72R050XPR

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PTC Resettable Fuses are among the most popular safety components used in electronic circuits. A PTC Resettable Fuse, or polymeric positive temperature coefficient (PPTC) resettable fuse, is a non-blast type of fuse that works by releasing heat when the current exceeds the rated amperage. When the current is reduced, the temperature of the fuse drops, allowing the fuse to reset itself. This type of fuse is commonly used in a variety of applications, ranging from consumer electronics to industrial equipment.

The 72R050XPR is a type of PTC Resettable Fuse. It has a rated current of 0.5A and a rated voltage of 32V. The operating temperature range for the 72R050XPR is between -55°C and 125°C. It is UL listed, which ensures that it meets stringent safety and quality standards. The 72R050XPR is suitable for a wide variety of applications. It is specifically designed for use as a circuit breaker in small electronic equipment, such as cell phones, computers, and medical devices. It can also be used on printed circuit boards and as a general purpose fuse.

The working principle of the 72R050XPR is based on the principle of polymer positive temperature coefficient (PPTC). The fuse consists of a strip of conductive polymer material that is coated with Nickel-cadmium (Ni-Cd). When the current passing through the fuse exceeds its rated value, due to an overload or short circuit, the temperature of the polymer increases. This leads to a decrease in the conductivity of the polymer, which in turn causes the resistance of the fuse to increase. This increased resistance causes the fuse to heat up further, resulting in a decrease in the current passing through the fuse and the voltage across it. The increase in temperature also results in the fuse breaking down, allowing current to dissipate as heat energy.

The 72R050XPR is a highly reliable and versatile fuse that is suitable for a wide range of applications. Its superior thermal stability helps to ensure that it can handle sudden or prolonged surges of current, and its low power consumption also helps to make it energy efficient. Additionally, its wide operating temperature range means that it can be used in both indoor and outdoor environments. In conclusion, the 72R050XPR is an effective and reliable safety component, making it an ideal choice for use in a wide variety of electronic circuits.

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