MF-RHT050-0

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A PTC Resettable Fuse (PTCR), also known as a “polyfuse” or “fusing resistor,” is a form of fuse used to protect electronic components from overcurrent and overvoltage conditions. One of the more popular PTCR’s is the MF-RHT050-0. This device is an excellent choice for demanding applications in the consumer, automotive, telecommunications, and industrial markets where secondary protection is required. The MF-RHT050-0 provides precise, reliable and fast limit current protection in applications ranging from 10 to 50 volts and up to 50 amps. It can be used to protect circuit boards, motors, power supplies, switches, cables, and more. It is designed to protect against overcurrent and overvoltage conditions, allowing for safe and reliable operation of the application.The MF-RHT050-0 utilizes a PTC Resettable Fuse (PTCR) design. This device consists of a metal case, a thin wire, and a PTC element. The PTC element is made of a semiconductive polymer material and is self-resetting. When exposed to an overcurrent or overvoltage condition, the PTC element will thermally expand, increasing its resistance and limiting current flow to protect the application against an overcurrent condition. The PTCR design of the MF-RHT050-0 guarantees self-resetting protection with minimal disruption to the continuity of the application. The thermal expansion of the PTC element is designed to keep the application running and to prevent damage to the components. Upon returning to a normal current or voltage level, the element will reset itself and return to its original state and size.

The metal case of the MF-RHT050-0 is designed to help dissipate heat and protect the PTC element from corrosion and other external forces. The thin wire is connected to the PTC element and the metal case, allowing current to flow before it is interrupted in the event of an overcurrent or overvoltage situation. The metal case and thin wire also provide mechanical strength and environmental protection to the PTC element.

The MF-RHT050-0 is designed for applications such as consumer electronics, automotive, telecommunications, and industrial markets where secondary protection against overcurrent and overvoltage conditions is critical. It can be used in a variety of applications including LED lighting, telecom infrastructure, and automotive systems. The device is capable of withstanding harsh environmental conditions such as high temperatures, electrical surges, and EMI/RFI noise. The device is UL Recognized, UL1809 Recognized, RoHS Compliant, and is available in a lead-free version.

The MF-RHT050-0 PTC Resettable Fuse provides reliable and fast limit current protection and is a great choice for applications where secondary protection against overcurrent and overvoltage conditions is required. It provides consistent performance with minimal disruption to the continuity of the application and is designed to protect against environmental conditions such as high temperatures, electrical surges, and EMI/RFI noise. The device is UL Recognized and is available in lead-free version. The easy-to-use design, precise current protection, and reliability make it a great choice for a variety of applications.

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