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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B59755B0115A070PTC RESET FUSE 550V RADIAL DISC |
6,336 | - |
|
Datasheet | Radial, Disc | - | Bulk | Obsolete | Ceramic | 550V | - | 55 mA | 1.4 A | 3 s | - | - | 500 Ohms | 0°C ~ 60°C | - | - | - | Through Hole | 0.492" Dia x 0.276" T (12.50mm x 7.00mm) | 0.650" (16.50mm) | - | 0.197" (5.00mm) |
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B59758B0110A070PTC RESET FUSE 1.0KV RADIAL DISC |
4,397 | - |
|
Datasheet | Radial, Disc | - | Bulk | Obsolete | Ceramic | 1.0kV | - | 17 mA | 500 mA | 3 s | - | - | 7.5 kOhms | 0°C ~ 60°C | - | - | - | Through Hole | 0.492" Dia x 0.276" T (12.50mm x 7.00mm) | 0.650" (16.50mm) | - | 0.197" (5.00mm) |
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B59830C80A70PTC RESET FUSE 265V 250MA RADIAL |
8,489 | - |
|
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 | - |
|
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 | - |
|
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) |
|
B59860C120A54PTC RESET FUSE 265V 140MA RADIAL |
2,286 | - |
|
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 | - |
|
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 | - |
|
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) |
|
B59880C0120A054PTC RESET FUSE 265V 55MA RADIAL |
3,489 | - |
|
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) |
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.
