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PTC Resettable Fuses

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 productsMfrDescriptionPackageSupplier Device PackageMounting TypeSeriesOperating Temperature
Littelfuse Inc.PTC RESET FUSE 60V 145MA RADIALBulkThrough HolePolySwitch®-
Littelfuse Inc.PTC RESET FUSE 250V 145MA RADIALBulkThrough HolePolySwitch®-40°C ~ 85°C
Littelfuse Inc.PTC RESET FUSE 180MA RADIALBulkThrough HolePolySwitch®-
Littelfuse Inc.PTC RESET FUSE 60V 150MA RADIALBulkThrough HolePolySwitch®, TR600-
Littelfuse Inc.PTC RESET FUSE RADIAL DISCBulkThrough HolePolySwitch®, TR600-
Littelfuse Inc.PTC RESET FUSE 250V 150MA RADIALBagThrough HolePolySwitch®, TR600-40°C ~ 85°C
Littelfuse Inc.PTC RESET FUSE 250V 150MA RADIALTape & Reel (TR),Cut Tape (CT)Through HolePolySwitch®, TR600-40°C ~ 85°C
Littelfuse Inc.PTC RESET FUSE RADIAL DISCBagThrough HolePolySwitch®, TR600-
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