B41041A4228M

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are widely used electronic components. They are passive components used in most electronic circuits. They are used for energy storage, decoupling, and filtering. They are used for both AC and DC voltage applications. They consist of two electrodes, dielectric material, and electrolyte. The dielectric is an insulating layer between the two electrodes. The electrolyte provides the necessary ions for the electrochemical reaction between the electrodes. Aluminum electrolytic capacitors are divided into two main types: surface mount and through-hole.

B41041A4228M Application Field and Working Principle

The B41041A4228M is an aluminum electrolytic capacitor from the Vishay BC components series. This capacitor is a surface mount type, with maximum working voltage of 200V and capacitance range of 4.7-200 μF. The capacitance values are available in 6.3V, 10V, 16V and 25V. The B41041A4228M has a wide operating temperature range of -55 to +125 °C. The package size is small, ideal for high-density mounting and is available in non-polar or bipolar designs.

The working principle behind aluminum electrolytic capacitors is based on electrical double-layer formed by two immiscible electrolytic solutions. An electrical double-layer means that an electric potential is generated on the surface of an insoluble electrode when two immiscible electrolytes are present. This electrical potential causes ions in the electrolyte to be attracted to the top of the electrode. The surface of the electrode acts as a medium for the double-layer to store electrical energy which can then be released when the capacitor is discharged.

Typical applications for the B41041A4228M include voltage-controlled oscillators, RF matching circuits, pulse transformers, power supplies, and AC and DC converters. The capacitor can also be used as a reservoir to smooth out fluctuations in DC voltage. The capacitor has a low ESR and ESL making it an ideal choice for high-frequency switching circuits, medical applications, and military projects.

The B41041A4228M is designed to be of low profile and high heat radiation for maximum stability. An epoxy resin body helps protect the lead frame from oxidation. The self-healing electrolyte is designed for extended time-life without significantly increasing the size of the capacitor. The capacitor also features snap-in fitting terminals for easy mounting into PCBs. The terminals also provide superior performance in reducing electrical noise and vibration.

In summary, the B41041A4228M aluminum electrolytic capacitor is an ideal choice for a wide variety of applications due to its superior performance and long life. Its small size and durability make it a popular choice for high-density mounting. Its extended temperature range makes it suitable for most environment settings and its snap-in fitting terminals provide excellent noise and vibration reduction.

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