B41828A6477M

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Introduction to Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are a type of capacitor that uses an electrolytic solution to store electric charge. They are also referred to as electrolytic capacitors, aluminum oxide capacitors, or liquid electrolyte capacitors. Aluminum electrolytic capacitors are used in a variety of applications, including power electronics, consumer electronics, automotive and avionic electronics, medical devices, and industrial automation and control systems.

B41828A6477M Application Field and Working Principle

The B41828A6477M aluminum electrolytic capacitor is a product of United Chemi-Con, a leading manufacturer of electrolytic capacitors. It is an extended life, long life radial capacitor suitable for a variety of applications. It features an extended life of >2,000 hours at +105°C, long-life (up to 5,000 hours), safe at high temperatures (up to +125°C), and excellent temperature characteristics (-40°C~+105°C).

The B41828A6477M Radial Aluminum Electrolytic Capacitor offers excellent stability over time, with a low ESL (Equivalent Series Resistance) and ESR (Equivalent Series Resistance) value, as well as robust mechanical and electrical strength. It is able to operate in a wide temperature range and offers low electrical leakage current. The capacitor is dimensionally stable and features high ripple current capability. It also offers low leakage current and good surge performance.

The B41828A6477M aluminum electrolytic capacitor is a versatile device that is used in applications such as alternative energy, test and measurement, solar inverters, automotive systems, computing and communication, medical equipment, industrial automation, and consumer electronics. It is a radial capacitor ideally suited for high reliability applications such as automotive systems, precision instrumentation, and process control. The capacitor is rated at 4.7 microfarads to 470 microfarads with a working voltage of 6.3 to 500 volts.

Aluminum electrolytic capacitors generally consist of two electrodes, or an anode and a cathode, immersed in an electrolyte. The anode is typically made from pure aluminum and the cathode is either a conductive coated metal or an edge-wound aluminum foil. The electrolyte typically consists of boric acid, sulfuric acid, or other acids. Electron movement is initiated when a voltage is applied across the electrodes, causing a charge to travel from the anode, through the electrolyte, to the cathode.

The B41828A6477M aluminum electrolytic capacitor utilizes an aluminum oxide (Al2O3) layer on the anode as dielectric, which increases its ability to withstand high temperatures. Aluminum oxide is more resistant to heat than solid electrolyte. The Al2O3 layer also provides better frequency characteristics than solid electrolytes. The capacitor also features a low ESR (equivalent series resistance) and low ESL (Equivalent Series Inductance) values, which improve stability and reduce noise.

In summary, the B41828A6477M aluminum electrolytic capacitor is a long life, extended life, radial capacitor suitable for a variety of applications including automotive systems, alternative energy, test and measurement, solar inverters, computing and communication, medical equipment, industrial automation, and consumer electronics. It features an extended life of >2,000 hours at +105°C, low ESR and ESL values, robust mechanical and electrical strength, and excellent temperature characteristics for reliable, low-noise operations.

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