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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B59772B0120A070PTC RESET FUSE 420V RADIAL DISC |
893 | - |
|
Datasheet | Radial, Disc | B59772 | Bulk | Active | Ceramic | 420V | - | 86 mA | 1.4 A | 3 s | - | - | 150 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) |
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B59315P1080A062THERMISTOR PTC 25% 4032 |
767 | - |
|
Datasheet | 4032 (1080 Metric) | B59315 | Tape & Reel (TR) | Active | Ceramic | 80V | 80 mA | 165 mA | 1.6 A | - | 9.6 Ohms | 16 Ohms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Surface Mount | 0.394" L x 0.315" W (10.00mm x 8.00mm) | - | 0.150" (3.80mm) | - |
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B59955C0120A070PTC RESET FUSE 30V 850MA RADIAL |
1,606 | - |
|
Datasheet | Radial, Disc | B59955 | Bulk | Active | 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) |
|
B59850C0160A070PTC RESET FUSE 160V 250MA RADIAL |
119 | - |
|
Datasheet | Radial, Disc | - | Bulk | Active | Ceramic | 160V | 250 mA | 500 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) |
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B59870C0120A051PTC RESET FUSE 265V 100MA RADIAL |
10,321 | - |
|
Datasheet | Radial, Disc | - | Tape & Reel (TR) | 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) |
|
|
B59873C0120A051PTC RESET FUSE 265V 70MA RADIAL |
4,000 | - |
|
Datasheet | Radial, Disc | - | Tape & Reel (TR) | Active | Ceramic | 265V | 70 mA | 140 mA | 1 A | - | - | - | 45 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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B59115P1120A062PTC RESET FUSE 80V 70MA 3225 |
1,900 | - |
|
Datasheet | 3225 (8063 Metric) | B59115 | Tape & Reel (TR) | Active | Ceramic | 80V | 70 mA | 145 mA | 700 mA | - | - | - | 55 Ohms | -40°C ~ 60°C | Automotive | AEC-Q200 | - | Surface Mount | 0.315" L x 0.248" W (8.00mm x 6.30mm) | - | 0.150" (3.80mm) | - |
|
B59945C0160A070PTC RESET FUSE 20V 1.5A RADIAL |
2,440 | - |
|
Datasheet | Radial, Disc | B59945 | Bulk | Active | Ceramic | 20V | 1.5 A | 3.05 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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B59945C0120A070PTC RESET FUSE 30V 1.3A RADIAL |
1,335 | - |
|
Datasheet | Radial, Disc | B59945 | Bulk | Active | 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) |
|
B59840C0080A070PTC RESET FUSE 265V 170MA RADIAL |
304 | - |
|
Datasheet | Radial, Disc | - | Bulk | Active | Ceramic | 265V | 170 mA | 350 mA | 4.1 A | - | - | - | 6 Ohms | 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) |
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.
