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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
OptiFusePTC RESET FUSE 72V 1.85A RADIALBulkThrough HoleRS90-40°C ~ 85°C
Littelfuse Inc.PTC RESET FUSE 33V 1.2A RADIALBulkThrough HolePolySwitch®-
Littelfuse Inc.PTC RESET FUSE 33V 1.35A RADIALBulkThrough HolePolySwitch®-
Littelfuse Inc.PTC RESET FUSE 33V 1.9A RADIALBulkThrough HolePolySwitch®-
RTEF120
RTEF120
$0.20
Littelfuse Inc.PTC RESET FUSE 33V 1.2A RADIALBagThrough HolePolySwitch®-
Littelfuse Inc.PTC RESET FUSE 33V 1.2A RADIALTape & Reel (TR)Through HolePolySwitch®-
RTEF135
RTEF135
$0.21
Littelfuse Inc.PTC RESET FUSE 33V 1.35A RADIALBagThrough HolePolySwitch®-
Littelfuse Inc.PTC RESET FUSE 33V 1.35A RADIALTape & Reel (TR)Through HolePolySwitch®-
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