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. |
PPTC SMD 1812, 8V 1.5A, REEL 7" / Polymeric PTC Resettable Fuse 8V 1.5 A Ih Surface Mount 1812 (4532 Metric), Concave
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3,015 pieces In Stock |
MOQ: 1000 |
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Mfr. Part No. WS Part No. |
POLYMERIC PTC RESETTABLE FUSE SU / Polymeric PTC Resettable Fuse 12V 1.5 A Ih Surface Mount 1812 (4532 Metric), Concave
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1,990 pieces In Stock |
MOQ: 645 |
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Mfr. Part No. WS Part No. |
PTC RESETTABLE 1.5A 6V 1812
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40,000 pieces In Stock |
MOQ: 915 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 32V 3A RADIAL / Polymeric PTC Resettable Fuse 32V 3 A Ih Through Hole Radial, Disc
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3,000 pieces In Stock |
MOQ: 100 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 16V 750MA 1206 / Polymeric PTC Resettable Fuse 16V 750 mA Ih Surface Mount 1206 (3216 Metric), Concave
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2,183 pieces In Stock |
MOQ: 190 |
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Mfr. Part No. WS Part No. |
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35,310 pieces In Stock |
MOQ: 895 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 220V 65MA RADIAL
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89 pieces In Stock |
MOQ: 55 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 220V 65MA RADIAL
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89 pieces In Stock |
MOQ: 55 |
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Mfr. Part No. WS Part No. |
RESETTABLE FUSE - SMD, 1812 SIZE
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6,095 pieces In Stock |
MOQ: 615 |
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Mfr. Part No. WS Part No. |
RESETTABLE FUSE - SMD, 0805 SIZE / PTC Resettable Fuse 6V 1 A Ih Surface Mount 0805 (2012 Metric), Concave
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8,916 pieces In Stock |
MOQ: 715 |
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Mfr. Part No. WS Part No. |
RESETTABLE FUSE - SMD, 1812 SIZE
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4,000 pieces In Stock |
MOQ: 655 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 16V 9A RADIAL
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1,000 pieces In Stock |
MOQ: 30 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 16V 9A RADIAL
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1,000 pieces In Stock |
MOQ: 30 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 30V 2.5A RADIAL
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3,000 pieces In Stock |
MOQ: 90 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 30V 2.5A RADIAL
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3,000 pieces In Stock |
MOQ: 90 |
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Mfr. Part No. WS Part No. |
POLYSWITCH 2.0A RESET FUSE SMD
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20,760 pieces In Stock |
MOQ: 495 |
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Mfr. Part No. WS Part No. |
POLYSWITCH RESET 1.5A 12V SMD
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7,220 pieces In Stock |
MOQ: 105 |
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Mfr. Part No. WS Part No. |
POLYSWITCH 1.1A RESET FUSE SMD
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10,000 pieces In Stock |
MOQ: 640 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 30V 300MA 1812
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38,000 pieces In Stock |
MOQ: 415 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 24V 750MA 1812
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3,000 pieces In Stock |
MOQ: 90 |
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