SMD1812P110TSA/16

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PTC resettable fuses are a type of fuse that has become increasingly popular to provide over-current protection for a variety of applications. The SMD1812P110TSA/16 is a PTC (positive temperature coefficient) resettable fuse specifically designed to provide over-current protection in power supplies, LED lighting systems, and other electronic circuits. The following will discuss the application field and working principle of the SMD1812P110TSA/16.

Application Field: The SMD1812P110TSA/16 is primarily used in AC/DC power supplies, LED lighting systems, and other applications where over-current protection is a concern. It is designed to adequately protect against over-current without needed annual maintenance or having to reset the fuse manually every time it has been tripped due to an over-current event. Such functionality is ideal for applications where the user cannot be present at all times to reset the fuse. In addition, the SMD1812P110TSA/16 is also UL and CUL recognized, further adding to its versatility in application.

Working Principle: The SMD1812P110TSA/16 uses a PTC (positive temperature coefficient) technology for operating over-current protection. This technology works by utilizing a precise resistance value which, when an over-current event occurs, will cause the internal temperature of the fuse to quickly rise. As the temperature rises, so will the resistance value increase, causing the circuit to become protected. Once the over-current event is removed, the fuse will cool down and reset itself, allowing for normal circuit operation.

The SMD1812P110TSA/16 also features a low power design that offers advantages over typical PTC resettable fuses. For example, the low power operation of the SMD1812P110TSA/16 allows the user to be assured that if there is a low-level of over-current detected, the fuse will not unnecessarily interrupt circuit operation significantly faster than other resettable fuse types. This helps to minimize the length of any circuit outage and offers greater protection from damage to the circuit components.

In addition, the SMD1812P110TSA/16 is designed to operate with a latching manual reset feature, meaning that once the over-current has been removed, the manual reset requires the user to physically “trip” the fuse in order for it to reset itself. This helps to ensure that the circuit is not accidentally reset and that the fuse remains tripped until the user manually trip it via the latching manual reset.

Finally, the SMD1812P110TSA/16 features an advanced construction that offers both reliable and repeatable functionality. The fuse is designed using a robust dielectric layer which absorbs and dissipates heat quickly, offering greater over-current protection than a traditional fuse. The spring construction also helps to reduce power consumption and increase repeatability, making it an ideal solution for applications that require long-term reliability.

The SMD1812P110TSA/16 is an ideal PTC resettable fuse for AC/DC power supplies, LED lighting systems, and other electronic circuit applications. Its low power operation, latching manual reset, and robust design make it a great choice for over-current protection and reliability.

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