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PTGL09AR1R8H2B51B0 is listed in the Ptc Resettable Fuses range at ChipApex. The manufacturer field lists Murata Electronics. Its product description is PTC RESET FUSE 30V 510MA RADIAL. Review the specifications below when checking this part for your BOM.
The PTGL09AR1R8H2B51B0 is a ceramic PTC thermistor from the POSISTOR PTGL series, designed for overcurrent protection. It features a nominal resistance of 1.8 ohms with a 25% tolerance and a maximum rated current of 3 mA. The component utilizes a radial leaded package suitable for PCB mounting, with physical dimensions of 9.5 mm diameter and 4 mm height. It operates within a temperature range of -10°C to +60°C.
This component is officially listed as End of Life by Murata Electronics. Distribution channels indicate limited or unavailable supply status. Verify current availability directly with authorized distributors before design finalization. Consider obsolescence management strategies due to discontinued manufacturing status.
Select this part only if the 1.8 ohm resistance and 3 mA current rating align precisely with circuit requirements. The narrow operating temperature range of -10°C to +60°C limits suitability for harsh environments. Evaluate alternative available components if broader thermal stability or higher current capacity is necessary.
Part of the POSISTOR PTGL family of ceramic PTC thermistors manufactured by Murata Electronics. These devices are engineered for compact circuit protection applications where self-resetting functionality is required without manual intervention after fault clearance.
No public confirmed substitute part numbers are documented for this specific model.
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