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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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) | - |
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PFRX.300PTC RESET FUSE 60V 3A RADIAL |
3,525 |
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Datasheet | Radial, Disc | PFRX | Bulk | Obsolete | Polymeric | 60V | 3 A | 6 A | 40 A | 19.8 s | 40 mOhms | 100 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.980" Dia x 0.122" T (24.90mm x 3.10mm) | 1.181" (30.00mm) | - | 0.402" (10.20mm) |
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PFLR.730PTC RESET FUSE 10V 7.3A STRAP |
8,180 |
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Datasheet | Strap | PFLR | Bulk | Obsolete | Polymeric | 10V | 7.3 A | 14.1 A | 100 A | 5 s | 6 mOhms | 15 mOhms | - | -45°C ~ 85°C | - | - | - | User Defined | 1.085" L x 0.559" W (27.55mm x 14.20mm) | - | - | - |
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PFRX.375PTC RESET FUSE 60V 3.75A RADIAL |
4,327 |
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Datasheet | Radial, Disc | PFRX | Bulk | Obsolete | Polymeric | 60V | 3.75 A | 7.5 A | 40 A | 24 s | 30 mOhms | 80 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 1.118" Dia x 0.122" T (28.40mm x 3.10mm) | 1.319" (33.50mm) | - | 0.402" (10.20mm) |
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PFRT.018.250.UPTC RESET FUSE 60V 180MA RADIAL |
3,094 |
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Datasheet | Radial, Disc | PFRT | Bulk | Obsolete | Polymeric | 60V (250V Int) | 180 mA | - | 10 A | - | 800 mOhms | 4 Ohms | - | -45°C ~ 85°C | - | - | - | Through Hole | 0.236" L x 0.197" W (6.00mm x 5.00mm) | 0.394" (10.00mm) | - | 0.201" (5.10mm) |
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B59830C80A70PTC RESET FUSE 265V 250MA RADIAL |
8,489 |
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Datasheet | Radial, Disc | - | Bulk | Obsolete | Ceramic | 265V | 250 mA | 510 mA | 7 A | - | - | - | - | 0°C ~ 60°C | - | - | - | Through Hole | 0.689" Dia x 0.197" T (17.50mm x 5.00mm) | 0.827" (21.00mm) | - | 0.197" (5.00mm) |
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B59940C80A70PTC RESET FUSE 80V 245MA RADIAL |
7,165 |
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Datasheet | Radial, Disc | - | Bulk | Obsolete | Ceramic | 80V | 245 mA | 500 mA | 8 A | - | - | - | 2.3 Ohms | -40°C ~ 85°C | - | - | - | Through Hole | 0.866" Dia x 0.138" T (22.00mm x 3.50mm) | 1.004" (25.50mm) | - | 0.197" (5.00mm) |
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B59935C0160A070PTC RESET FUSE 20V 2.1A RADIAL |
8,356 |
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Datasheet | Radial, Disc | - | Bulk | Obsolete | Ceramic | 20V | 2.1 A | 4.15 A | 10 A | - | - | - | 300 mOhms | -40°C ~ 85°C | - | - | - | Through Hole | 0.866" Dia x 0.138" T (22.00mm x 3.50mm) | 1.004" (25.50mm) | - | 0.197" (5.00mm) |
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B59860C120A54PTC RESET FUSE 265V 140MA RADIAL |
2,286 |
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Datasheet | Radial, Disc | - | Tape & Reel (TR) | Obsolete | Ceramic | 265V | 140 mA | 280 mA | 1.5 A | - | - | - | 15 Ohms | 0°C ~ 60°C | - | - | - | Through Hole | 0.433" Dia x 0.197" T (11.00mm x 5.00mm) | 0.571" (14.50mm) | - | 0.197" (5.00mm) |
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B59955C0120A051PTC RESET FUSE 30V 850MA RADIAL |
8,361 |
|
Datasheet | Radial, Disc | B59955 | Tape & Reel (TR) | Obsolete | Ceramic | 30V | 850 mA | 1.7 A | 5.5 A | - | - | - | 800 mOhms | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.532" Dia x 0.138" T (13.50mm x 3.50mm) | 0.669" (17.00mm) | - | 0.197" (5.00mm) |
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B59945C0120A051PTC RESET FUSE 30V 1.3A RADIAL |
8,950 |
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Datasheet | Radial, Disc | B59945 | Tape & Reel (TR) | Obsolete | Ceramic | 30V | 1.3 A | 2.6 A | 8 A | - | - | - | 450 mOhms | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.689" Dia x 0.138" T (17.50mm x 3.50mm) | 0.827" (21.00mm) | - | 0.197" (5.00mm) |
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B59860C160A51PTC RESET FUSE 160V 180MA RADIAL |
9,668 |
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Datasheet | Radial, Disc | - | Tape & Reel (TR) | Obsolete | Ceramic | 160V | 180 mA | 360 mA | 1.5 A | - | - | - | 15 Ohms | 0°C ~ 60°C | - | - | - | Through Hole | 0.433" Dia x 0.197" T (11.00mm x 5.00mm) | 0.571" (14.50mm) | - | 0.197" (5.00mm) |
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B59880C0120A054PTC RESET FUSE 265V 55MA RADIAL |
3,489 |
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Datasheet | Radial, Disc | - | Tape & Reel (TR) | Obsolete | Ceramic | 265V | 55 mA | 110 mA | 400 mA | - | - | - | 70 Ohms | 0°C ~ 60°C | - | - | - | Through Hole | 0.354" Dia x 0.197" T (9.00mm x 5.00mm) | 0.492" (12.50mm) | - | 0.197" (5.00mm) |
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B59874C0120A051PTC RESET FUSE 265V 60MA RADIAL |
2,441 |
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Datasheet | Radial, Disc | - | Tape & Reel (TR) | Obsolete | Ceramic | 265V | 60 mA | 125 mA | 1 A | - | - | - | 55 Ohms | 0°C ~ 60°C | - | - | - | Through Hole | 0.354" Dia x 0.197" T (9.00mm x 5.00mm) | 0.492" (12.50mm) | - | 0.197" (5.00mm) |
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B59875C0120A051PTC RESET FUSE 265V 55MA RADIAL |
7,739 |
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Datasheet | Radial, Disc | - | Tape & Reel (TR) | Obsolete | Ceramic | 265V | 55 mA | 110 mA | 1 A | - | - | - | 65 Ohms | 0°C ~ 60°C | - | - | - | Through Hole | 0.354" Dia x 0.197" T (9.00mm x 5.00mm) | 0.492" (12.50mm) | - | 0.197" (5.00mm) |
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B59890C0080A054PTC RESET FUSE 265V 15MA RADIAL |
5,374 |
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Datasheet | Radial, Disc | - | Tape & Reel (TR) | Obsolete | Ceramic | 265V | 15 mA | 40 mA | 200 mA | - | - | - | 150 Ohms | 0°C ~ 60°C | - | - | - | Through Hole | 0.157" Dia x 0.197" T (4.00mm x 5.00mm) | 0.295" (7.50mm) | - | 0.197" (5.00mm) |
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B59870C160A51PTC RESET FUSE 160V 125MA RADIAL |
9,652 |
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Datasheet | Radial, Disc | - | Tape & Reel (TR) | Active | Ceramic | 160V | 125 mA | 250 mA | 1 A | - | - | - | 25 Ohms | 0°C ~ 60°C | - | - | - | Through Hole | 0.354" Dia x 0.197" T (9.00mm x 5.00mm) | 0.492" (12.50mm) | - | 0.197" (5.00mm) |
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B59995C0160A051PTC RESET FUSE 20V 150MA RADIAL |
6,140 |
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Datasheet | Radial, Disc | B59995 | Tape & Reel (TR) | Obsolete | Ceramic | 20V | 150 mA | 300 mA | 700 mA | - | - | - | 13 Ohms | -40°C ~ 85°C | - | - | - | Through Hole | 0.157" Dia x 0.138" T (4.00mm x 3.50mm) | 0.295" (7.50mm) | - | 0.197" (5.00mm) |
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B59970C0080A051PTC RESET FUSE 80V 90MA RADIAL |
7,742 |
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Datasheet | Radial, Disc | B59970 | Tape & Reel (TR) | Obsolete | Ceramic | 80V | 90 mA | 190 mA | 3 A | - | - | - | 9.4 Ohms | -40°C ~ 85°C | - | - | - | Through Hole | 0.354" Dia x 0.138" T (9.00mm x 3.50mm) | 0.492" (12.50mm) | - | 0.197" (5.00mm) |
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.
How can I request pricing and availability?
Submit the part number, manufacturer and required quantity through our RFQ form. JIEXIN Electronics will review your request and provide available stock, pricing and sourcing information.
