PTCCL13H451FTC

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PTC (Positive Temperature coefficient) resettable fuses are one type of self-regulating over-current protection devices that utilize a unique Polymer-based composition. These devices incorporate a unique detection mechanism that can detect an overload condition and reduce the current conducting paths (fusing) until the over-current condition has been cleared. The PTC Resettable Fuses are designed to operate within an over-current protection circuit and provide an indication of a fault condition by fusing or breaking the current carrying conductor. Fuses are typically constructed with two conducting elements, one a low resistance path and the other a high resistance path, contained within a polymer matrix.

PTCCL13H451FTC is a PTC (Positive Temperature Coefficient) resettable fuse designed for high current, high power applications. This fuse can handle a large amount of current and provides superior protection against short circuit faults. The fuse is manufactured from a special Polymer-based composition that allows it to self-regulate its current carrying capacity and protect against accidental short circuits. It is also designed to provide surge protection against load-dependent short circuits.

The fuse can be used in a variety of applications, such as motor control, power supplies, telecom systems, and industrial equipment. It is also suitable for AC/DC circuits with current rating up to 30A (32V) and AC circuits with current rating up to 6A (240V). The fast-acting characteristic of the fuse allows it to respond quickly to an overcurrent situation and effectively provides over-current protection by fusing or breaking the current-carrying conductor.

The working principle of PTCCL13H451FTC is rooted in the electrical behavior of Polymers-based materials, which exhibit a unique Positive Temperature Coefficient (PTC) when subjected to increasing temperatures. Under normal operating conditions, the material is at a “low temperature” and conducts current as any material does. However, when a specified current limit is exceeded, the material will begin to heat up due to its self-regulating characteristics. As the material heats up, its resistance increases, which in turn reduces the current passing through it. The material will then remain at a higher temperature, which keeps its resistivity high and current at a lower level until the fault condition is corrected.

The PTCCL13H451FTC is a resettable fuse with a number of advantages, including fast response time, robust operation, and superior protection against short-circuit faults. It is designed for high current, high-power applications and can be used in a variety of applications. The fast-acting characteristic of the fuse ensures reliable protection against over-current faults and allows for prompt response to faults, which in turn provides better protection in the event of a fault.

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