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. |
PolySwitch Resettable Devices Surface-mount Devices
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61,700 pieces In Stock |
MOQ: 880 |
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Mfr. Part No. WS Part No. |
POLYSWITCH PTC RESET 0.75A T/H / PTC Resettable Fuse 0.75A(hold) 1.5A(trip) 60VDC 40A 1.4W 1.5s 0.2Ohm Radial Bag
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65,000 pieces In Stock |
MOQ: 300 |
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Mfr. Part No. WS Part No. |
THERMISTOR 17 OHM 265V PTC
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4,920 pieces In Stock |
MOQ: 65 |
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Mfr. Part No. WS Part No. |
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5,742 pieces In Stock |
MOQ: 215 |
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Mfr. Part No. WS Part No. |
PTC Resettable Fuse 1.1A(hold) 2.2A(trip) 30V 80A 1.7W 0.5s 0.12Ohm SMD Solder Pad 7.98 X 5.44 X 3mm T/R Automotive / FUSE RESETTABLE
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16,300 pieces In Stock |
MOQ: 230 |
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Mfr. Part No. WS Part No. |
PTC RESETTABLE 15V 3A SMD 2920
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75,300 pieces In Stock |
MOQ: 455 |
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Mfr. Part No. WS Part No. |
RESETTABLE FUSE - SMD, 2920 SIZE
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3,500 pieces In Stock |
MOQ: 510 |
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Mfr. Part No. WS Part No. |
FUSE PTC RESETTABLE
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48,200 pieces In Stock |
MOQ: 120 |
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Mfr. Part No. WS Part No. |
POLYSWITCH PTC RESET .12A HOLD
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5,000 pieces In Stock |
MOQ: 240 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 72V 300MA RADIAL / PolySwitch Resettable Devices Radial-leaded Devices
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38,000 pieces In Stock |
MOQ: 225 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 16V 1.85A RADIAL / Polymeric PTC Resettable Fuse 16V 1.85 A Ih Through Hole Radial, Disc
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34,000 pieces In Stock |
MOQ: 705 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 16V 8A RADIAL / POLYFUSE® Resettable PTCs
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6,000 pieces In Stock |
MOQ: 180 |
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Mfr. Part No. WS Part No. |
PTC Resettable Fuse 1.6A(hold) 3.2A(trip) 72V 40A 1.9W 11.4s 0.09Ohm Radial 16.3 X 3mm T/R
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Low Stock |
MOQ: 1 |
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Mfr. Part No. WS Part No. |
FUSE PTC RESET 6V 1.50A 1206
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2,200 pieces In Stock |
MOQ: 880 |
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Mfr. Part No. WS Part No. |
PTC Resettable Fuse 2A(hold) 3.8A(trip) 16V 100A 1.4W 3s 0.045Ohm Radial 9.4 X 3mm T/R
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Low Stock |
MOQ: 1 |
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Mfr. Part No. WS Part No. |
Ptc Reset Fuse 12V 4.5A 1206
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Low Stock |
MOQ: 1 |
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Mfr. Part No. WS Part No. |
Polymer PTC 1.1A Resettable Fuse / Polymeric PTC Resettable Fuse 24V 1.1 A Ih Surface Mount 1812 (4532 Metric), Concave
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80 pieces |
MOQ: 1 |
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Mfr. Part No. WS Part No. |
Polymer PTC 2.0A Resettable Fuse / Polymeric PTC Resettable Fuse 6V 2 A Ih Surface Mount 1206 (3216 Metric), Concave
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1,410 pieces |
MOQ: 1 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 60V 3A RADIAL
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11,000 pieces In Stock |
MOQ: 180 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE LOWRHO STRAP / PTC Resettable Fuse Ih
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4,990 pieces |
MOQ: 1 |
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