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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B59960C0120A051PTC RESET FUSE 80V 250MA RADIAL |
6,911 | - |
|
Datasheet | Radial, Disc | B59960 | Tape & Reel (TR) | Active | 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) |
|
B59975C0120A051PTC RESET FUSE 30V 450MA RADIAL |
4,648 | - |
|
Datasheet | Radial, Disc | B59975 | Tape & Reel (TR) | Active | Ceramic | 30V | 450 mA | 900 mA | 3 A | - | - | - | 1.8 Ohms | -40°C ~ 85°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) |
|
B59850C0130A051PTC RESET FUSE 265V 200MA RADIAL |
3,408 | - |
|
Datasheet | Radial, Disc | - | Tape & Reel (TR) | Active | Ceramic | 265V | 200 mA | 320 mA | 1.5 A | - | - | - | 13 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) |
|
B59950C0120A051PTC RESET FUSE 80V 320MA RADIAL |
4,206 | - |
|
Datasheet | Radial, Disc | B59950 | Tape & Reel (TR) | Active | Ceramic | 80V | 320 mA | 640 mA | 5.5 A | - | - | - | 3.7 Ohms | -40°C ~ 85°C | - | - | - | Through Hole | 0.532" Dia x 0.138" T (13.50mm x 3.50mm) | 0.669" (17.00mm) | - | 0.197" (5.00mm) |
|
B59870C0080A051PTC RESET FUSE 265V 60MA RADIAL |
2,884 | - |
|
Datasheet | Radial, Disc | - | Tape & Reel (TR) | Active | Ceramic | 265V | 60 mA | 130 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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B59930C0130A070PTC RESET FUSE 80V 700MA RADIAL |
8,121 | - |
|
Datasheet | Radial, Disc | - | Bulk | Active | Ceramic | 80V | 700 mA | 1.1 A | 8 A | - | - | - | 2.2 Ohms | 0°C ~ 60°C | - | - | - | 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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B59850C0080A051PTC RESET FUSE 265V 110MA RADIAL |
8,460 | - |
|
Datasheet | Radial, Disc | - | Tape & Reel (TR) | Obsolete | Ceramic | 265V | 110 mA | 230 mA | 2.2 A | - | - | - | 10 Ohms | 0°C ~ 60°C | - | - | - | Through Hole | 0.532" Dia x 0.197" T (13.50mm x 5.00mm) | 0.669" (17.00mm) | - | 0.197" (5.00mm) |
|
B59750B0120A070PTC RESET FUSE 420V RADIAL DISC |
3,510 | - |
|
Datasheet | Radial, Disc | - | Bulk | Obsolete | Ceramic | 420V | - | 245 mA | 2 A | 6 s | - | - | 25 Ohms | 0°C ~ 60°C | - | - | - | Through Hole | 0.492" Dia x 0.197" T (12.50mm x 5.00mm) | 0.650" (16.50mm) | - | 0.197" (5.00mm) |
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B59752B0120A070PTC RESET FUSE 420V RADIAL DISC |
6,135 | - |
|
Datasheet | Radial, Disc | - | Bulk | Obsolete | Ceramic | 420V | - | 137 mA | 2 A | 4 s | - | - | 80 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) |
|
B59751B0120A070PTC RESET FUSE 420V RADIAL DISC |
2,148 | - |
|
Datasheet | Radial, Disc | - | Bulk | Obsolete | Ceramic | 420V | - | 173 mA | 2 A | 4 s | - | - | 50 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) |
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.
