PTC Resettable Fuses, also known as polymeric positive temperature coefficient (PPTC) devices, play a critical role in circuit protection. These fuses allow for automatic reset after an overcurrent event, providing a reusable solution that reduces downtime and maintenance costs.
Commonly used in consumer electronics, automotive, and telecommunications, PTC resettable fuses limit current by increasing resistance when an overcurrent occurs, thereby protecting sensitive components from damage. Once the fault is cleared, the resistance decreases, allowing the circuit to resume normal operation.
Manufacturers like Littelfuse, Bel Fuse, and TE Connectivity offer a range of PTC resettable fuses designed to meet various voltage and current requirements. These versatile and reliable fuses ensure continuous protection and operational efficiency for a multitude of electronic applications.
| Select | Images | Part Number | Mfr | Description | Datasheet | Availability | Price | Qty | RFQ | Rohs | ECAD Model |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 6V 100MA 0402 / Polymeric PTC Resettable Fuse 6V 100 mA Ih Surface Mount 0402 (1005 Metric), Concave
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20,000 pieces In Stock |
MOQ: 180 |
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Mfr. Part No. WS Part No. |
PTC Resettable Fuse 0.25A(hold) 0.86A(trip) 250VDC 3A 2W 6s 1Ohm SMD Solder Pad 17.6 X 11.2 X 11.7mm T/R / POLYSWITCH 250V 250MA HOLD SMD
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3,600 pieces In Stock |
MOQ: 4 |
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Mfr. Part No. WS Part No. |
POLYSWITCH PTC RESET 0.08A SMD
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22,800 pieces In Stock |
MOQ: 55 |
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Mfr. Part No. WS Part No. |
POLYSWITCH PTC RESET 0.13A SMD
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68,800 pieces In Stock |
MOQ: 35 |
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Mfr. Part No. WS Part No. |
POLYSWITCH PTC RESET 0.15A HOLD
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85,000 pieces In Stock |
MOQ: 85 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 250V 160MA RADIAL / Polymeric PTC Resettable Fuse 250V (600V Int) 160 mA Ih Through Hole Radial, Disc
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100 pieces In Stock |
MOQ: 30 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 60V 400MA RADIAL
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15,000 pieces In Stock |
MOQ: 60 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 60V 120MA RADIAL / Polymeric PTC Resettable Fuse 60V (250V Int) 120 mA Ih Through Hole Radial, Disc
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Low Stock |
MOQ: 45 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 16V 500MA 1210 / Polymeric PTC Resettable Fuse 16V 500 mA Ih Surface Mount 1210 (3225 Metric), Concave
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4,000 pieces In Stock |
MOQ: 175 |
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Mfr. Part No. WS Part No. |
PolySwitch Resettable Device Short Form Catalog
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1,588 pieces In Stock |
MOQ: 45 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 72V 2.5A RADIAL
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Low Stock |
MOQ: 1 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 72V 2.5A RADIAL
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Low Stock |
MOQ: 1 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 72V 1.85A RADIAL
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Low Stock |
MOQ: 1 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 72V 1.85A RADIAL
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Low Stock |
MOQ: 1 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 60V 300MA RADIAL
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Low Stock |
MOQ: 1 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 60V 300MA RADIAL
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Low Stock |
MOQ: 1 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 60V 170MA RADIAL
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Low Stock |
MOQ: 1 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 60V 170MA RADIAL
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Low Stock |
MOQ: 1 |
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Mfr. Part No. WS Part No. |
PTC RESETBL 6V 1206 1.10A LOW-R
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8,000 pieces In Stock |
MOQ: 45 |
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Mfr. Part No. WS Part No. |
POLYSWITCH RESET .2A 24V SMD
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30,000 pieces In Stock |
MOQ: 610 |
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