SMQ250VS681M22X45T2

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Aluminum electrolytic capacitors are widely used in many areas such as power supply, filters, rectification, and noise elimination. The SMQ250VS681M22X45T2 is one of the most popular types of these capacitors and is used in a variety of applications. This article will provide an overview of the application fields and working principles of the SMQ250VS681M22X45T2.

Description

The SMQ250VS681M22X45T2 is a cylindrical aluminum electrolytic capacitor featuring a voltage rating of 160V, a capacitance value of 25mF and a capacitance tolerance of ±20%. It comes in a ±25% working temperature range and has a rated ripple current of 4.80A. The SMQ250VS681M22X45T2 has a temperature rating of 105°C, a height of 45mm, a length of 22mm, and a width of 10.9mm. It also has a high reliability and long life due to its high temperature rating and low equivalent series resistances.

Application Fields

The SMQ250VS681M22X45T2 is used in a variety of applications due to its versatility and reliability. Its capacitance value and tolerance make it suitable for various electronics applications such as power supply, decoupling, bypass, and energy storage. It can also be used in lightning Surge Absorbers, EMI/EMC filters, rectifiers, voltage regulators, and switching power supplies. In addition, it is ideal for high frequency switching power supply, motherboard applications, communications, optoelectronics, and consumer electronics.

Working Principle

The SMQ250VS681M22X45T2 works by storing energy in the form of a static electrical charge within an electrolyte-filled cylinder. The capacitor is polarized, meaning it must be connected with the correct orientation of the leads in order for it to function correctly. When the voltage between the two leads is increased, ions in the electrolyte move to the anode, creating a layer of concentrated ions near the surface of the anode. This creates an electric field, which attracts the electrons (negatively charged particles) from the cathode and further increases the potential between the two leads.

When the capacitor is discharged, the electrostatic energy stored within the capacitor is released and the electric field between the two leads decreases. This causes the ions in the electrolyte to move towards the cathode, thereby Zeroing out the potential between the two leads. Thus, the energy stored in the capacitor is released and the capacitance decreases.

Conclusion

The SMQ250VS681M22X45T2 is a high-quality aluminum electrolytic capacitor that is used in many different applications. It is highly reliable due to its high temperature rating and low equivalent series resistances. It is suitable for many different applications such as power supply, decoupling, lighting surge absorbers, EMI/EMC filters, rectifiers, voltage regulators, and switching power supplies. Furthermore, the working principle of the SMQ250VS681 is based on the movement of ions in the electrolyte between the anode and cathode, which creates an electric field and stores energy in the form of a static charge.

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