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 0.250A HOLD SMD
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Low Stock |
MOQ: 11 |
Need to verify |
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Mfr. Part No. WS Part No. |
PolySwitch Resettable Devices Line-Voltage-Rated Devices | PTC RESET FUSE 240V 400MA RADIAL
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Low Stock |
MOQ: 280 |
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Mfr. Part No. WS Part No. |
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Low Stock |
MOQ: 6 |
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Mfr. Part No. WS Part No. |
Polymer PTC 2.0A Resettable Fuse
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954 pieces In Stock |
MOQ: 370 |
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Mfr. Part No. WS Part No. |
POLYSWITCH RESETTABLE DEVICE SMD / PTC Resettable Fuse 1.75A(hold) 5A(trip) 6VDC 50A 1W 1s 0.008Ohm SMD Solder Pad 1206 T/R
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3,000 pieces In Stock |
MOQ: 110 |
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Mfr. Part No. WS Part No. |
PTC Resettable Fuses
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Low Stock |
MOQ: 410 |
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Mfr. Part No. WS Part No. |
PTC Resettable Fuse 3.5A(hold) 7A(trip) 6V 50A 0.8W 5s 0.002Ohm SMD Solder Pad 1206 3.5 X 1.8 X 0.6mm / PTC 3.5A 6V SMD 1206 LOW-OHMIC
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Low Stock |
MOQ: 1515 |
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Mfr. Part No. WS Part No. |
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Low Stock |
MOQ: 1 |
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Mfr. Part No. WS Part No. |
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18,000 pieces In Stock |
MOQ: 75 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 30V 4A RADIAL / Polymeric PTC Resettable Fuse 30V 4 A Ih Through Hole Radial, Disc
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20,000 pieces In Stock |
MOQ: 310 |
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Mfr. Part No. WS Part No. |
FUSE RESETTABLE 1.5A 6V 1812
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Low Stock |
MOQ: 1305 |
Need to verify |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 12V 2.3A STRAP / Polymeric PTC Resettable Fuse 12V 2.3 A Ih User Defined Strap
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20,000 pieces In Stock |
MOQ: 45 |
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Mfr. Part No. WS Part No. |
POLYSWITCH PTC RESET 1.7A STRAP
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5,000 pieces In Stock |
MOQ: 45 |
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Mfr. Part No. WS Part No. |
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2,000 pieces In Stock |
MOQ: 185 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 265V 200MA RADIAL
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Low Stock |
MOQ: 1 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 265V 30MA RADIAL / Ceramic PTC Resettable Fuse 265V 30 mA Ih Through Hole Radial, Disc
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80,000 pieces In Stock |
MOQ: 95 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 60V 1.35A RADIAL / Radial Leaded
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1,200 pieces In Stock |
MOQ: 370 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 30V 300MA 1812 / Polymeric PTC Resettable Fuse 30V 300 mA Ih Surface Mount 1812 (4532 Metric), Concave
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2,000 pieces In Stock |
MOQ: 95 |
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Mfr. Part No. WS Part No. |
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Low Stock |
MOQ: 1 |
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Mfr. Part No. WS Part No. |
POLYSWITCH PTC RESET 2A STRAP / PTC Resettable Fuse 2A(hold) 4.7A(trip) 16V 100A 1.5W 5s 0.022Ohm SMD Solder Pad 13.5 X 4.5 X 0.8mm Bulk
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5,000 pieces In Stock |
MOQ: 75 |
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