400MXG390MEFCSN30X40

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Aluminum electrolytic capacitors are a type of polarized capacitor. Aluminum electrolytic capacitors are widely used across a range of consumer and industrial applications including power supplies, audio equipment, lighting, automotive and many other applications. The 400MXG390MEFCSN30X40 is a type of aluminum electrolytic capacitor, commonly known as a snap-in capacitor. It is a snap-in type capacitor with snap-in terminals on the top and bottom of the can for mounting.

Application Field

Snap-in aluminum electrolytic capacitors are designed for computer, medical, military, telecom switchgear and automotive applications. The 400MXG390MEFCSN30X40 is a great example of a capacitor designed for demanding conditions, including operation in extreme temperatures, high vibrations and shock scenarios. This type of capacitor is suitable for switching power supplies, frequency inverters, as well as other high-reliability applications.

Working Principle

Aluminum electrolytic capacitors work on a principle of electrolyte reactance. The effect of reactance produces a large capacitance for the device compared to other capacitors in its size. Snap-in aluminum electrolytic capacitors work by using their snap-in terminals to form a connection between the two plates. The two plates are separated by an electrolyte, usually a chemical compound such as sulfuric acid or boron trifluoride in an inert liquid form. The chemical compounds help to produce an electrically conductive bridge between the plates, allowing current to flow. The capacitance of the capacitor is determined by the surface area of the electrodes, the distance between them and the thickness of the electrolyte.

Aluminum electrolytic capacitors work on a principle of electrochemical reactance, in which the electrons move through the electrolyte and produce a reactance to the current flow. This reactance, or electrical resistance, reduces the amount of current that can flow through the capacitor, creating an electrical potential difference between the two plates and thus creating a voltage drop. As the voltage drop produced is proportional to the reactance of the electrolyte, the capacitance of an electrolytic capacitor is determined by the capacitance ratio of the electrolyte, the dielectric constant of the material and the gap between the two plates.

Conclusion

The 400MXG390MEFCSN30X40 is a type of aluminum electrolytic capacitor and is suitable for applications operating in demanding conditions. These capacitors utilize the principle of electrochemical reactance and the capacitance of the device determined by the capacitance ratio of the electrolyte, the dielectric constant of the material and the gap between the two plates. They are widely used across a range of consumer and industrial applications and form an important part of power supplies, audio equipment, lighting, automotive and many other applications.

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