PTGL9SAS1R2K2B51B0

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PTC Resettable Fuses are self-resetting and self-recoverable electronic components that use polymer-based thermosetting materials to protect the electrical system from an overload or a short-circuit. These fuses are designed to offer a current-interrupting capability during an overcurrent event, reset after the fault condition is cleared, and then return to its pre-event state.

The PTGL9SAS1R2K2B51B0 is a polymeric Positive Temperature Coefficient (PTC) resettable fuse product from Littelfuse. This fuse offers high thermal stability, fast response time, and excellent electrical stability in a small package size. The PTGL9SAS1R2K2B51B0 is rated to 125Vdc and two different hold current ratings (2A and 5A).

This PTC resettable fuse can be used in many different types of applications including automotive, home appliances, solar, and other consumer electronics, industrial equipment, communications devices, HVAC systems, and many more. It is a great choice of protection due to its high capacity of overload protection and its fast response time.

The working principle of the PTGL9SAS1R2K2B51B0 resettable fuse is based on the polymer-based material used in its construction. When an overcurrent or short circuit event occurs, the device provides a current-interrupting capability and then it automatically resets after the fault condition is cleared. When the device is reset, the polymer-based material increases its internal resistance, which limits the current and reduces the operating temperature. This prevents damage to the device and helps it to return to its pre-event state.

The PTGL9SAS1R2K2B51B0 resettable fuse provides robust protection against current surges and overcurrent conditions. This product offers a high current-interrupting capability, fast response time, and reliable reset after a fault condition is cleared. It is ideal for a wide range of applications including automotive, solar, home appliances, and consumer electronics, industrial equipment, communications devices, and HVAC systems.

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