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Aluminum Electrolytic Capacitors

Introduction

LQR2W182MSEGBB aluminum electrolytic capacitors are highly polarized electrochemical devices with a wide range of capacitance values and a wide temperature range. These capacitors use an anode of aluminum foil, a dielectric oxide coating on the anode, and a cathode of carbon based material. They work on the principle that an electric current is produced when a certain voltage is applied between the anode and the cathode.

Application Fields

LQR2W182MSEGBB aluminum electrolytic capacitors are typically used in electronics applications such as power supplies, circuit protection, audio devices, and other high frequency applications. In power supplies, these capacitors are used to filter out Ripple Current which is produced by AC input power. Ripple Current can introduce electrical noise into a system, making it unreliable. In audio devices, these capacitors act as low-pass filters, and in other high frequency applications, they are able to reduce electrical noise.

Working Principle

LQR2W182MSEGBB aluminum electrolytic capacitors work on a basic principle called the “Dielectric Effect”. This effect occurs when an electrical charge is applied to two electrodes separated by a thin dielectric material. This creates a temporary electric field within the dielectric material, which disrupts the structure of the material and results in a capture of an electrical charge within the dielectric material.

The way a capacitor stores energy is that when the electric field within the dielectric material is established, the positive and the negative charges become separated and electrostatic forces are created. These electrostatic forces attract and repel each other, resulting in an electric charge being stored within the dielectric material.

When a voltage is applied across the capacitor, the electrostatic forces will move the stored charge from one electrode to the other and this will then cause a current to flow through the circuit. This current will then force a voltage to establish across the device, and this voltage will be equal to the voltage applied to the capacitor.

Conclusion

LQR2W182MSEGBB aluminum electrolytic capacitors offer a wide range of advantages such as high capacitance, a wide temperature range, and a low leakage current. These capacitors are used in a wide range of applications, and they work on the principle of the Dielectric Effect.

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