YQS8067

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PTC Resettable Fuses, or Polymeric Positive Temperature Coefficients, are used in modern electrical systems to protect against short circuiting, current surges, and overheating. The YQS8067 is one such PTC Resettable Fuse, and it is used in a wide variety of applications. In this article, we will explore the YQS8067’s application field and working principle.

The YQS8067 is a type of resettable fuse that consists of a polymer material sandwiched between two electrodes. When the desired current rating is exceeded, the current passes through the polymer through a process known as Joule’s Law. This process will heat the material, and when the temperature reaches a certain threshold, its resistance increases exponentially, creating an open circuit and reducing the current flow. When the circuit cools, the resistance returns to its original state and the original current flow resumes.

The YQS8067 is designed to be used in a wide variety of applications. Its most common applications include consumer products, computers, medical devices, industrial equipment, and automotive applications. For example, in consumer products, the YQS8067 is used to protect circuits from overvoltage and over current, prevent short circuits, and even prevent accidental electrocution. It is also commonly used in computers to prevent device malfunctioning and overheating. Additionally, it is used in medical devices and industrial equipment to protect against extreme temperatures and current surges.

The working principle of the YQS8067 is fairly straightforward. When the current is below the desired limit, the polymer material in the fuse will remain in its low resistance state and allow the current to pass through. If the current rises to a higher than desired limit, the material will heat up and its resistance will increase exponentially. This will create an open circuit situation, reducing the current to a safe level. Once the temperature drops, the resistance of the polymer material will return to its original state.

The YQS8067 is a useful device for protecting electrical circuits from dangerous currents and temperatures. Its wide range of applications and reliable working principle make it a great choice for a variety of applications. Its resettable capacity makes it a cost-effective solution for applications that require regular monitoring and protection.

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