PTR060V0017-TR

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PTC Resettable Fuses, also known as Polymeric Positive Temperature Coefficient (PPTC) resettable fuses, are a unique type of fuse that can be reset after being triggered. In comparison to traditional fuses, PPTC Resettable Fuses offer a number of advantages, including:

• They can be reset automatically, saving time and labour costs, and avoiding the need for replacement
• They are highly reliable and resistant to temperature and vibration
• High breaking capacity, often times more than a traditional fuse
• Good current-carrying capabilities, with low voltage drop across the fuse
• Fast trip time and low hold current

The PTR060V0017-TR is one particular model of PPTC Resettable Fuse. It is a surface mountable fuse with a rated current of 0.33A. This model has a quick trip time of 4 ms and a hold current of 1.2 mA. These parameters make the fuse suitable for a variety of applications including automobiles, consumer electronics, telecommunications, medical, and industrial control.

The PTR060V0017-TR works on the principle that when the current passing through it exceeds a certain threshold, the internal temperature of the fuse will increase and cause a chemical reaction resulting in an increase of its internal impedance. This in turn will cause the current passing through the fuse to drop until the resistance becomes to great and the fuse is effectively ‘tripped’. This reaction takes place very quickly, typically in a few hundred milliseconds, making it highly suitable for over-current protection in fast changing applications.

The ‘Resettable’ part of the PTR060V0017-TR’s function comes into play when the current running through the fuse drops below the holding current, typically 1.2 mA. It is at this point that the chemical reaction that takes place inside the fuse will reverse itself and the internal impedance will decrease, allowing current to flow through the fuse again. This resetting element makes it possible to use the same PTC resettable fuse over and over again as needed.

In conclusion, the PTR060V0017-TR is a highly reliable and cost-effective PPTC Resettable Fuse suitable for a number of different applications. Its fast trip time and low hold current make it suitable for protecting against over-current and other fast changing scenarios. Furthermore, its resettable function makes it an ideal choice for applications where a traditional fuse would need to be replaced repeatedly.

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