72R040XPR

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PTC Resettable Fuses are one of the common types of fuses used today. These devices offer circuit protection with the added benefit of being able to be reset when needed. The 72R040XPR is a type of PTC Resettable Fuses that has a wide range of applications and applications include low-voltage DC output power supplies, industrial and consumer electronic products, robotics, portable equipment and other applications.

The 72R040XPR PTC Resettable Fuse is a polymeric PTC thermistor device with a wide current rating range of 0.4 to 10 Amp and a low voltage rating range of 5 to 40 VDC. The 72R040XPR features fast response and high-accuracy current limiting with solid-state reliability, and its design eliminates the long time lag associated with older thermal fuses.

The working principle of the 72R040XPR comes from its Polymeric Positive Temperature Coefficient (PPTC) thermistor, which is designed to provide reliable current limiting when the current flowing through it reaches a certain level. When the current reaches the limit designated by the rating of the device, it will start to increase its resistance, effectively limiting the current flow and protecting the circuit.

The device is designed to automatically reset itself once the current drops to a safe level and the heat dissipates, so it can be used multiple times. The 72R040XPR PTC Resettable Fuse offers a variety of benefits including fast response time, low residual voltage, low power consumption, and a wide temperature rating of -40°C to 85°C.

The 72R040XPR PTC Resettable Fuse is suitable for a wide range of applications including LED lighting, household appliances, automotive electronics, telecommunications, consumer electronics, and industrial electronics. It is specifically designed to protect electronic circuits from damage due to overcurrent conditions such as short circuits and high levels of current inrush.

The 72R040XPR is easy to install and provides reliable protection against overcurrent conditions while its polymeric design ensures good operating life, low cost, and a more reliable alternative to thermal fuses. Its low-voltage operation also makes it suitable for applications in which the power supply is low-voltage DC.

The 72R040XPR PTC Resettable Fuse is an ideal solution for applications that require protection against overcurrents. Its wide current rating range, low voltage rating, fast response time, and wide temperature rating make it suitable for a wide range of applications.

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