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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 15V 1.75A STRAPBulkUser DefinedPolySwitch®-
Littelfuse Inc.PTC RESET FUSE 15V 1.75A STRAPBulkUser DefinedPolySwitch®, SRP-40°C ~ 85°C
SRP200
SRP200
$0.24
Littelfuse Inc.PTC RESET FUSE 30V 2A STRAPBulkUser DefinedPolySwitch®, SRP-40°C ~ 85°C
SRP200F
SRP200F
$0.77
Littelfuse Inc.PTC RESET FUSE 30V 2A STRAPBulkUser DefinedPolySwitch®, SRP-40°C ~ 85°C
SRP350
SRP350
$0.25
Littelfuse Inc.PTC RESET FUSE 30V 3.5A STRAPBulkUser DefinedPolySwitch®, SRP-40°C ~ 85°C
Littelfuse Inc.POLYSWITCH PTC RESET 3.5A STRAPBulkHolderPolySwitch®-40°C ~ 85°C
SRP350F
SRP350F
$0.77
Littelfuse Inc.PTC RESET FUSE 30V 3.5A STRAPBulkUser DefinedPolySwitch®, SRP-40°C ~ 85°C
SRP420
SRP420
$0.26
Littelfuse Inc.PTC RESET FUSE 30V 4.2A STRAPBulkUser DefinedPolySwitch®, SRP-40°C ~ 85°C
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