MF-R250-AP-10

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PTC Resettable Fuses are a versatile and innovativeoverload protection device technology, specifically designed for protecting electrical circuits. The MF-R250-AP-10 model is one type of a PTC Resettable Fuses designed to provide reliable overload protection when over-current conditions are encountered on a circuit.

The MF-R250-AP-10 resettable fuse has an integrated thermal block, making it suitable for self-regulating heaters, solid state relays, transformers, LED drivers, and other applications. This type of PTC fuse can detect over-currents and is designed to immediately trip off the circuit when they occur, providing safe operation. The device can then be reset to a safe condition when the overload condition has been removed and the appliance has cooled.

The MF-R250-AP-10 PTC Resettable Fuse has a variety of applications, such as protecting USB ports from damage due to a high current draw, protecting communications ports from damage, and providing reliable overload protection for HVAC systems. This type of fuse is also used in domestic appliances, such as washing machines, refrigerators, air conditioners, and other similar equipment.

The working principle behind the MF-R250-AP-10 is based on the principle of a positive temperature coefficient (PTC) thermistor. This thermistor works based on the principle of resistance. As the current flow through the thermistor increases, the temperature of the thermistor also rises, leading to increased resistance. When an over-current condition is detected, the thermistor rapidly heats up, causing the internal switch to trip and cutting off the power supply.

This PTC resettable fuse is available in different current ratings, ranging from 250mA to 2A and can operate within a temperature range of -40°C to 85°C. It also has a wide voltage range of 5V to 24V, making it suitable for various electrical circuits.

The MF-R250-AP-10 PTC Resettable Fuse is a reliable and cost-effective overload protection device, offering a versatile protection solution for a wide array of applications. It offers short-circuit protection, accurate current measurement, a wide operating temperature range, and is able to reset easily once the overload condition has been removed. This type of PTC resettable fuse is well-suited for HVAC, LED driver, and other circuit protection applications.

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