B43858A2107M000

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Aluminum electrolytic capacitors are the most widely used type of capacitors in the electronics industry. Originally developed in the early 1930s, they are still the dominant type of capacitor used in most consumer electronics today.

The B43858A2107M000 capacitor is a general purpose, aluminum electrolytic capacitor with a capacitance value of 2.1 µF and a voltage rating of 400 VDC. It is a radial leaded can-type capacitor with a snap-in terminal configuration.

The application field for B43858A2107M000 capacitors include switching power supplies, audio video equipment, radio receivers, measuring instruments, medical device, telecommunications equipment, and other commercial or industrial applications. Because of their low cost and reliability, they are also often used in consumer products.

The working principle of aluminum electrolytic capacitors is based on the mobility of ions through an electrolyte solution. A thin layer of oxide on the aluminum foil acts as a dielectric that separates the anode from the cathode. When a voltage is applied across the capacitor, electrons flow from the anode to the cathode, creating a charge imbalance. This imbalance causes ions from the electrolyte solution to travel to the cathode, resulting in the formation of a “charge storage”.

The double electric layers formed on the anode and cathode surfaces by virtue of the transfer of electrons allow for a higher capacitance value than other types of electrolytic capacitors. This is because the electric field extends into the electrolyte, allowing for a higher charge storage capacity. The dielectric that is formed from the oxide also provides insulation between the electrodes, while simultaneously allowing the charge to flow across the capacitor.

The B43858A2107M000 capacitor is reliable and cost-effective. It can be used for a wide variety of applications, from consumer electronics to complex industrial and medical systems. Its working principle is based on the mobility of ions and the formation of double-layers, providing a higher capacitance value than other types of capacitors.

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