PTGL07AS1R8K2B51A0

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PTC Resettable Fuses are a type of over-current protection devices that helps with the safety of electrical components. They are quite helpful as they are able to provide a level of protection against accidental over-currents, short circuits, and thermal runaway due to their resettable nature. The PTGL07AS1R8K2B51A0 is one such PTC Resettable Fuse. In this article, we will discuss the application field and working principle of this particular type of PTC Resettable Fuse.

When it comes to the application field of the PTGL07AS1R8K2B51A0, it is mainly used to protect electronic and electrical devices against over-currents and short circuits. This type of fuse is specially designed to protect electrical circuits like LEDs, DC motors, relays, etc. from any sudden and unexpected surge in current. It is also used in applications such as USB ports, printers, scanners, AC adapters, data storage devices, etc., and is mainly used in environments where accidental over-currents may occur. The PTGL07AS1R8K2B51A0 is also quite popular in Raspberry Pi projects.

The PTGL07AS1R8K2B51A0 also offers several unique features that make it a great choice for many applications. For starters, this type of fuse supports a wide range of current ratings from 0.04A to 5A. It also comes with a high temperature rating of 125℃ (257℉), making it an especially good choice for applications that involve high temperatures. In addition, the PTGL07AS1R8K2B51A0 is also able to withstand voltage levels ranging from 5V DC to 24V DC, making it suitable for a wide range of different applications.

As for its working principle, the PTGL07AS1R8K2B51A0 has a built-in Polymer Positive Temperature Coefficient (PPTC) element, which is responsible for regulating the amount of current flowing through it. The PPTC element is able to detect the amount of current flowing through the fuse and if that amount exceeds its prescribed limits, it will cause the PPTC element to activate and start to self-regulate. This self-regulation process will force the current to reduce and eventually stop altogether, thus preventing any damage to the device being protected.

In some cases, the PPTC element may not be able to reduce the current to zero and will then initiate the re-setting of the fuse. To do this, the user will simply have to press the reset button which is usually located on the side or the bottom of the fuse. This will cause the PPTC element to reset as well, restoring the flow of current back to the normal state.

The PTGL07AS1R8K2B51A0 PTC Resettable Fuse is a great option for a wide range of applications, as it is able to provide a level of protection against accidental over-currents, short circuits, and thermal runaway. In addition, its wide range of current and voltage ratings make it suitable for a variety of different devices and environments. Moreover, its efficient working principle makes it a reliable option for any kind of application.

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