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,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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Mfr. Part No. WS Part No. |
PPTC,SQUARE 13.2MM, 30V 2.5A / Polymeric PTC Resettable Fuse 30V 2.5 A Ih Through Hole Radial, Disc
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465 pieces In Stock |
MOQ: 435 |
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Mfr. Part No. WS Part No. |
PPTC,SQUARE 11MM, 30V 2A / Polymeric PTC Resettable Fuse 30V 2 A Ih Through Hole Radial, Disc
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17,650 pieces In Stock |
MOQ: 430 |
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Mfr. Part No. WS Part No. |
PPTC,SQUARE 9.8MM, 30V 1.85A / Polymeric PTC Resettable Fuse 30V 1.85 A Ih Through Hole Radial, Disc
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22,320 pieces In Stock |
MOQ: 515 |
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Mfr. Part No. WS Part No. |
PPTC,SQUARE 9.5MM, 30V 1.6A / Polymeric PTC Resettable Fuse 30V 1.6 A Ih Through Hole Radial, Disc
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2,520 pieces In Stock |
MOQ: 385 |
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Mfr. Part No. WS Part No. |
PPTC,SQUARE 7.4MM, 30V 1.1A / Polymeric PTC Resettable Fuse 30V 1.1 A Ih Through Hole Radial, Disc
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24,400 pieces In Stock |
MOQ: 435 |
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Mfr. Part No. WS Part No. |
PPTC / Polymeric PTC Resettable Fuse 250V 400 mA Ih Through Hole Radial, Disc
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950 pieces In Stock |
MOQ: 290 |
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Mfr. Part No. WS Part No. |
PPTC / Polymeric PTC Resettable Fuse 250V 600 mA Ih Through Hole Radial, Disc
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6,860 pieces In Stock |
MOQ: 245 |
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Mfr. Part No. WS Part No. |
PPTC,SQUARE 20MM, 250V 0.8A / Polymeric PTC Resettable Fuse 250V 800 mA Ih Through Hole Radial, Disc
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8,100 pieces In Stock |
MOQ: 215 |
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Mfr. Part No. WS Part No. |
PPTC,SQUARE 9.2MM, 30V 1.35A / Polymeric PTC Resettable Fuse 30V 1.35 A Ih Through Hole Radial, Disc
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24,400 pieces In Stock |
MOQ: 555 |
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Mfr. Part No. WS Part No. |
PPTC,DISC 10.5MM, 250V 0.2 A / Polymeric PTC Resettable Fuse 250V 200 mA Ih Through Hole Radial, Disc
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2,500 pieces In Stock |
MOQ: 305 |
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Mfr. Part No. WS Part No. |
PPTC,SQUARE 10.5MM, 250V 0.18A / Polymeric PTC Resettable Fuse 250V 180 mA Ih Through Hole Radial, Disc
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790 pieces In Stock |
MOQ: 320 |
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Mfr. Part No. WS Part No. |
PPTC,SQUARE 7.5MM, 250V 0.145A / Polymeric PTC Resettable Fuse 250V 145 mA Ih Through Hole Radial, Disc
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14,140 pieces In Stock |
MOQ: 450 |
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Mfr. Part No. WS Part No. |
PPTC,SQUARE 7.5MM, 250V 0.145 A / Polymeric PTC Resettable Fuse 250V 145 mA Ih Through Hole Radial, Disc
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2,160 pieces In Stock |
MOQ: 335 |
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Mfr. Part No. WS Part No. |
PPTC,SQUARE 7MM, 250V 0.12A / Polymeric PTC Resettable Fuse 250V 120 mA Ih Through Hole Radial, Disc
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20,800 pieces In Stock |
MOQ: 565 |
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Mfr. Part No. WS Part No. |
PPTC,SQUARE 7MM, 250V 0.12A / Polymeric PTC Resettable Fuse 250V 120 mA Ih Through Hole Radial, Disc
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Low Stock |
MOQ: 590 |
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Mfr. Part No. WS Part No. |
PPTC,SQUARE 7MM, 250V 0.11A / Polymeric PTC Resettable Fuse 250V 110 mA Ih Through Hole Radial, Disc
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Low Stock |
MOQ: 540 |
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Mfr. Part No. WS Part No. |
PPTC,DISC 21.1MM, 250V 1A / Polymeric PTC Resettable Fuse 250V 1 A Ih Through Hole Radial, Disc
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5,970 pieces In Stock |
MOQ: 125 |
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