HVR250P180CFF

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PTC Resettable Fuses are used as overcurrent protection components that are designed to disconnect electrical power once a specific level of current has been exceeded. The HVR250P180CFF is one such example. This fuse is a total of three parts with an internal polymer Positive Temperature Coefficient (PTC) device, upper and lower terminals and a metal shaft for quick connection. It effectively protects low voltage circuits against short-circuit and overload conditions.

In terms of actual application, the HVR250P180CFF is used for a variety of purposes in different fields. One key area where it is used is in automobiles, where it can help protect against electrical gauges, air conditioners, wiper motors, relays and more. In addition, it can also be used in the domestic setting, for such items as TV sets, refrigerators, washing machine, and other home appliances. In the industrial setting, it can protect against overloads from motors, transformers and other such items.

The working principle of the HVR250P180CFF is relatively simple. When the current rises to the set value, the fuse element will heat up due to Joule heating, eventually reaching the temperature where the iR drop is enough to trigger the PTC device. This allows for a resetting current in the range of 250mA to 1000mA depending on the type and size of device. The tolerance setting of the fuse is 10% higher than the rated resistance. During resetting, the fuse can also be cycling for several times. Once the current falls below the threshold, the device will cool down and be able to repeat the process.

In conclusion, the HVR250P180CFF is a type of PTC Resettable Fuse specifically designed to offer robust protection against overcurrent and overloads in a variety of settings. Its simple yet effective functionality and form factor make it a great choice for applications ranging from cars to home appliances, and it will undoubtedly remain a popular choice for many years to come.

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