 381LQ821M180J022 capacitor is based on a combination of both dielectric and electrochemical effects. Inside the capacitor, the two metallic electrodes are separated by a thin film of insulating dielectric material, which is typically an oxide coating that forms naturally when the capacitor is manufactured. When a voltage is applied across the terminals of the capacitor, an electrical field forms in the dielectric material, allowing for charge to be stored in the capacitor. The electrochemical properties of the aluminum electrolyte also contributes to the capacitance, as when an electric current is passed through the electrolyte, it will react with the metal electrodes to form a layer of metal oxide. The thickness of this oxide layer directly affects the capacitance of the capacitor, which makes them ideal for high current applications.

The 381LQ821M180J022 capacitor is specifically designed to provide reliable service life even in demanding applications. The long-life rating is due in part to the combination of the oxide dielectric with the aluminum electrolyte, which allows for a stable capacitance value even over long periods of time. The temperature range of the capacitor is also an important factor in its performance; by having a wide temperature range, the capacitor can cope with high temperatures and electrical spikes without significant degradation of performance.

The 381LQ821M180J022 capacitor is a highly desirable component in a variety of different electronic applications, due to its combination of reliable performance and long service life. It is particularly popular in power supplies, analogue and digital circuits and home appliances, and its working principle is based on a combination of dielectric and electrochemical effects, allowing for charge to be stored in the capacitor. Furthermore, its high temperature range makes it suitable for use in challenging environments.

The specific data is subject to PDF, and the above content is for reference