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. |
Polymer PTC 0.5A Resettable Fuse / Polymeric PTC Resettable Fuse 6V 500 mA Ih Surface Mount 0805 (2012 Metric), Concave
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Low Stock |
MOQ: 1 |
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Mfr. Part No. WS Part No. |
Polymer PTC 1.0A Resettable Fuse
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Low Stock |
MOQ: 1 |
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Mfr. Part No. WS Part No. |
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Low Stock |
MOQ: 880 |
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Mfr. Part No. WS Part No. |
Ceramic PTC Resettable Fuse 160V 250 mA Ih Through Hole Radial, Disc
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6 pieces |
MOQ: 0 |
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Mfr. Part No. WS Part No. |
Ceramic PTC Resettable Fuse 160V 70 mA Ih Through Hole Radial, Disc
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6 pieces |
MOQ: 0 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 30V 3A RADIAL
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1,120 pieces In Stock |
MOQ: 65 |
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Mfr. Part No. WS Part No. |
THERMISTOR PTC 140V 5.6 OHM 120C
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Low Stock |
MOQ: 1 |
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Mfr. Part No. WS Part No. |
FUSE RESETTABLE 500MA 15V 1812
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2,000 pieces In Stock |
MOQ: 1000 |
Need to verify |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 16V 11A RADIAL / Polymeric PTC Resettable Fuse 16V 11 A Ih Through Hole Radial, Disc
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Low Stock |
MOQ: 1 |
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Mfr. Part No. WS Part No. |
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2,000 pieces In Stock |
MOQ: 1200 |
Need to verify |
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Mfr. Part No. WS Part No. |
PPTC,SQUARE 13.5MM, 16V 6A / Polymeric PTC Resettable Fuse 16V 6 A Ih Through Hole Radial, Disc
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Low Stock |
MOQ: 490 |
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Mfr. Part No. WS Part No. |
PPTC,SQUARE 10.7MM, 16V 5A / Polymeric PTC Resettable Fuse 16V 5 A Ih Through Hole Radial, Disc
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Low Stock |
MOQ: 545 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 6V 1.75A 1206 / PTC Resettable Fuse Ih
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Low Stock |
MOQ: 1 |
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Mfr. Part No. WS Part No. |
FUSE RESET 90MA 230V 50OHM SMD
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180 pieces In Stock |
MOQ: 90 |
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Mfr. Part No. WS Part No. |
PolySwitch PTC Devices | PTC RESET FUSE 240V 250MA RADIAL
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Low Stock |
MOQ: 670 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 240V 250MA RADIAL
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4,000 pieces In Stock |
MOQ: 40 |
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Mfr. Part No. WS Part No. |
FUSE RESETTABLE 100MA 30V 1210
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Low Stock |
MOQ: 135 |
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Mfr. Part No. WS Part No. |
PolySwitch Resettable Devices | PTC RESET FUSE 72V 250MA RADIAL
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6,000 pieces In Stock |
MOQ: 120 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 30V 8A RADIAL / Polymeric PTC Resettable Fuse 30V 8 A Ih Through Hole Radial, Disc
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360 pieces In Stock |
MOQ: 180 |
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Mfr. Part No. WS Part No. |
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4,880 pieces In Stock |
MOQ: 120 |
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