EKMQ401VSN391MQ50S

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Aluminum electrolytic capacitors are an important type of electrical component. These capacitors store electrical energy in the form of an electric field between two plates. The capacitor can be charged and discharged almost instantaneously, making them a valuable tool for many applications. EKMQ401VSN391MQ50S capacitors are one type of aluminum electrolytic capacitors. Here, we will discuss their application field and working principle.

The EKMQ401VSN391MQ50S capacitor is a popular choice for high precision applications because of its low leakage current, low impedance, and large capacitance. It is typically used in power supply designs and filtration circuits like SMPS (switch mode power supply) circuits. It also finds application in control boards, DC-DC converters, switching power supplies, and electronic power tools. It is especially good at handling high frequencies and high voltage. The high pulse capability is an excellent feature of this capacitor, making it suitable for power circuits, audio coupling, and signal separation.

The EKMQ401VSN391MQ50S capacitor features a solid polypropylene dielectric which provides superior insulation, allowing it to operate at high temperatures without affecting its performance. The fully-sealed construction also helps to minimize leakage and to improve the capacitor\'s lifetime. Additionally, the capacitor\'s cylindrical shape ensures that it can be easily mounted in tight areas.

As for the capacitor\'s working principle, electrolytic capacitors work similarly to non-electrolytic or regular capacitors; that is, electric current is stored in the device, forming an electric field between two conductors separated by an insulating material. Unlike regular capacitors, however, electrolytic capacitors rely on an electrolyte solution to act as the insulating material. This electrolyte solution is usually composed of an eutectic mixture of propylene carbonate and potassium hydroxide (propylene carbonate-KOH).

The electric field, or excess of electrons, is created by the ionized molecules in the electrolyte solution in response to a voltage applied to the capacitor. This excess of electrons forms a conductive bridge between the two conductors that allows the electric charge to flow through them. This electric current continues to flow until the capacitance of the device is fully charged or discharged, allowing the capacitor to store electrical energy until it needs to be released. This makes the electrolytic capacitor an excellent storage device for high frequency and high voltage applications.

In conclusion, the EKMQ401VSN391MQ50S capacitor is an excellent choice for high precision applications due to its high capacitance, low leakage current and low impedance. It is typically used in power supply designs and filtration circuits like SMPS and DC-DC converters, as well as for signal separation. Its working principle is based on electrolytic capacitors that rely on an electrolyte solution to act as the insulating material, creating an electric field that allows electric charge to flow through the capacitor, thus storing the energy until it needs to be released.

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