PTC Resettable Fuses

PTC Resettable Fuses, also known as Polymeric Positive Temperature Coefficient devices, are a type of overcurrent protection component. They are designed to protect electronic circuits by increasing their resistance when excessive current flows through them, thus limiting further current to a safe level. Unlike traditional fuses, which must be replaced after one-time use, PTC fuses can reset themselves once the overcurrent condition ceases and normal circuit conditions are restored. This makes them invaluable in applications where frequent fuse replacement would be impractical or costly.

These components are commonly utilized in various consumer electronics, automotive circuits, and battery packs, where they help prevent damage caused by overcurrents and short circuits. The main characteristics of PTC Resettable Fuses include their self-resetting capability, durability, and cost-effectiveness in protecting electronic components. Major manufacturers of PTC Resettable Fuses include companies like Littelfuse, Bourns, and TE Connectivity, among others.

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Manufacturer
Description
Inquiry
PTC RESETTABLE 60V 250MA RADIAL
RFQ
PTC RESETTABLE 72V .200A RADIAL
RFQ
FUSE PTC RESET
RFQ
POLYSWITCH PTC RESET 1.55A
RFQ
FUSE PTC RESET
RFQ
FUSE PTC RESET
RFQ
POLYSWITCH 0.50A RESET FUSE SMD
RFQ
POLYSWITCH PTC RESET 1A HOLD
RFQ
POLYSWITCH PTC RESET 6.5A
RFQ
POLYSWITCH PTC RESET 0.75A AMMO
RFQ
FUSE PTC RESET 350MA SMD 0603
RFQ
POLYSWITCH PTC RESET 0.65A AMMO
RFQ
PTC RESETTABLE SMD 1812 33V .75A
RFQ
PTC RESETTABLE SMD 1812 24V .75A
RFQ
POLYSWITCH PTC RESET 1.6A
RFQ
PTC RESETTABLE SMD 1812 8V 1.1A
RFQ
POLYSWITCH RXE SERIES 0.20A
RFQ
FUSE PTC RESETTABLE SMD
RFQ
POLYSWITCH PTC RESET 0.5A AMMO
RFQ
POLYSWITCH PTC RESET 0.75A AMMO
RFQ
POLYSWITCH PTC RESET 1.35A
RFQ
POLYSWITCH PTC RESET 0.65A
RFQ
PTC RESETTABLE SMD 1812 6V 3.0A
RFQ
POLYSWITCH PTC RESET 0.50A
RFQ
POLYSWITCH PTC RESET 0.4A AMMO
RFQ
POLYSWITCH PTC RESET 0.9A
RFQ
POLYSWITCH RXE SERIES 0.40A
RFQ
PTC RESETTABLE SMD 1812 24V 1.5A
RFQ
POLYSWITCH PTC RESET 0.3A AMMO
RFQ
FUSE RESETTABLE AXIAL
RFQ
 
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