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. |
PTC RESETTABLE 24V 750MA 1812L
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64,552 pieces In Stock |
MOQ: 720 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 60V 1.1A 2920
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33,333 pieces In Stock |
MOQ: 220 |
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Mfr. Part No. WS Part No. |
THERMISTOR PTC 33 OHM SMD
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8,600 pieces In Stock |
MOQ: 390 |
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Mfr. Part No. WS Part No. |
POLYSWITCH .05A RESET FUSE SMD / PTC Resettable Fuse 0.05A(hold) 0.15A(trip) 15VDC 40A 0.5W 0.1s 3.8Ohm SMD Solder Pad 0603 T/R Automotive
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30 pieces In Stock |
MOQ: 270 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 30V 38MA 0402 / Ceramic PTC Resettable Fuse 30V 38 mA Ih Surface Mount 0402 (1005 Metric)
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17,245 pieces In Stock |
MOQ: 610 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 72V 500MA RADIAL
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12,150 pieces In Stock |
MOQ: 300 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 60V 50MA RADIAL / Polymeric PTC Resettable Fuse 60V 50 mA Ih Through Hole Radial, Disc
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7,425 pieces In Stock |
MOQ: 355 |
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Mfr. Part No. WS Part No. |
PTC Resettable Fuse 0.05A(hold) 0.15A(trip) 30V 10A 0.6W 1.5s 2.8Ohm SMD Solder Pad 1210 T/R Automotive / FUSE RESETTABLE .05A 30V HLD SMD
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90,000 pieces In Stock |
MOQ: 1465 |
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Mfr. Part No. WS Part No. |
PTC RESETTABLE
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45,000 pieces In Stock |
MOQ: 530 |
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Mfr. Part No. WS Part No. |
POLYSWITCH .50A RESET FUSE SMD
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335,170 pieces In Stock |
MOQ: 595 |
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Mfr. Part No. WS Part No. |
POLYSWITCH .50A RESET FUSE SMD
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335,170 pieces In Stock |
MOQ: 595 |
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Mfr. Part No. WS Part No. |
PTC RESET 15V .500A SMD 1206
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110,500 pieces In Stock |
MOQ: 790 |
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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: 630 |
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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: 630 |
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Mfr. Part No. WS Part No. |
RESETTABLE FUSE - SMD, 1206 SIZE
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207,256 pieces In Stock |
MOQ: 1100 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 24V 500MA 1206 / Polymeric PTC Resettable Fuse 24V 500 mA Ih Surface Mount 1206 (3216 Metric), Concave
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28,670 pieces In Stock |
MOQ: 280 |
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Mfr. Part No. WS Part No. |
FUSE RESETTABLE 2.0A HOLD SMD
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60,980 pieces In Stock |
MOQ: 1600 |
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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: 350 |
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Mfr. Part No. WS Part No. |
PTC RESETTABLE 60V .55A 2016 SMD
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97,955 pieces In Stock |
MOQ: 460 |
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Mfr. Part No. WS Part No. |
FUSE PTC RESET .500A 30V 1812 SM
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58,888 pieces In Stock |
MOQ: 765 |
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