PTC Resettable Fuses
Explore PTC Resettable Fuses parts from multiple manufacturers, with model information, availability, datasheets and technical specifications for engineering and purchasing.
For parts that are not shown in the list, send the manufacturer part number, quantity or BOM to JIEXIN Electronics. Our team can assist with availability checks and quotation support.
| Photo | Mfr. Part # | Availability | 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.110.3PTC RESET FUSE 30V 1.1A RADIAL |
5,684 |
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Datasheet | Radial, Disc | PFRA | Tape & Box (TB) | Obsolete | Polymeric | 30V | 1.1 A | 2.2 A | 40 A | 6.6 s | 100 mOhms | 270 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.350" Dia x 0.118" T (8.90mm x 3.00mm) | 0.551" (14.00mm) | - | 0.201" (5.10mm) |
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PFRA.160.3PTC RESET FUSE 30V 1.6A RADIAL |
9,763 |
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Datasheet | Radial, Disc | PFRA | Tape & Box (TB) | Obsolete | Polymeric | 30V | 1.6 A | 3.2 A | 40 A | 8 s | 55 mOhms | 150 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.402" Dia x 0.118" T (10.20mm x 3.00mm) | 0.661" (16.80mm) | - | 0.201" (5.10mm) |
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PFLT.260PTC RESET FUSE 24V 2.6A STRAP |
5,762 |
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Datasheet | Strap | PFLT | Bulk | Obsolete | Polymeric | 24V | 2.6 A | 5.2 A | 100 A | 5 s | 25 mOhms | 76 mOhms | - | -45°C ~ 85°C | - | - | - | User Defined | 0.984" L x 0.447" W (25.00mm x 11.35mm) | - | 0.039" (1.00mm) | - |
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PFLT.300PTC RESET FUSE 24V 3A STRAP |
5,523 |
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Datasheet | Strap | PFLT | Bulk | Obsolete | Polymeric | 24V | 3 A | 6.3 A | 100 A | 4 s | 15 mOhms | 55 mOhms | - | -45°C ~ 85°C | - | - | - | User Defined | 1.185" L x 0.532" W (30.10mm x 13.50mm) | - | 0.043" (1.10mm) | - |
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PFRA.250.3PTC RESET FUSE 30V 2.5A RADIAL |
8,328 |
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Datasheet | Radial, Disc | PFRA | Tape & Box (TB) | Obsolete | Polymeric | 30V | 2.5 A | 5 A | 40 A | 10.3 s | 25 mOhms | 70 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.472" L x 0.118" W (12.00mm x 3.00mm) | 0.720" (18.30mm) | - | 0.201" (5.10mm) |
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PFRX.110PTC RESET FUSE 60V 1.1A RADIAL |
7,074 |
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Datasheet | Radial, Disc | PFRX | Bulk | Obsolete | Polymeric | 60V | 1.1 A | 2.2 A | 40 A | 8.2 s | 150 mOhms | 380 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.512" Dia x 0.122" T (13.00mm x 3.10mm) | 0.709" (18.00mm) | - | 0.201" (5.10mm) |
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PFRX.135PTC RESET FUSE 60V 1.35A RADIAL |
8,384 |
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Datasheet | Radial, Disc | PFRX | Bulk | Obsolete | Polymeric | 60V | 1.35 A | 2.7 A | 40 A | 9.6 s | 120 mOhms | 300 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.571" Dia x 0.122" T (14.50mm x 3.10mm) | 0.772" (19.60mm) | - | 0.201" (5.10mm) |
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PFRA.300.3PTC RESET FUSE 30V 3A RADIAL |
2,699 |
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Datasheet | Radial, Disc | PFRA | Tape & Box (TB) | Obsolete | Polymeric | 30V | 3 A | 6 A | 40 A | 10.8 s | 20 mOhms | 80 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.472" L x 0.118" W (12.00mm x 3.00mm) | 0.720" (18.30mm) | - | 0.201" (5.10mm) |
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PFRX.135.3PTC RESET FUSE 60V 1.35A RADIAL |
2,345 |
|
Datasheet | Radial, Disc | PFRX | Tape & Box (TB) | Obsolete | Polymeric | 60V | 1.35 A | 2.7 A | 40 A | 9.6 s | 120 mOhms | 300 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.571" Dia x 0.122" T (14.50mm x 3.10mm) | 0.772" (19.60mm) | - | 0.201" (5.10mm) |
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PFRX.160PTC RESET FUSE 60V 1.6A RADIAL |
9,628 |
|
Datasheet | Radial, Disc | PFRX | Bulk | 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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PFRX.110.3PTC RESET FUSE 60V 1.1A RADIAL |
7,107 |
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Datasheet | Radial, Disc | PFRX | Tape & Box (TB) | Obsolete | Polymeric | 60V | 1.1 A | 2.2 A | 40 A | 8.2 s | 150 mOhms | 380 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.512" Dia x 0.122" T (13.00mm x 3.10mm) | 0.709" (18.00mm) | - | 0.201" (5.10mm) |
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PFRX.185PTC RESET FUSE 60V 1.85A RADIAL |
4,651 |
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Datasheet | Radial, Disc | PFRX | Bulk | 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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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 |
|
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) | - |
Frequently Asked Questions
What are PTC Resettable Fuses components used for?
PTC Resettable Fuses components are used in a wide range of electronic equipment and systems. Their exact function depends on the device, circuit design and technical requirements of the application.
How do I choose the right PTC Resettable Fuses part?
Compare the manufacturer part number, key specifications, package type, operating conditions, availability and datasheet information. For replacement projects, always verify the critical electrical and mechanical parameters before selecting an alternative.
Can JIEXIN Electronics help source obsolete or hard-to-find PTC Resettable Fuses parts?
Yes. Send us the required manufacturer part number, quantity or BOM. Our sourcing team can help check stock availability, lead time, alternative sourcing options and quotation details.
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