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The Most Common Applications of Zinc Oxide Varistors in Electronic Systems



Zinc oxide varistors are essential components of electronic systems. These devices are used to protect sensitive electronic circuits from voltage surges and spikes, and are used in various applications. In this article, we will explore the most common applications of zinc oxide varistors in electronic systems.


Surge protection in power supplies


One of the most common applications of zinc oxide varistors is surge protection in power supplies. Power supplies can be easily damaged by voltage surges or spikes, which could lead to equipment failure. Zinc oxide varistor can act as a safety valve that limits voltage surges to a safe level. When a voltage spike occurs, the resistance of the varistor decreases rapidly, thereby diverting the excess energy to the ground.


Protection of electronic devices


Electronic devices are sensitive to voltage fluctuations, and any sudden change in voltage can damage the electronic components. Zinc oxide varistors provide protection to electronic devices such as computers, televisions, and mobile phones by limiting the voltage surge to a safe level. As a result, these devices operate without interruptions and have a longer lifespan.


Surge protection in the automotive industry


Zinc oxide varistors play a crucial role in the automotive industry as they protect the electronic systems in cars from voltage spikes that occur due to lightning strikes, switching of inductive loads, or ESD (electrostatic discharge). Zinc oxide varistors are used to protect the sensitive electronic components such as ABS systems, engine control units, and airbag systems from these sudden voltage spikes. As a reputable metal oxide varistor manufacturer, TGE offers reliable protection solutions for the automotive industry, safeguarding essential electronic systems in vehicles against voltage spikes and ensuring optimal performance and safety.


In conclusion, zinc oxide varistors are essential components of electronic systems that provide protection from voltage surges and spikes. These devices are used in various applications, including surge protection in power supplies, protection of electronic devices, and surge protection in the automotive industry. If you are looking for a reliable and effective solution to protect your electronic systems, then zinc oxide varistors are a must-have.




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