VE13M00400K-- Circuit Protection

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TVS - Varistors, MOVs

VE13M00400K is a common device used in many electrical products. Also known as metal-oxide varistors (MOVs), they are voltage-dependent resistors (VDRs) with a variety of applications in the modern electrical industry. This article aims to explain the various applications of the device and its underlying working principle.

Application field of VE13M00400K
The device is commonly used in many products ranging from street lamps to switchgear cabinet protection. They are effective in addressing transient overvoltage issues in high voltage electrical systems.

Additionally, they are used to dampen EM noise on circuits and protect them from ESD static discharges. This helps ensure the operational efficiency and safety of the equipment. The device is also used as a surge current limiter on AC distribution networks, used when multiple power supplies are connected to one circuit. They reduce the threat of overvoltage and other electrical hazards which can damage the sensitive components of devices.

Working principle of VE13M00400K
At its core, the device is based on the metal-oxide-semiconductor (MOS) structure. The device has a metal oxide film sandwiched between two conducting layers. The molecules in the oxide film are insulated at normal operating voltage, but when a voltage surge occurs, it disrupts the insulation and breaks down the electrical current.

The device then acts as a high conductive path for the electric current and therefore dramatically reduces the voltage levels between two points. This helps reduce the magnitude of the energy of the surge by dissipating it to ground, thus protecting the equipment from damage.

The device is designed to automatically reset itself once the voltage dissipates, thus allowing normal operations to continue. The device is also capable of withstanding high temperatures and can remain operational in temperatures up to 125C for many years. This makes them ideal for high temperature applications.

Conclusion
The VE13M00400K is an essential component in modern electrical products. Its wide range of applications and reliable performance makes it a must-have for many manufacturers. Its ability to effectively protect equipment from damage by suppressing voltage surges makes it one of the most popular voltage suppressors on the market.

Its ease of integration and its small size also make it an attractive choice for designers. Once again, this article has attempted to explain the VE13M00400K’s application field and provide details on its working principle.

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