1210L300SLYR Circuit Protection

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PTC resettable fuses are something relatively new, even though they have been around since the late 1960s. They provide a reliable solution to protect electrical and electronic circuits by replacing bulky and inefficient fuses that have to be replaced or serviced after every breakage.The 1210L300Slyr is a low-resistance PTC (positive temperature coefficient) fuse designed to protect electronic circuits from excessive current. Its primary function is to prevent short circuits, inrush currents, and excessive overloads in power supplies, battery packs, circuit boards, and many other electrical and electronic applications.This particular resettable fuse has a few distinct features that make it particularly suitable for many applications. Firstly, it has a large contact area that ensures a low-resistance voltage drop. This makes 1210L300Slyr suitable for high-current loads, such as those found in heavy-duty machinery and electric vehicles.Secondly, it is designed to be mounted on a circuit board, which makes it ideal for PCB integration. The slim profile and pre-wired terminals make installation and replacement quick and easy. Furthermore, the 1210L300Slyr has a wide operating temperature range, from -40 to +110 degrees Celsius, so it can be used in nearly any type of environment.This type of PTC resettable fuse works on the principle of stored energy: when the fuse is activated, it instantly absorbs energy from the circuit as current passes through it. This energy is then stored in the fuse and dissipated as heat. Over time, the fuse reaches a predetermined temperature, which causes it to enter a safe state known as ‘trip’. The fuse then cools down and enters a reset state, allowing current to pass through again.The 1210L300Slyr is a highly reliable and cost-effective solution for protecting electronic circuits. Its wide operating temperature range, low resistance, fast response time, and high current-handling capabilities make it suitable for a wide variety of applications, from batteries and power supplies to consumer electronics and industrial equipment. It is also easy to install and replace, and its powerful design ensures maximum protection for a variety of circuits.

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