LGR2W181MELC35

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Aluminum electrolytic capacitors, commonly referred to as an electrolytic capacitor or simply an electrolytic, are one of the most widely used types of capacitors. They are commonly used in power supplies, smoothing filter circuits and DC-DC converters but can also be found in many other electronic circuits. The LGR2W181MELC35 is an aluminum electrolytic capacitor, specifically designed for use in high temperature applications ranging from -55℃ to +105℃.

The LGR2W181MELC35 is a low ESR (Equivalent Series Resistance) capacitor with a rated capacitance of 181µF, a rated voltage of 25v, an ESR of 0.22 ohms and an operating temperature range of -55℃ to +105℃. It is a radial-leaded aluminum electrolytic capacitor with snap-in terminals designed for high temperature applications and can handle a high ripple current. The snap-in terminals make installation simple and the capacitor’s high temperature rating means it can be used in extreme environments.

Aluminum electrolytic capacitors are constructed from three parts: an aluminum can, a metalized aluminum foil, and an electrolyte. The aluminum can serves as the negative terminal of the capacitor and is filled with the electrolyte. The metalized aluminum foil serves as the positive terminal of the capacitor. When current flows through the capacitor, electrons are attracted to the positive terminal, forming a charge on the foil and causing the capacitor to store electrical energy.

The electrolytic medium in the LGR2W181MELC35 is a radiator electrolyte, which is typically a solution of electrolytes and active chemicals. This solution is designed to increase the electrical conductivity of the aluminum can and the capacitance of the capacitor. This medium also increases the ESR of the capacitor, which is why the LGR2W181MELC35 has such a low ESR.

The most common application of the LGR2W181MELC35 is in high temperature environments, such as in power supplies, switching power converters and DC-DC converters. They are particularly useful in automotive and aviation applications where high temperature rating is critical. As they are designed to handle high current and high temperatures, they are also often used in power circuits and amplifier circuits.

The LGR2W181MELC35 is designed for high reliability in operation and long-term durability. It has a long rated life and a low leakage current, making it suitable for continuous operation. This aluminum electrolytic capacitor is also RoHS compliant and AEC-Q200 compliant, indicating it meets the strictest standards for performance, quality and reliability.

In conclusion, the LGR2W181MELC35 is a high-performance aluminum electrolytic capacitor designed for use in high temperature applications ranging from -55℃ to +105℃. It is constructed from three parts: an aluminum can, a metalized aluminum foil, and an electrolyte. The electrolyte increases the electrical conductivity of the aluminum can and the capacitance of the capacitor, and the high temperature rating makes it suitable for a variety of applications including automotive, aviation, power supplies and amplifiers.

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