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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B59975C160A51PTC RESET FUSE 20V 550MA RADIAL |
2,292 |
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Datasheet | Radial, Disc | - | Tape & Reel (TR) | Obsolete | Ceramic | 20V | 550 mA | 1.1 A | 3 A | - | - | - | 1.8 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) |
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B59975C0160A054PTC RESET FUSE 20V 550MA RADIAL |
2,235 |
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Datasheet | Radial, Disc | - | Tape & Reel (TR) | Obsolete | Ceramic | 20V | 550 mA | 1.1 A | 3 A | - | - | - | 1.8 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) |
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B59985C0160A051PTC RESET FUSE 20V 300MA RADIAL |
2,300 |
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Datasheet | Radial, Disc | B59985 | Tape & Reel (TR) | Obsolete | Ceramic | 20V | 300 mA | 600 mA | 1 A | - | - | - | 4.6 Ohms | -40°C ~ 85°C | - | - | - | Through Hole | 0.256" Dia x 0.138" T (6.50mm x 3.50mm) | 0.394" (10.00mm) | - | 0.197" (5.00mm) |
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B59990C0120A050PTC RESET FUSE 80V 50MA RADIAL |
2,797 |
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Datasheet | Radial, Disc | - | Tape & Reel (TR) | Obsolete | Ceramic | 80V | 50 mA | 100 mA | 700 mA | - | - | - | 55 Ohms | -40°C ~ 125°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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B59965C0120A054PTC RESET FUSE 30V 600MA RADIAL |
5,083 |
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Datasheet | Radial, Disc | - | Tape & Reel (TR) | Obsolete | Ceramic | 30V | 600 mA | 1.2 A | 4.3 A | - | - | - | 1.2 Ohms | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.433" Dia x 0.138" T (11.00mm x 3.50mm) | 0.571" (14.50mm) | - | 0.197" (5.00mm) |
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B59870C130A51PTC RESET FUSE 265V 100MA RADIAL |
7,027 |
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Datasheet | Radial, Disc | - | Tape & Reel (TR) | Active | Ceramic | 265V | 100 mA | 150 mA | 400 mA | - | - | - | 50 Ohms | 0°C ~ 60°C | - | - | - | Through Hole | 0.256" Dia x 0.197" T (6.50mm x 5.00mm) | 0.394" (10.00mm) | - | 0.197" (5.00mm) |
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B59890C80A51PTC RESET FUSE 265V 15MA RADIAL |
9,885 |
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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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B59890C0080A053PTC RESET FUSE 265V 15MA RADIAL |
2,344 |
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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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B59884C0120A051PTC RESET FUSE 420V 21MA RADIAL |
4,066 |
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Datasheet | Radial, Disc | - | Tape & Reel (TR) | Obsolete | Ceramic | 420V | 21 mA | 39 mA | 200 mA | - | - | - | 600 Ohms | 0°C ~ 60°C | - | - | - | Through Hole | 0.256" Dia x 0.197" T (6.50mm x 5.00mm) | 0.394" (10.00mm) | - | 0.197" (5.00mm) |
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B59880C80A51PTC RESET FUSE 265V 30MA RADIAL |
3,299 |
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Datasheet | Radial, Disc | - | Tape & Reel (TR) | Obsolete | Ceramic | 265V | 30 mA | 70 mA | 400 mA | - | - | - | 70 Ohms | 0°C ~ 60°C | - | - | - | Through Hole | 0.256" Dia x 0.197" T (6.50mm x 5.00mm) | 0.394" (10.00mm) | - | 0.197" (5.00mm) |
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B59960C0080A051PTC RESET FUSE 80V 130MA RADIAL |
2,297 |
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Datasheet | Radial, Disc | - | Tape & Reel (TR) | Obsolete | Ceramic | 80V | 130 mA | 265 mA | 4.3 A | - | - | - | 5.6 Ohms | -40°C ~ 85°C | - | - | - | Through Hole | 0.433" Dia x 0.138" T (11.00mm x 3.50mm) | 0.571" (14.50mm) | - | 0.197" (5.00mm) |
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B59965C0160A054PTC RESET FUSE 20V 700MA RADIAL |
7,588 |
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Datasheet | Radial, Disc | - | Tape & Reel (TR) | Obsolete | Ceramic | 20V | 700 mA | 1.45 A | 4.3 A | - | - | - | 1.2 Ohms | -40°C ~ 85°C | - | - | - | Through Hole | 0.433" Dia x 0.138" T (11.00mm x 3.50mm) | 0.571" (14.50mm) | - | 0.197" (5.00mm) |
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B59965C120A51PTC RESET FUSE 30V 600MA RADIAL |
5,051 |
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Datasheet | Radial, Disc | - | Tape & Reel (TR) | Obsolete | Ceramic | 30V | 600 mA | 1.2 A | 4.3 A | - | - | - | 1.2 Ohms | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.433" Dia x 0.138" T (11.00mm x 3.50mm) | 0.571" (14.50mm) | - | 0.197" (5.00mm) |
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B59960C0120A054PTC RESET FUSE 80V 250MA RADIAL |
8,491 |
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Datasheet | Radial, Disc | - | Tape & Reel (TR) | Obsolete | Ceramic | 80V | 250 mA | 500 mA | 4.3 A | - | - | - | 5.6 Ohms | -40°C ~ 125°C | - | - | - | Through Hole | 0.433" Dia x 0.138" T (11.00mm x 3.50mm) | 0.571" (14.50mm) | - | 0.197" (5.00mm) |
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HVR250P145CFPTC RESET FUSE 60V 145MA RADIAL |
9,302 |
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Datasheet | Radial, Disc | POLY-FUSE®, HVR250 | Tape & Box (TB) | Obsolete | Polymeric | 60V (250V Int) | 145 mA | 290 mA | 3 A | 2.5 s | 3 Ohms | 14 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.236" Dia x 0.201" T (6.00mm x 5.10mm) | 0.492" (12.50mm) | - | 0.217" (5.50mm) |
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HVR250P120UFPTC RESET FUSE 60V 120MA RADIAL |
3,040 |
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Datasheet | Radial, Disc | POLY-FUSE®, HVR250 | Tape & Box (TB) | Obsolete | Polymeric | 60V (250V Int) | 120 mA | 240 mA | 3 A | 1 s | 6 Ohms | 16 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.236" Dia x 0.201" T (6.00mm x 5.10mm) | 0.394" (10.00mm) | - | 0.217" (5.50mm) |
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HVR250P120CRCFPTC RESET FUSE 60V 120MA RADIAL |
9,292 |
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Datasheet | Radial, Disc | POLY-FUSE®, HVR250 | Tape & Box (TB) | Obsolete | Polymeric | 60V (250V Int) | 120 mA | 240 mA | 3 A | 850 ms | 5.4 Ohms | 14 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.268" Dia x 0.201" T (6.80mm x 5.10mm) | 0.492" (12.50mm) | - | 0.217" (5.50mm) |
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HVR250P180UFPTC RESET FUSE 60V 180MA RADIAL |
3,340 |
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Datasheet | Radial, Disc | POLY-FUSE®, HVR250 | Tape & Box (TB) | Obsolete | Polymeric | 60V (250V Int) | 180 mA | 650 mA | 10 A | 15 s | 800 mOhms | 4 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.409" L x 0.201" W (10.40mm x 5.10mm) | 0.520" (13.20mm) | - | 0.217" (5.50mm) |
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HVR250P180CFPTC RESET FUSE 60V 180MA RADIAL |
2,826 |
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Datasheet | Radial, Disc | POLY-FUSE®, HVR250 | Tape & Box (TB) | Obsolete | Polymeric | 60V (250V Int) | 180 mA | 650 mA | 3 A | 21 s | 800 mOhms | 4 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.472" L x 0.201" W (12.00mm x 5.10mm) | 0.520" (13.20mm) | - | 0.217" (5.50mm) |
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HVR250P120CR2FPTC RESET FUSE 60V 120MA RADIAL |
2,110 |
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Datasheet | Radial, Disc | POLY-FUSE®, HVR250 | Tape & Box (TB) | Obsolete | Polymeric | 60V (250V Int) | 120 mA | 240 mA | 3 A | 700 ms | 8 Ohms | 16 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.268" Dia x 0.201" T (6.80mm x 5.10mm) | 0.492" (12.50mm) | - | 0.217" (5.50mm) |
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.
