381LX680M250H202

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Aluminum electrolytic capacitors, such as the 381LX680M250H202, are highly reliable passive components used for energy storage in electronic circuits. These capacitors have a wide range of applications, including DC blocking, signal coupling, and voltage smoothing, and are commonly seen in power supply designs. They are also available in various sizes, configurations, and capacitance values. This article will discuss the application field and working principle of the 381LX680M250H202.

The 381LX680M250H202 is an aluminum electrolytic capacitor that provides a capacitance of 680 µF (microfarads) at an operating temperature of -25°C to +85°C. Its characteristic features, such as a wide temperature range, low equivalent series resistance (ESR), and high-frequency operation, make it suitable for a wide variety of applications, including switching power supplies, general-purpose power supplies, DC to DC converters, and LED lighting. It is also well- suited for portable battery-powered devices, as it has a low leakage current and a low self-discharge rate.

The most important aspect of the 381LX680M250H202 is its working principle. Like all other aluminum electrolytic capacitors, this capacitor consists of an anode and a cathode that are separated by an electrolyte. The anode is composed of two layers: an aluminum plate and an oxide layer, which serves as the dielectric. The cathode is typically composed of an aluminum foil that has been electroplated with chromium. When a voltage is applied across the capacitor, the oxide layer on the anode becomes polarized, allowing a current to flow through it. Because the oxide layer is extremely thin, this current is very small, producing a very high capacitance value. This high capacitance, along with the low leakage current and low ESR, makes it a very efficient and reliable component.

The 381LX680M250H202 capacitor is also highly durable. It is constructed with a robust housing material and is built to withstand high vibration and shock levels. It also has a long shelf life, typically exceeding 2000 hours, and can be used over a wide temperature range of -25°C to +85°C. Additionally, it features a welded seal, which is designed to prevent the leakage of harmful chemicals and potentially hazardous particles.

In summary, the 381LX680M250H202 is an aluminum electrolytic capacitor that offers excellent performance and reliability in a wide range of applications. Its wide temperature range, low ESR, and high-frequency operation make it suitable for use in power supply designs, DC to DC converters, and LED lighting. Additionally, its robust construction ensures its durability, and its long shelf life makes it a cost-effective solution for a variety of applications. As such, it is an ideal choice for power supply design, energy storage solutions, and other electronic circuit applications.

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