PTC Resettable Fuses
Use the filters and product table below to compare PTC Resettable Fuses components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.
If you already have a target part number, package, rating or quantity, send the requirement to Winsun (HK) Electronics for availability checks, BOM sourcing, shortage support and quotation assistance.
| Photo | Mfr. Part # | Availability | Price | Quantity | Datasheet | Package/Case | Series | Packaging | Product Status | Type | Voltage - Max | Current - Hold (Ih) (Max) | Current - Trip (It) | Current - Max | Time to Trip | Resistance - Initial (Ri) (Min) | Resistance - Post Trip (R1) (Max) | Resistance - 25°C (Typ) | Operating Temperature | Grade | Qualification | Ratings | Mounting Type | Size / Dimension | Height - Seated (Max) | Thickness (Max) | Lead Spacing |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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PFRA.400.3PTC RESET FUSE 30V 4A RADIAL |
7,935 | - |
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Datasheet | Radial, Disc | PFRA | Tape & Box (TB) | Obsolete | Polymeric | 30V | 4 A | 8 A | 40 A | 12.7 s | 10 mOhms | 50 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.567" L x 0.118" W (14.40mm x 3.00mm) | 0.976" (24.80mm) | - | 0.201" (5.10mm) |
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PFRX.250PTC RESET FUSE 60V 2.5A RADIAL |
7,723 | - |
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Datasheet | Radial, Disc | PFRX | Bulk | Obsolete | Polymeric | 60V | 2.5 A | 5 A | 40 A | 15.6 s | 50 mOhms | 130 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.839" Dia x 0.122" T (21.30mm x 3.10mm) | 1.039" (26.40mm) | - | 0.402" (10.20mm) |
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PFRX.160.3PTC RESET FUSE 60V 1.6A RADIAL |
4,809 | - |
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Datasheet | Radial, Disc | PFRX | Tape & Box (TB) | Obsolete | Polymeric | 60V | 1.6 A | 3.2 A | 40 A | 11.4 s | 90 mOhms | 220 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.642" Dia x 0.122" T (16.30mm x 3.10mm) | 0.839" (21.30mm) | - | 0.201" (5.10mm) |
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PFRT.008.250PTC RESET FUSE 60V 80MA RADIAL |
6,878 | - |
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Datasheet | Radial, Disc | PFRT | Bulk | Obsolete | Polymeric | 60V (250V Int) | 80 mA | - | 3 A | - | 15 Ohms | 33 Ohms | - | -45°C ~ 85°C | - | - | - | Through Hole | 0.209" L x 0.197" W (5.30mm x 5.00mm) | 0.366" (9.30mm) | - | 0.201" (5.10mm) |
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PFRX.185.3PTC RESET FUSE 60V 1.85A RADIAL |
9,961 | - |
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Datasheet | Radial, Disc | PFRX | Tape & Box (TB) | Obsolete | Polymeric | 60V | 1.85 A | 3.7 A | 40 A | 12.6 s | 80 mOhms | 190 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.701" Dia x 0.122" T (17.80mm x 3.10mm) | 0.902" (22.90mm) | - | 0.201" (5.10mm) |
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PFLR.550PTC RESET FUSE 10V 5.5A STRAP |
3,174 | - |
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Datasheet | Strap | PFLR | Bulk | Obsolete | Polymeric | 10V | 5.5 A | 10.5 A | 100 A | 5 s | 9 mOhms | 22 mOhms | - | -45°C ~ 85°C | - | - | - | User Defined | 1.417" L x 0.283" W (36.00mm x 7.20mm) | - | - | - |
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PFLR.450PTC RESET FUSE 10V 4.5A STRAP |
7,985 | - |
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Datasheet | Strap | PFLR | Bulk | Obsolete | Polymeric | 10V | 4.5 A | 8.9 A | 100 A | 5 s | 11 mOhms | 28 mOhms | - | -45°C ~ 85°C | - | - | - | User Defined | 0.984" L x 0.402" W (25.00mm x 10.21mm) | - | 0.039" (1.00mm) | - |
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PFVS.210PTC RESET FUSE 16V 2.1A STRAP |
4,406 | - |
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Datasheet | Strap | PFVS | Bulk | Obsolete | Polymeric | 16V | 2.1 A | 4.7 A | 100 A | 5 s | 18 mOhms | 60 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.878" L x 0.201" W (22.30mm x 5.10mm) | - | 0.032" (0.80mm) | - |
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PFLR.600PTC RESET FUSE 10V 6A STRAP |
4,073 | - |
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Datasheet | Strap | PFLR | Bulk | Obsolete | Polymeric | 10V | 6 A | 11.7 A | 100 A | 5 s | 7 mOhms | 16 mOhms | - | -45°C ~ 85°C | - | - | - | User Defined | 0.984" L x 0.559" W (25.00mm x 14.20mm) | - | - | - |
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PFVS.170PTC RESET FUSE 16V 1.7A STRAP |
5,149 | - |
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Datasheet | Strap | PFVS | Bulk | Obsolete | Polymeric | 16V | 1.7 A | 3.4 A | 100 A | 3 s | 30 mOhms | 105 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.679" L x 0.201" W (17.25mm x 5.10mm) | - | 0.032" (0.80mm) | - |
PTC Resettable Fuses FAQ
Common questions about filtering, comparing and sourcing PTC Resettable Fuses components.
How can I narrow the PTC Resettable Fuses selection?
Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.
Should I confirm the datasheet before selecting a part?
Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.
Can Winsun (HK) Electronics help source a specific PTC Resettable Fuses part number?
Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.
Do you support BOM, shortage or alternative-part requirements?
Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.
