YPBJ0055T

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PTC Resettable Fuses are incredibly versatile devices that are used in a variety of applications. They are also known as polymeric positive temperature coefficient (PPTC) or polyswitch devices, and play a critical role in protecting electrical appliances and circuits from overloads or faults. YPBJ0055T is one of the most popular types of resettable fuse, and is widely used for a variety of applications, from consumer electronics to industrial grade products.

The YPBJ0055T PTC resettable fuse has a rated current of 0.5A and a rated voltage of 110V, which means it is suitable for protecting low voltage circuits. It is made from a thermoplastic material that acts as a temperature sensitive switch that opens when the device over-temperature reaches its set point. This allows the device to automatically reset and protect the circuit, without having to replace the fuse. YPBJ0055T also features excellent isolation and a low temperature coefficient.

The working principle of the YPBJ0055T PTC resettable fuse is relatively simple. When the device is not actively in use, it is in an off state. As the current goes beyond the rated current, the temperature of the thermoplastic material increases and eventually reaches its set temperature, which is usually between 68°C and 82°C. At that point the fuse will trip and cut off the electricity, protecting the device from any further current.

Once the fuse has tripped, the device has to be reset in order to return to its active state. This is done by reducing the temperature of the device, either by cooling it down or by removing the current. Once the device has cooled sufficiently, it will return to its off state and the electricity will resume.

The YPBJ0055T PTC resettable fuse has a variety of applications, including consumer electronics, automotive equipment, medical devices, and industrial machines. It is often used in applications that require protection from a sudden over-current surge, such as an automotive starter motor. It can also be used in place of traditional fuses for low-voltage circuits, as it will automatically reset if the temperature reaches its set point. The YPBJ0055T is also often used in medical devices that require both the power and the safety of a resettable fuse.

Overall, the YPBJ0055T PTC resettable fuse is an incredibly versatile device that is suitable for a wide range of applications. It offers both high protection and easy resetting functionality, making it ideal for low voltage circuits. Its thermoplastic construction helps to keep its temperature coefficient low, while its low rated current ensures that it is suitable for small consumer electronics as well as high-powered industrial equipment.

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