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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B59835T1120A062THERMISTOR PTC 35 OHM 15% 4SMD |
1,000 | - |
|
Datasheet | 4-SMD | - | Tape & Reel (TR) | Active | Ceramic | 135VAC | 75 mA | 115 mA | 4.6 A | 0.06 s | 35 Ohms | - | - | 0°C ~ 70°C | - | - | - | Surface Mount | 0.413" L x 0.335" W (10.50mm x 8.50mm) | - | 0.453" (11.50mm) | - |
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B59880C0120A051PTC RESET FUSE 265V 55MA RADIAL |
3,718 | - |
|
Datasheet | Radial, Disc | - | Tape & Reel (TR) | Active | 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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B59985C0120A070PTC RESET FUSE 30V 250MA RADIAL |
6,655 | - |
|
Datasheet | Radial, Disc | B59985 | Bulk | Active | Ceramic | 30V | 250 mA | 500 mA | 1 A | - | - | - | 4.6 Ohms | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Through Hole | 0.256" Dia x 0.138" T (6.50mm x 3.50mm) | 0.394" (10.00mm) | - | 0.197" (5.00mm) |
|
B59890C0080A070PTC RESET FUSE 265V 15MA RADIAL |
2,052 | - |
|
Datasheet | Radial, Disc | - | Bulk | Active | 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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B59910C0130A070PTC RESET FUSE 80V 1A RADIAL |
3,464 | - |
|
Datasheet | Radial, Disc | - | Bulk | Active | Ceramic | 80V | 1 A | 1.5 A | 10 A | - | - | - | 1.2 Ohms | 0°C ~ 60°C | - | - | - | Through Hole | 0.866" Dia x 0.138" T (22.00mm x 3.50mm) | 1.004" (25.50mm) | - | 0.197" (5.00mm) |
|
B59955C0160A070PTC RESET FUSE 20V 950MA RADIAL |
2,079 | - |
|
Datasheet | Radial, Disc | B59955 | Bulk | Active | Ceramic | 20V | 950 mA | 1.9 A | 5.5 A | - | - | - | 800 mOhms | -40°C ~ 85°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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B59950C0080A070PTC RESET FUSE 80V 170MA RADIAL |
8,403 | - |
|
Datasheet | Radial, Disc | B59950 | Bulk | Active | Ceramic | 80V | 170 mA | 350 mA | 5.5 A | - | - | - | 3.7 Ohms | -40°C ~ 125°C | - | - | - | 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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B59990C0080A051PTC RESET FUSE 80V 30MA RADIAL |
3,588 | - |
|
Datasheet | Radial, Disc | B59990 | Tape & Reel (TR) | Active | Ceramic | 80V | 30 mA | 60 mA | 700 mA | - | - | - | 55 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) |
|
B59970C0120A051PTC RESET FUSE 80V 150MA RADIAL |
6,543 | - |
|
Datasheet | Radial, Disc | B59970 | Tape & Reel (TR) | Active | Ceramic | 80V | 150 mA | 300 mA | 3 A | - | - | - | 9.4 Ohms | -40°C ~ 125°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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B59975C0120A054PTC RESET FUSE 30V 450MA RADIAL |
4,794 | - |
|
Datasheet | Radial, Disc | - | Tape & Reel (TR) | Obsolete | Ceramic | 30V | 450 mA | 900 mA | 3 A | - | - | - | 1.8 Ohms | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.354" Dia x 0.138" T (9.00mm x 3.50mm) | 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.
