1210L200SLYR

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PTC resettable fuses are electrical components that, aside from cutting off power in the event of a short or overload, can be reset or recovered after the fault or overload is cleared. The 1210L200SLYR is an example of such a circuit component and is widely used for a wide range of circuit protection applications. This article will present the working principles, applications and characteristics of the 1210L200SLYR PTC resettable fuse.

Working Principle

The 1210L200SLYR PTC resettable fuse works on the principle of "positive temperature coefficient" or PTC. This means that when the temperature of the fuse element steadily rises as the current flowing through it increases, so does its internal resistance. When the current reaches a predetermined level, the internal resistance of the fuse suddenly rises, causing the current to drop significantly and the resulting heat to disperse, thus protecting the circuitry from overload.

The 1210L200SLYR PTC resettable fuse also features an additional nitride or ceramic layer which is designed to withstand high temperatures and act as a second protection layer for over-current protection. This additional protective layer can also be used to increase the resistance value at high temperatures, providing extra protection when other components in the circuit become overloaded.

Applications

The 1210L200SLYR PTC resettable fuse is suitable for a variety of applications, including embedded systems, industrial automation systems, automotive electronic systems, and consumer electronic products. It is also suitable for any other application where a reliable over-load protection device is needed.

It can be especially useful for applications where high-current surges are expected, as it can help protect the circuit from damage in the event of unexpected surges. Additionally, it can be used in any system where hard wiring is not feasible, as it can easily be replaced in the event of a short or overload without having to dismantle the entire circuit.

Characteristics

The 1210L200SLYR PTC resettable fuse is a low-cost, reliable and efficient way of protecting sensitive circuits from overloads and shorts. It has a wide operating temperature range, reaching as high as 155°C (311°F). It is also very stable, and can be reset simply by turning off the power supply, allowing for a fast recovery after a fault or overload.

In addition, the fuse is RoHS compliant and UL certified, making it safe and reliable for use in any system. It is also relatively small in size, making it suitable for use in tight spaces. Furthermore, it features an integrated design, meaning it has fewer external parts and is therefore easier to install.

Overall, the 1210L200SLYR PTC resettable fuse is an effective and reliable circuit protection component, capable of safeguarding sensitive equipment against over-currents and shorts. Its low-cost and compact design make it suitable for a wide range of applications, and its stability, wide operating temperature range and UL certification make it a reliable choice for any circuit protection needs.

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