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 0.05A RESET FUSE SMD
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20,000 pieces In Stock |
MOQ:685 |
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Mfr. Part No. WS Part No. |
POLYSWITCH PTC RESET 0.12A HOLD
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44,505 pieces In Stock |
MOQ:310 |
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Mfr. Part No. WS Part No. |
PTC RESETTABLE 24V 1.50A 1812L / PTC Resettable Fuse 1.5A(hold) 3A(trip) 24VDC 20A 0.8W 1.5s 0.04Ohm SMD Solder Pad 1812 T/R
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52,888 pieces In Stock |
MOQ:730 |
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Mfr. Part No. WS Part No. |
PolySwitch Resettable Device Short Form Catalog
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2,000 pieces In Stock |
MOQ:250 |
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Mfr. Part No. WS Part No. |
PTC 1.50A 8VDC RESETTABLE
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76,000 pieces In Stock |
MOQ:2120 |
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Mfr. Part No. WS Part No. |
Ptc Resettable Fuse, 60VDC, 2018 Rohs Compliant: Yes
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MOQ:140 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 15V 100MA 0603 / Polymeric PTC Resettable Fuse 15V 100 mA Ih Surface Mount 0603 (1608 Metric), Concave
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Low Stock |
MOQ:750 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 9V 200MA 0603 / Polymeric PTC Resettable Fuse 9V 200 mA Ih Surface Mount 0603 (1608 Metric), Concave
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Low Stock |
MOQ:2350 |
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Mfr. Part No. WS Part No. |
POLYMERIC PTC RESETTABLE FUSE SU / Polymeric PTC Resettable Fuse 8V 1.1 A Ih Surface Mount 1206 (3216 Metric), Concave
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1,840 pieces In Stock |
MOQ:670 |
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Mfr. Part No. WS Part No. |
RESETTABLE FUSE - SMD, 0805 SIZE
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43,200 pieces In Stock |
MOQ:925 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 60V 500MA 1812
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19,017 pieces In Stock |
MOQ:140 |
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Mfr. Part No. WS Part No. |
POLYSWITCH .50A RESET FUSE SMD
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300,000 pieces In Stock |
MOQ:495 |
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Mfr. Part No. WS Part No. |
POLYSWITCH .50A RESET FUSE SMD
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300,000 pieces In Stock |
MOQ:495 |
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Mfr. Part No. WS Part No. |
POLYSWITCH PTC RESET 0.15A
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Low Stock |
MOQ:7 |
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Mfr. Part No. WS Part No. |
POLYSWITCH 0.75A RESET FUSE SMD
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8,000 pieces In Stock |
MOQ:10 |
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Mfr. Part No. WS Part No. |
RESETTABLE FUSE - SMD, 2920 SIZE
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6,350 pieces In Stock |
MOQ:310 |
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Mfr. Part No. WS Part No. |
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6,750 pieces In Stock |
MOQ:310 |
Need to verify |
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Mfr. Part No. WS Part No. |
POLYMERIC PTC RESETTABLE FUSE SU / Polymeric PTC Resettable Fuse 8V 1.5 A Ih Surface Mount 1206 (3216 Metric), Concave
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207,750 pieces In Stock |
MOQ:125 |
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Mfr. Part No. WS Part No. |
FUSE RESETTABLE 2.6A 6V 2920
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Low Stock |
MOQ:180 |
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Mfr. Part No. WS Part No. |
POLYMERIC PTC RESETTABLE FUSE SU / Polymeric PTC Resettable Fuse 13.2V 750 mA Ih Surface Mount 1206 (3216 Metric), Concave
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2,341 pieces In Stock |
MOQ:650 |
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Mfr. Part No. WS Part No. |
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61,800 pieces In Stock |
MOQ:575 |
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Mfr. Part No. WS Part No. |
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14,000 pieces In Stock |
MOQ:915 |
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Mfr. Part No. WS Part No. |
POLYSWITCH PTC RESET 0.17A
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142 pieces In Stock |
MOQ:5 |
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Mfr. Part No. WS Part No. |
PTC RESETTABLE 85MA 63V RAD
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Low Stock |
MOQ:30 |
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Mfr. Part No. WS Part No. |
PTC RESETTABLE 24V 750MA 1812L
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88,500 pieces In Stock |
MOQ:520 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 6V 2A 1206
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8,774 pieces In Stock |
MOQ:155 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 33V 750MA 1812 / Polymeric PTC Resettable Fuse 33V 750 mA Ih Surface Mount 1812 (4532 Metric), Concave
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1,500 pieces In Stock |
MOQ:85 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 24V 2A 2920 / Polymeric PTC Resettable Fuse 24V 2 A Ih Surface Mount 2920 (7351 Metric), Concave
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93 pieces In Stock |
MOQ:145 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 60V 750MA 2920 / Polymeric PTC Resettable Fuse 60V 750 mA Ih Surface Mount 2920 (7351 Metric), Concave
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7,755 pieces In Stock |
MOQ:110 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 72V 500MA RADIAL
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7,590 pieces In Stock |
MOQ:275 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 72V 500MA RADIAL
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8,000 pieces In Stock |
MOQ:275 |
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Mfr. Part No. WS Part No. |
PPTC,DISC 10.5MM, 250V 0.2 A / Polymeric PTC Resettable Fuse 250V 200 mA Ih Through Hole Radial, Disc
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2,500 pieces In Stock |
MOQ:120 |
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Mfr. Part No. WS Part No. |
POLYSWITCH PTC RESET .400A
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1,200 pieces In Stock |
MOQ:9 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 30V 300MA 1812
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5,550 pieces In Stock |
MOQ:310 |
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Mfr. Part No. WS Part No. |
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Low Stock |
MOQ:10 |
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Mfr. Part No. WS Part No. |
PTC RESETTABLE .30A 30V 1812
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60,000 pieces In Stock |
MOQ:1110 |
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Mfr. Part No. WS Part No. |
POLYSWITCH RESET FUSE 0.35A SMD
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30,613 pieces In Stock |
MOQ:65 |
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Mfr. Part No. WS Part No. |
POLYMERIC PTC RESETTABLE FUSE SU / Polymeric PTC Resettable Fuse 15V 3 A Ih Surface Mount 2920 (7351 Metric), Concave
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30,000 pieces In Stock |
MOQ:310 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 30V 3A RADIAL / Polymeric PTC Resettable Fuse 30V 3 A Ih Through Hole Radial, Disc
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1,512 pieces In Stock |
MOQ:140 |
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Mfr. Part No. WS Part No. |
FUSE RESETTABLE 1.1A 6V 1210
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Low Stock |
MOQ:1 |
Need to verify |
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Mfr. Part No. WS Part No. |
FUSE PTC RESETTABLE SMD
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301,683 pieces In Stock |
MOQ:915 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 16V 9A RADIAL
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Low Stock |
MOQ:35 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 8V 750MA 1210
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Low Stock |
MOQ:1 |
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Mfr. Part No. WS Part No. |
POLYSWITCH PTC RESET 1.35A / PTC Resettable Fuse 1.35A(hold) 2.7A(trip) 72V 40A 1.7W 9.6s 0.12Ohm Radial 14.5 X 3mm T/R
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128 pieces In Stock |
MOQ:65 |
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Mfr. Part No. WS Part No. |
Resettable Fuses - PPTC 16V 100A RLINE
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Low Stock |
MOQ:0 |
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Mfr. Part No. WS Part No. |
Resettable Fuses - PPTC 24V .75A-HD 40A MAX
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Low Stock |
MOQ:0 |
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Mfr. Part No. WS Part No. |
Resettable Fuses - PPTC Fuse
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Low Stock |
MOQ:0 |
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Mfr. Part No. WS Part No. |
PTC RESET FUSE 80V 50MA RADIAL
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20,000 pieces In Stock |
MOQ:60 |
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Mfr. Part No. WS Part No. |
FUSE RESETTABLE 1.5A 6V 1206
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Low Stock |
MOQ:1 |
Need to verify |
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Mfr. Part No. WS Part No. |
POLYSWITCH 0.250A HOLD SMD
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Low Stock |
MOQ:8 |
Need to verify |
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