B41858C6188M000

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Aluminum Electrolytic Capacitors (AECs) are widely used in all kinds of electronic components. They are used in many applications due to their high energy storage, low cost, and easy capacity control. B41858C6188M000 is one of the most popular aluminum electrolytic capacitors in current use. It is a cylindrical type especially designed for RFI/EMI suppression purposes. The capacitor uses a solid aluminum oxide dielectric in combination with a highly conductive electrolyte. The construction also includes hydrophobic material to protect the capacitor from environmental extremes.

The standard design of the B41858C6188M000 includes a thermally bonded medium-to-high voltage aluminum-based structure with two terminal pins. It is a catalyst-formulated, double-anode type construction, with an internal construction consisting of an electrolytic substrate and a solid, conductive electrolyte layer. It consists of a surface-etched and pre-etched aluminum can, filled with an electrolyte-impregnated porous separator material, respectively. The capacitor also features an electrical compensation anode to maintain an even current distribution. This helps to ensure that the capacitor supports a wide operating temperature range and helps to contribute to its long service life.

The main application of the B41858C6188M000 is for RFI/EMI suppression. The capacitor has a very high ESR (equivalent series resistance) and high self-healing behavior. As a result, it is the perfect capacitor for use as an electromagnetic interference (EMI) filter capacitor — used to suppress unwanted or interfering signal components in electronic components and systems. The high ESR and self-healing characteristics make this device ideal for use in power supplies, surge suppressors, and voltage regulators, as well as in other kinds of systems with low inherent impedance.

The B41858C6188M000’s working principle is based on couples of properties known as capacitance and dielectric. The capacitor can store electrical energy in the form of an electric field between its two conducting plates. The dielectric material — the Aluminum Oxide — determines the amount of energy the capacitor can store. The aluminum case of the capacitor helps to ensure that the capacitor meets the operating temperature requirements and helps to extend its service life. Additionally, the double-anode construction of the capacitor helps to maintain an even current distribution, resulting in a more uniform electric field and better energy storage. The catalyst-formulated electrolyte also helps to maintain the stability of the capacitor over its extended service life.

In conclusion, the B41858C6188M000 is a popular aluminum electrolytic capacitor due to its robust construction and wide application field. It is ideal for use as an EMI filter due to its high ESR and self-healing behaviour, and it is well-suited for use in power supplies, surge suppressors, and more. The capacitor’s working principle is based on the properties of capacitance and dielectric, in order to store and release electrical energy.

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