B41890A4188M

Aluminum electrolytic capacitors, also known as electrolytic capacitors, are a type of capacitor that uses an aluminum foil typically covered with an oxidized layer acting as the anode and a non-polarized electrolytic solution as the cathode. They have large capacitance values compared to most other types and because of this they are commonly used in power supplies and filtering options when large amounts of energy are needed to be stored. B41890A4188M is one such model of an aluminum electrolytic capacitor specialized for applications in the industrial industry, and this article aims to discuss its application fields, the working principle and other aspects.

Field of Application

The B41890A4188M aluminum electrolytic capacitor is specialized for industrial applications and is manufactured by EPCOS, a Siemens Company. This capacitor has a particularly optimized current handling capability which makes it ideal for applications in regulated voltage, power supply and filtering. It can be especially useful in multi-phase power applications. Power supplies and server load regulation circuits also benefit from this capacitor as it has low ESR values. Along with those, it can be used for automotive, networking,consumer electronics and LED lighting applications, among others.

Working Principle

There are two parts to the operation of an aluminum electrolytic capacitor, the anode and cathode. The anode is the component that captures and stores the electrically-charged energy for later use. It consists of an aluminum foil covered with an oxidized layer and covered with a plastic housing. This plastic housing allows for the electrolyte solution that forms the cathode to stay confined within the capacitor. The second part of the capacitor is the cathode, which consists of a non-polarized electrolyte solution, such as an aqueous solution of boric acid, borax, or sulfuric acid.

When current is applied to the capacitor, electrons flow from the anode to the cathode, and form a negative charge on the anode. This charge attracts positively charged particles from the electrolyte solution, which form a positive charge on the cathode. The capacitance, or storage potential, of the capacitor is determined by the area of the aluminum foil and the distance between the two electrodes. The charge stored in the capacitor can then be discharged when the current is removed.

Advantages/Design Aspects

The B41890A4188M aluminum electrolytic capacitor has many advantages compared to other capacitors. For starters, it has a significantly higher capacitance rating in comparison to most other types, making it ideal for applications requiring more energy storage. It also features a lower Equivalent Series Resistance than many other capacitors, which gives it lower power losses and higher efficiencies. Additionally, its optimized SBD technology ensures a long life of the capactor, which can reach a lifespan of 5000hrs at 105°C. As for design aspects, the capacitor has a screw terminal design that allows for easier installation, vibration resistant. Lastly, the capacitor\'s plastic housing acts as an isolation protection against moisture, which ensures a longer lifetime of the capacitor.

Conclusion

To conclude, the B41890A4188M aluminum electrolytic capacitor is a motorized capacitor specialized for industrial applications that offer superior energy storage capabilities, low ESR, immunity to vibration and a long lasting lifetime. It is perfect for applications such as power supplies, server load regulation, filtering, consumer electronics and LED lighting. The capacitor\'s screw terminal design also allows for easy installation and its plastic housing gives it extra insulation protection.