PTC Resettable Fuses

PTC Resettable Fuses are designed to stop current flow when it exceeds a certain limit (overcurrent protection). The Fuses work by increasing its resistance as its temperature rises due to the current increase. The trip current ranges from 14 mA to 50 A with the Time to trip ranging from 8 ms to 90 s. PTC = Positive Temperature Coefficient.

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Select products	Mfr	Description	Package	Supplier Device Package	Mounting Type	Series	Operating Temperature
YQS5751PTO $1.65	Amphenol Advanced Sensors (Thermometrics)	PTC RESET FUSE 25V RADIAL DISC	Bulk		Through Hole	PTO	10°C ~ 55°C
YQS5814 $1.39	Amphenol Advanced Sensors (Thermometrics)	PTC RESET FUSE	Bulk		-	YQ	-
YQS5838PTF $1.76	Amphenol Advanced Sensors (Thermometrics)	PTC RESET FUSE 18V 140MA RADIAL	Bulk		Through Hole	PTF	10°C ~ 55°C
YQS5846PTF $1.12	Amphenol Advanced Sensors (Thermometrics)	PTC RESET FUSE 25V 370MA RADIAL	Bulk		Through Hole	PTF	10°C ~ 55°C
YQS5855PTF $2.93	Amphenol Advanced Sensors (Thermometrics)	PTC RESET FUSE 50V 80MA RADIAL	Bulk		Through Hole	PTF	10°C ~ 55°C
YQS5868PTF	Amphenol Advanced Sensors (Thermometrics)	PTC RESET FUSE 120V 80MA RADIAL	Bulk		Through Hole	PTF	10°C ~ 55°C
YQS5876PTF $4.22	Amphenol Advanced Sensors (Thermometrics)	PTC RESET FUSE 240V 100MA RADIAL	Bulk		Through Hole	PTF	10°C ~ 55°C
YQS5878PTF $4.24	Amphenol Advanced Sensors (Thermometrics)	PTC RESET FUSE 240V 45MA RADIAL	Bulk		Through Hole	PTF	10°C ~ 55°C