LNUN7102MSEFBN

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Aluminum electrolytic capacitors are a type of capacitor which uses an electrolytic solution as its dielectric medium. This type of capacitor is highly efficient, robust and can store energy for long periods of time. They are most commonly used in the control of electrical signals and as power supplies for digital and logic circuits. The LNUN7102MSEFBN is an aluminum electrolytic capacitor that features a wide operating temperature range of -55°C to +125°C, an extended low and high temperature range to -75°C to +150°C, and a low impedance of less than 10(mΩ) at +25°C. It also features a high ripple current of up to 5 Amps at +125°C.

The LNUN7102MSEFBN is an axial aluminum electrolytic capacitor which utilizes radial leads for connection onto the mounting substrate. It has an extended operating lifetime of up to 2000 hours at +105°C and features a very low failure rate of less than 0.1%. The capacitor has a capacitance range from 4.7uF to 47uF with a rated working voltage of 10VDC to 450VAC. It has been designed to provide high reliable performance in extreme environments such as high temperatures, humidity, vibration and shock. Its robust construction allows for use in high-temperature environments.

The working principle of an aluminum electrolytic capacitor relies on a combination of electrostatic and electrodynamic forces. An electric current flows between two plates immersed in an electrolytic solution (usually aluminum oxide), forming an electric double layer, which is the equivalent of a capacitor. The upper plate is typically made of aluminum, while the lower plate is typically made of a metal foil (such as copper) which functions as a cathode. The electrolytic solution provides a very high capacitance per unit volume, meaning that a relatively small capacitor can achieve a very large capacitance.

The combination of high capacitance and low series resistance makes aluminum electrolytic capacitors the perfect choice for many high temperature and high frequency circuit designs. Due to their long lifetime and excellent stability, they are often used in switched-mode power supplies, TV circuits, switching DC to DC converters, inverters, medical instrumentation, battery power circuits, and other high temperature applications. Additionally, the LNUN7102MSEFBN aluminum electrolytic capacitor has been designed with an extended low temperature range to ensure reliable performance in extreme environments.

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