PTCCL05H131ETE

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PTC Resettable Fuses are designed to offer a reliable, resettable protection to circuits against troublesome overloads. Electrically, they consist of two components: a polymeric Positive Temperature Coefficient (PTC) device and a fuse element. The most common type of PTC Resettable Fuses is the PTCCL05H131ETE, which offers durable and efficient protection to computer, consumer electronics, communication and instrumentation circuits. Its application field and working principle are detailed below.

The PTCCL05H131ETE is suitable for over-current protection of circuits used in a wide variety of applications, including DC or AC power lines, household appliances, hand-held power tools, solar protection systems, and automotive circuits. It is designed for medium load current with an operating range of 0.5 A to 13 A and a maximum load voltage of 30 VDC. It is made of flame-retardant PBT housing and is equipped with fuse holder terminals, making it convenient and easy to install in applications.

The working principle of the PTCCL05H131ETE is based on a combination of characteristics of both the fuse element and the PTC element. The fuse element works to protect against short circuits, while the PTC element protects against overloads and inrush currents. The PTC element begins to conduct current at its rated trip current, and its resistance increases sharply when the current goes above that level. This increases the load on the fuse, causing it to blow and disconnect power from the circuit.

The PTCCL05H131ETE is able to reset itself after the fault is cleared, enabling it to avoid the need to replace the fuse after each occurrence of an overload. After the fuse opens, the current flow is diverted through the PTC element, and when the currents return to an acceptable level, the temperatures inside the fuse will also return to normal. The PTC element then quickly cools and returns to its original resistor state, allowing the fuse to be used again.

The PTCCL05H131ETE is designed with an indicator light that illuminates when the fuse is in either an open or closed state. This feature allows users to quickly and easily check the status of the fuse and troubleshoot any problems. The fuse is also designed with a UL 94V-2 rating, which indicates that it is able to suppress any fire caused by an overload.

In summary, the PTCCL05H131ETE is an ideal choice for securing reliable protection against both short circuits and overloads. Its reset capability and indicator light make it easier to troubleshoot problems and keep power availability within a safe range. Regardless of the application, the PTCCL05H131ETE provides efficient, reliable and durable circuit protection.

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