PTGL05AR550H4P51B0

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PTC Resettable Fuses, also known as polymeric positive temperature coefficient (PPTC) fuses, are an integrated circuit component that stops a circuit\'s conduction of electricity when it senses a current higher than normal operations. The high current that is applied causes the fuse to reset itself, thus preventing over-current. The PPTC fuses provide an extra level of protection by automatically resetting the circuit to a safe state after an over-current or short-circuit event has occurred.

The PTGL05AR550H4P51B0 PTC Resettable Fuse is a surface mount device designed and manufactured by Eaton Corporation. The fuse is certified to meet the safety requirements of UL/CSA and IEC/ EN standards, ensuring reliable circuit protection for a wide variety of applications. The fuse features a polymeric positive temperature coefficient (PPTC) element, a radial leaded design with axial termination, and an automatic resetting fuse that will reset itself after tripping.

The PTGL05AR550H4P51B0 PTC Resettable Fuse is suitable for use in a wide range of applications, including lighting, automotive, power supplies, telecommunications, general electronic equipment, and consumer electronic equipment. The fuse operates within a wide ambient temperature range of -40 degrees Celsius to +85 degrees Celsius. The fuse can withstand a maximum current of 5 Amps and has a rated voltage of 250 volts.

The working principle of the PTGL05AR550H4P51B0 PTC Resettable Fuse involves two stages. In the first stage, the PTC device will act like a normal thermistor – it will have a low resistance when the current is low and a high resistance when the current is high. In the second stage, when the current passes a certain point (the “trip point”), the PTC device will act like a fuse by creating an open circuit, thus stopping the current from flowing. After the over-current has subsided, the PTC device will reset itself back to its original state, thus providing a safe level of protection against future over-current events.

The PTGL05AR550H4P51B0 PTC Resettable Fuse is a reliable and cost-effective solution for circuit protection in a wide range of applications. The fuse has been designed to provide reliable performance and a long service life, ensuring the safety of both the connected devices and the users. The fuse is UL, CSA, and IEC/EN approved, making it a safe and cost-effective option for applications requiring PTC resettable fuses.

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