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. |
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66,600 pieces In Stock |
MOQ: 1610 |
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Mfr. Part No. WS Part No. |
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65,060 pieces In Stock |
MOQ: 1745 |
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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: 50 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 72V 2.5A RADIAL / Polymeric PTC Resettable Fuse 72V 2.5 A Ih Through Hole Radial, Disc
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5,000 pieces In Stock |
MOQ: 110 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 72V 750MA RADIAL
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4,650 pieces In Stock |
MOQ: 65 |
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Mfr. Part No. WS Part No. |
PolySwitch Resettable Devices | PTC RESET FUSE 6V 3A 1812
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36,000 pieces In Stock |
MOQ: 300 |
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Mfr. Part No. WS Part No. |
POLYSWITCH PTC RESET 3.0A HOLD
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100,000 pieces In Stock |
MOQ: 235 |
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Mfr. Part No. WS Part No. |
MINISMDC200F/16-2
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9,870 pieces In Stock |
MOQ: 210 |
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Mfr. Part No. WS Part No. |
POLYSWITCH 1.6A RESET FUSE SMD
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18,290 pieces In Stock |
MOQ: 880 |
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Mfr. Part No. WS Part No. |
PTC Resettable Fuse 1.5A(hold) 2.8A(trip) 16VDC 100A 0.8W 0.5s 0.04Ohm SMD Solder Pad 1812 T/R Automotive / POLYSWITCH PTC RESET 1.5A SMD
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42,600 pieces In Stock |
MOQ: 175 |
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Mfr. Part No. WS Part No. |
POLYSWITCH 1.25A RESET FUSE SMD
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952 pieces In Stock |
MOQ: 90 |
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Mfr. Part No. WS Part No. |
PTC Resettable Fuse 1.1A(hold) 2.2A(trip) 24VDC 100A 0.8W 0.5s 0.06Ohm SMD Solder Pad 1812 T/R Automotive / POLYSWITCH RESET 1.1A 24V SMD
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20,685 pieces In Stock |
MOQ: 250 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 16V 1.1A 1812
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30,000 pieces In Stock |
MOQ: 560 |
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Mfr. Part No. WS Part No. |
POLYSWITCH PTC RESET 1.1A SMD
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20,000 pieces In Stock |
MOQ: 170 |
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Mfr. Part No. WS Part No. |
POLYSWITCH .75A RESET FUSE SMD
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58,000 pieces In Stock |
MOQ: 545 |
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Mfr. Part No. WS Part No. |
POLYSWITCH .14A RESET FUSE SMD / PTC Resettable Fuse 0.14A(hold) 0.28A(trip) 60VDC 10A 0.75W 0.008s 1.5Ohm SMD Solder Pad 4.73 X 3.41 X 0.89mm T/R Automotive
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100,000 pieces In Stock |
MOQ: 445 |
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Mfr. Part No. WS Part No. |
POLYSWITCH 0.14A RESET FUSE SMD / PTC Resettable Fuse 0.14A(hold) 0.28A(trip) 60VDC 10A 0.75W 0.008s 1.5Ohm SMD Solder Pad 4.73 X 3.41 X 0.89mm T/R Automotive
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8,034 pieces In Stock |
MOQ: 200 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 60V 100MA 1812 / Polymeric PTC Resettable Fuse 60V 100 mA Ih Surface Mount 1812 (4532 Metric), Concave
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Low Stock |
MOQ: 65 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 30V 50MA 1210
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210 pieces In Stock |
MOQ: 80 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 60V 2.5A RADIAL
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3,688 pieces In Stock |
MOQ: 120 |
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