B41828A6475M

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Aluminum electrolytic capacitors are widely used in a variety of fields. One such device, the B41828A6475M from Epcos, is an especially useful product that is employed in numerous applications. This article will address the application field and working principle of the B41828A6475M.

Application Field and General Properties

The B41828A6475M is an aluminum electrolytic capacitor with a large capacitance (470µF) and voltage rating (400V). It is well-suited for filtering, decoupling, or smoothing applications. The device consists of an anode (positive) and cathode (negative) terminals connected to two aluminum foils. These foils are separated by a dielectric (nonconductive) electrolyte material, such as an ionic solution or potassium hydroxide. This dielectric material creates a charge separation between the anode and cathode and imparts capacitance to the device.

The B41828A6475M has a variety of other features that make it a attractive option for use in numerous applications. These features include a low equivalent series resistance (ESR) and long service life, thanks to its hermetically sealed, corrosion-resistant design. Additionally, it is resistant to vibration, shock, and temperature. The device is also RoHS-compliant and UL-approved for safe operation.

Working Principle

At its basic level, the operation of an aluminum electrolytic capacitor begins with the application of an electric potential across its two terminals. This potential charge is transferred to the device’s electrodes, which, in turn, create an electric field within the capacitor’s dielectric material. Here, the field creates a barrier that impedes the flow of electrons from the anode to the cathode and effectively "stores" the electric charge.

When this potential is removed, the stored electrical energy is discharged, producing a current flow. This current is proportional to the applied electric potential and is referred to as electric capacitance. As such, the B41828A6475M’s capacitance is dependent on its construction and changes with the applied voltage.

Conclusion

The B41828A6475M is an aluminum electrolytic capacitor designed for a variety of applications, such as filtering and decoupling. It has an exceptionally large capacitance and voltage rating (470µF and 400V, respectively), a long service life, and numerous other features that make it a reliable and versatile device. It can be used to store and discharge large amounts of electrical energy due to its hermetically sealed design and electrolytic dielectric material. Understanding the application field and working principle of the B41828A6475M helps us to better appreciate its wide-ranging utility in numerous setups.

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