TPL-BC

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Thermal-backed protection limiters (TPLs) are a form of specialty fuse used for circuit protection. These fuses are designed to provide reliable protection against overcurrent or short circuit events in demanding environments. They are used in both industrial and consumer electronic applications where high current protection is a must.The TPL-BC series of TPLs is specifically designed for use on printed circuit boards (PCBs) and features a small footprint, making them an ideal solution for applications with limited space. The device features a thermal switch and an associated thermal fuse that is rated to the same total failure rating (T.F.R) as the standard TPLs. This makes it well-suited for applications where overcurrent/short circuiting could be a problem.The operation of the TPL-BC is based on a series of user-defined parameters. These parameters include an operating temperature range, a maximum safe current, and a fail-safe temperature rating. When the operating temperature reaches the maximum safe current, the thermal switch activates, effectively opening the circuit to prevent further current flow. The thermal fuse is then triggered, permanently deactivating the thermal switch and removing the circuit from the operational range of the TPL-BC.The fail-safe temperature rating of the thermal fuse ensures that the TPL-BC will not cause excessive thermal interference when the device reaches its maximum safe current. This helps to ensure that the device is always within its specified operating temperature range and is able to protect the PCB from high currents. By maintaining a safe maximum temperature, the TPL-BC also helps to ensure that any higher temperature events, such as thermal runaway, are avoided.In addition to providing overcurrent protection, the TPL-BC also helps to reduce electrical noise in the circuit that could lead to interference with other components on the board. This helps to ensure that the device is functioning properly, and that the electronic components on the board are able to perform as intended.Overall, the TPL-BC is an excellent choice for circuit protection applications where high current levels and thermal protection are necessary. Its small footprint and fail-safe temperature rating make it an ideal solution for PCBs and other high-current protection applications. With its fast response time and reliable operation, the TPL-BC is an essential component for any electronic device.

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