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.


Bourns, Inc. CMF-SD50-2

PTC RESET FUSE 230V 90MA 4SMD

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Littelfuse Inc. MINISMDC350LR-2

PTC RESET FUSE 6V 3.5A 1812

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Bourns, Inc. MF-LS100S

PTC RESET FUSE 24V 1A STRAP

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Bourns, Inc. CMF-SDV09-2

PTC RESET FUSE

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Littelfuse Inc. 1210L300SLYR

PTC RESET FUSE 6V 3A 1210

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Littelfuse Inc. RXEF065-2

PTC RESET FUSE 72V 650MA RADIAL

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Littelfuse Inc. RXEF030-2

PTC RESET FUSE 72V 300MA RADIAL

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Littelfuse Inc. RUSBF250-2

PTC RESET FUSE 16V 2.5A RADIAL

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