B41890A7157M

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Aluminum Electrolytic Capacitors

Aluminum electrolytic capacitors are a type of capacitor used in electrical engineering and they have many different applications, from filtering in radios and audio equipment to providing power to relays and motors. The B41890A7157M belongs to this class of capacitors.

B41890A7157M General Features

The B41890A7157M aluminum electrolytic capacitor is designed for high-frequency performance and features a low equivalent series resistance. It is also designed to provide high capacitance and excellent reliability for long-term use in demanding environments. The nominal voltage is 450VAC and the capacitance range is 470–820μF, making it a great choice for power supplies and other large capacity applications.

Typical Applications

The B41890A7157M is ideal for use in various industrial applications, including:

• Power supply circuits
• Large capacity switching loops
• High voltage rectifier circuits
• Filter circuits
• Energy supply systems

Working Principle

The B41890A7157M works by storing electrical charge between two electrodes which are separated by an electrolyte. The electrodes are made from aluminum foil which is rolled and then treated with an electrolyte. This process creates an insulating barrier between the two electrodes and this is what constitutes the capacitance of the capacitor. When a voltage is applied, electrons are attracted to the anode and a current flows. This current creates a charge distribution which stores energy in the capacitor.

When the voltage is removed, the current reverses and the capacitor will dissipate its stored energy. This process is known as discharging and is the basis for many applications of this type of capacitor. The capacitance and voltage rating of the B41890A7157M make it ideal for high-frequency applications.

Safety Considerations

When working with aluminum electrolytic capacitors, it is important to use caution as they can present significant safety risks. In particular, these capacitors contain a high level of stored energy which can cause a fire or electric shock if mishandled. For this reason, it is important to follow the safety instructions provided by the manufacturer and always observe proper safety procedures when handling this type of capacitor.

In summary, the B41890A7157M aluminum electrolytic capacitor is a reliable, high-performing capacitance device suitable for use in large capacity applications such as power supplies and high voltage rectifier circuits. This capacitor is safe to use in most situations, but caution must be taken to ensure that proper safety procedures are observed when handling them.

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