PTGL7SAS3R3K3B51B0

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PTC Resettable Fuses, also known as polymeric positive temperature coefficient (PPTC) fuses, are small, self-resetting protective devices designed to help protect electrical components from over-current and short circuit conditions caused by accidental contact with other wires, components, animals, liquids or overloads. The technology was created at the University of Michigan in 1973 as a safe way to protect consumer electronics such as household appliances. These fuses offer an easily reset, low-cost solution to electrical safety problems.

The basic structure of a PTC resettable fuse consists of a polymer-filled bladder that is prone to thermal expansion and contraction as current flow through the wires increases. As current levels rise above a predetermined level, the temperature of the material within the bladder expands, reducing the cross-sectional area and creating a resistance to current flow. This resistance rapidly increases, reducing the current flowing through the device and protecting the attached components from damage.

The PTGL7SAS3R3K3B51B0 resettable fuse is specifically designed as a protective solution for high-powered automotive applications. It features a temperature coefficient of -1.12 %/ C with a maximum current of 900 A @ 25 ºC ambient temperature for a fuse time of 10s at 10 x rated current. This makes it suitable for electrical systems that require a high-current, quick-acting protective device. Additionally, the fuse features a short circuit current ratings of up to 68kA, a low voltage drop of 0.1V, and a maximum voltage of 30V.

When an unexpected current surge occurs, the PTGL7SAS3R3K3B51B0 resettable fuse automatically activates, reducing the current flow and protecting the attached electronic components from damage. It also deactivates and resets itself after the problem has been addressed, allowing the circuit to restore its original level of operation. This makes the resettable fuse with optimum for applications that require secure, safe and fast protection from power fluctuations.

The PTGL7SAS3R3K3B51B0 resettable fuse is suitable for use in a wide range of automotive, industrial and commercial applications. For automotive applications, it is ideal for protecting sensitive electronic components, including ECUs, sensors, and wiring, from unexpected surges. It is also suitable for use in industrial equipment such as machinery, electric motors, and air conditioning and HVAC systems. Additionally, the fuse is suitable for use in commercial applications such as PCs, telecommunication systems, and other electrical enclosures.

Overall, the PTGL7SAS3R3K3B51B0 resettable fuse is a safe, secure, and reliable way to protect electrical components from unexpected surges and prevent damage. It is suitable for use in a wide range of automotive, industrial, and commercial applications, making it a popular choice for those in need of an effective and efficient protective solution.

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