B41042A687M

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Aluminum electrolytic capacitors, also known as \'electrolytic capacitors\' and ‘aluminum capacitors’, are polarized capacitors with an anode made of aluminum foil and a cathode made of tantalum or aluminum. They use a liquid electrolyte as the dielectric, and usually have much higher capacitance values than other types of capacitors, making them widely used in electronic devices. The B41042A687M is a radial type aluminum electrolytic capacitor with a long operating life and ripple current capability. It is used in a number of applications such as power supplies, frequency converters, motor drives, and audio equipment.

Application field

The B41042A687M capacitor is a radial type aluminum electrolytic capacitor enabling long operating life and ripple current capability. It is widely used for power supply filtering, including power supplies for industrial, home, or medical electronic equipment. It is also used in motor drives, frequency converters, and audio equipment. The B41042A687M is ideal for applications such as signal and power supply smoothing, energy storage, motor running, and arc suppression, and offers excellent performance in high currents, low impedance, and ultra-low ESR.

Working Principle

The B41042A687M capacitor works according to the principle of an electrolytic capacitor. It consists of two electrodes, an anode and a cathode, insulated from each other by a dielectric. The anode electrode is formed of aluminum foil, and the cathode may be either tantalum or aluminum. The aluminum foil of the anode is coated with a thin layer of oxide that serves as dielectric. The capacitor contains a liquid electrolyte, which serves to provide the ions necessary for the dielectric to function.

The capacitor is charged and discharged by an electric field that passes between the two electrodes. When the capacitor is charged, electric current flows through the liquid electrolyte and forms an oxide layer on the aluminum anode. This oxide layer acts as a dielectric barrier between the positive terminal and the negative terminal. When the capacitor is discharged, the electric field reverses, and the oxide layer is destroyed, which allows the negative and positive charges to mix, producing an electric current.

The B41042A687M capacitor has several advantages over other types of electrolytic capacitors. Its aluminum foil anode is relatively thin, resulting in high capacitance values in small physical packages. Its design also enables it to operate at high temperatures (up to 85 degrees Celsius) and at high ripple current environments, which make it suitable for power supply and frequency converter applications. In addition, its rated voltage is higher than other comparable electrolytic capacitors, meaning that it can be used to handle higher voltages.

The B41042A687M is an excellent choice for a variety of electronics applications. It offers high capacitance values, long operating life, and high ripple current capability, making it ideal for power supplies, frequency converters, motor drives, and audio equipment. Its aluminum foil anode allows for a decrease in physical size while still offering excellent performance, making it an effective and reliable choice for many consumer electronics applications.

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