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 0805, 6V 0.5A, REEL 7"
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279,556 pieces In Stock |
MOQ: 2925 |
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Mfr. Part No. WS Part No. |
PPTC SMD 0805, 6V 0.35A, REEL 7" / Polymeric PTC Resettable Fuse 6V 350 mA Ih Surface Mount 0805 (2012 Metric), Concave
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13,000 pieces In Stock |
MOQ: 2605 |
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Mfr. Part No. WS Part No. |
POLYMERIC PTC RESETTABLE FUSE SU / Polymeric PTC Resettable Fuse 9V 200 mA Ih Surface Mount 0805 (2012 Metric), Concave
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86,530 pieces In Stock |
MOQ: 2660 |
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Mfr. Part No. WS Part No. |
PPTC SMD 0805, 15V 0.1A, REEL 7"
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199,500 pieces In Stock |
MOQ: 2605 |
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Mfr. Part No. WS Part No. |
POLYMERIC PTC RESETTABLE FUSE SU / Polymeric PTC Resettable Fuse 6V 350 mA Ih Surface Mount 0603 (1608 Metric), Concave
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9,200 pieces In Stock |
MOQ: 895 |
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Mfr. Part No. WS Part No. |
PPTC SMD 0603, 15V 0.1A, REEL 7" / Polymeric PTC Resettable Fuse 15V 100 mA Ih Surface Mount 0603 (1608 Metric), Concave
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37,559 pieces In Stock |
MOQ: 870 |
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Mfr. Part No. WS Part No. |
PPTC SMD 0603, 24V 0.04A, REEL 7 / Polymeric PTC Resettable Fuse 24V 40 mA Ih Surface Mount 0603 (1608 Metric), Concave
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8,070 pieces In Stock |
MOQ: 715 |
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Mfr. Part No. WS Part No. |
PPTC,DISC 21.6MM, 60V 2.5A / Polymeric PTC Resettable Fuse 60V 2.5 A Ih Through Hole Radial, Disc
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1,000 pieces In Stock |
MOQ: 245 |
Need to verify |
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Mfr. Part No. WS Part No. |
PPTC,DISC 17.5MM, 60V 1.85A / Polymeric PTC Resettable Fuse 60V 1.85 A Ih Through Hole Radial, Disc
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470 pieces In Stock |
MOQ: 275 |
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Mfr. Part No. WS Part No. |
PPTC,DISC 7.4MM, 60V 0.3A / Polymeric PTC Resettable Fuse 60V 300 mA Ih Through Hole Radial, Disc
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Low Stock |
MOQ: 620 |
Need to verify |
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Mfr. Part No. WS Part No. |
PPTC,DISC 7.4MM, 60V 0.2 A / Polymeric PTC Resettable Fuse 60V 200 mA Ih Through Hole Radial, Disc
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2,820 pieces In Stock |
MOQ: 695 |
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Mfr. Part No. WS Part No. |
PPTC,DISC 7.4MM, 60V 0.17A / Polymeric PTC Resettable Fuse 60V 170 mA Ih Through Hole Radial, Disc
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1,010 pieces In Stock |
MOQ: 560 |
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Mfr. Part No. WS Part No. |
PPTC,SQUARE 15MM, 600V 0.16A / Polymeric PTC Resettable Fuse 500V 160 mA Ih Through Hole Radial, Disc
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Low Stock |
MOQ: 145 |
Need to verify |
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Mfr. Part No. WS Part No. |
PPTC,SQUARE 15MM, 600V 0.15A / Polymeric PTC Resettable Fuse 500V 150 mA Ih Through Hole Radial, Disc
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1,000 pieces In Stock |
MOQ: 135 |
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Mfr. Part No. WS Part No. |
PPTC,SQUARE 15MM, 600V 0.11A / Polymeric PTC Resettable Fuse 500V 110 mA Ih Through Hole Radial, Disc
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1,040 pieces In Stock |
MOQ: 130 |
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Mfr. Part No. WS Part No. |
PPTC,DISC 6MM, 60V 0.05A / Polymeric PTC Resettable Fuse 60V 50 mA Ih Through Hole Radial, Disc
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20,270 pieces In Stock |
MOQ: 625 |
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Mfr. Part No. WS Part No. |
PPTC,SQUARE 24.3MM, 30V 9A / Polymeric PTC Resettable Fuse 30V 9 A Ih Through Hole Radial, Disc
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5,150 pieces In Stock |
MOQ: 165 |
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Mfr. Part No. WS Part No. |
PPTC,SQUARE 17.5MM, 30V 6A / Polymeric PTC Resettable Fuse 30V 6 A Ih Through Hole Radial, Disc
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9,800 pieces In Stock |
MOQ: 230 |
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Mfr. Part No. WS Part No. |
PPTC,SQUARE 14MM, 30V 5A / Polymeric PTC Resettable Fuse 30V 5 A Ih Through Hole Radial, Disc
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10,000 pieces In Stock |
MOQ: 295 |
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Mfr. Part No. WS Part No. |
GDT / Polymeric PTC Resettable Fuse 30V 3 A Ih Through Hole Radial, Disc
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7,115 pieces In Stock |
MOQ: 385 |
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