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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
B59770B0120A070PTC RESET FUSE 420V RADIAL DISC |
930 | - |
|
Datasheet | Radial, Disc | B59770 | Bulk | Active | Ceramic | 420V | - | 127 mA | 1.4 A | 4 s | - | - | 70 Ohms | 0°C ~ 60°C | - | - | - | Through Hole | 0.335" Dia x 0.276" T (8.50mm x 7.00mm) | 0.197" (5.00mm) | - | 0.197" (5.00mm) |
|
B59860C0080A070PTC RESET FUSE 265V 90MA RADIAL |
990 | - |
|
Datasheet | Radial, Disc | - | Bulk | Active | Ceramic | 265V | 90 mA | 180 mA | 1.5 A | - | - | - | 15 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) |
|
B59850C0080A070PTC RESET FUSE 265V 110MA RADIAL |
943 | - |
|
Datasheet | Radial, Disc | - | Bulk | Active | 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) |
|
B59301P1080A062PTC RESET FUSE 30V 100MA 4032 |
946 | - |
|
Datasheet | 4032 (1080 Metric) | B59301 | Tape & Reel (TR) | Active | Ceramic | 30V | 100 mA | 200 mA | 1 A | - | - | - | 25 Ohms | -40°C ~ 60°C | Automotive | AEC-Q200 | - | Surface Mount | 0.394" L x 0.315" W (10.00mm x 8.00mm) | - | 0.150" (3.80mm) | - |
|
B59753B0120A070PTC RESET FUSE 420V RADIAL DISC |
1,000 | - |
|
Datasheet | Radial, Disc | - | Bulk | Active | Ceramic | 420V | - | 112 mA | 2 A | 3 s | - | - | 120 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) |
|
B59884C0120A054PTC RESET FUSE 420V 21MA RADIAL |
5,256 | - |
|
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) |
|
|
B59870C0120A070PTC RESET FUSE 265V 100MA RADIAL |
2,374 | - |
|
Datasheet | Radial, Disc | - | Bulk | Active | Ceramic | 265V | 100 mA | 200 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) |
|
B59754B0120A070PTC RESET FUSE 420V RADIAL DISC |
1,334 | - |
|
Datasheet | Radial, Disc | - | Bulk | Active | Ceramic | 420V | - | 100 mA | 2 A | 3 s | - | - | 150 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) |
|
B59810C0130A070PTC RESET FUSE 265V 650MA RADIAL |
4,841 | - |
|
Datasheet | Radial, Disc | - | Bulk | Active | Ceramic | 265V | 650 mA | 980 mA | 7 A | - | - | - | 3.5 Ohms | 0°C ~ 60°C | - | - | - | Through Hole | 0.866" Dia x 0.197" T (22.00mm x 5.00mm) | 1.004" (25.50mm) | - | 0.197" (5.00mm) |
|
B59980C0130A070PTC RESET FUSE 80V 85MA RADIAL |
961 | - |
|
Datasheet | Radial, Disc | B59980 | Bulk | Active | Ceramic | 80V | 85 mA | 130 mA | 700 mA | - | - | - | 62 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) |
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.
