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 RADIALTape & Reel (TR)Through HolePolySwitch®, TRF250-40°C ~ 85°C
Littelfuse Inc.PTC RESET FUSE 60V 145MA RADIALBagThrough HolePolySwitch®, TRF250-40°C ~ 85°C
TRF250-145T
TRF250-145T
$0.84000
Littelfuse Inc.PTC RESET FUSE 60V 145MA RADIALBagThrough HolePolySwitch®, TRF250-40°C ~ 85°C
Littelfuse Inc.PTC RESET FUSE 60V 145MA RADIALTape & Reel (TR),Cut Tape (CT)Through HolePolySwitch®, TRF250-40°C ~ 85°C
Littelfuse Inc.PTC RESET FUSE 60V 145MA RADIALBagThrough HolePolySwitch®, TRF250-40°C ~ 85°C
TRF250-145U
TRF250-145U
$0.77000
Littelfuse Inc.PTC RESET FUSE 60V 145MA RADIALBagThrough HolePolySwitch®, TRF250-40°C ~ 85°C
TRF250-145US
TRF250-145US
$0.77000
Littelfuse Inc.PTC RESET FUSE 60V 145MA RADIALBagThrough HolePolySwitch®, TRF250-40°C ~ 85°C
Littelfuse Inc.PTC RESET FUSE 60V 145MA RADIALBagThrough HolePolySwitch®, TRF250-40°C ~ 85°C
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