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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 14A 16V RADBulkThrough HolePolySwitch®, AHRL-40°C ~ 125°C
Littelfuse Inc.PTC RESET FUSE 15A 16V RADBulkThrough HolePolySwitch®, AHRL-40°C ~ 125°C
AHRL350
AHRL350
$0.83
Littelfuse Inc.PTC RESET FUSE 3.5A 16V RADBulkThrough HolePolySwitch®, AHRL-40°C ~ 125°C
AHRL400
AHRL400
$0.79
Littelfuse Inc.PTC RESET FUSE 4A 16V RADBulkThrough HolePolySwitch®, AHRL-40°C ~ 125°C
AHRL450
AHRL450
$0.86
Littelfuse Inc.PTC RESET FUSE 4.5A 16V RADBulkThrough HolePolySwitch®, AHRL-40°C ~ 125°C
AHRL500
AHRL500
$0.90
Littelfuse Inc.PTC RESET FUSE 5A 16V RADBulkThrough HolePolySwitch®, AHRL-40°C ~ 125°C
AHRL550
AHRL550
$0.90
Littelfuse Inc.PTC RESET FUSE 5.5A 16V RADBulkThrough HolePolySwitch®, AHRL-40°C ~ 125°C
AHRL600
AHRL600
$0.83
Littelfuse Inc.PTC RESET FUSE 6A 16V RADBulkThrough HolePolySwitch®, AHRL-40°C ~ 125°C
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