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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RUEF250SPTC RESET FUSE 30V 2.5A RADIAL |
227 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RUEF | Bag | Active | Polymeric | 30V | 2.5 A | 5 A | 100 A | 10.3 s | 20 mOhms | 70 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.449" L x 0.118" W (11.40mm x 3.00mm) | 0.720" (18.30mm) | - | 0.199" (5.05mm) |
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RUEF090-APPTC RESET FUSE 30V 900MA RADIAL |
450 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RUEF | Cut Tape (CT) | Active | Polymeric | 30V | 900 mA | 1.8 A | 100 A | 5.9 s | 70 mOhms | 220 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.291" L x 0.118" W (7.40mm x 3.00mm) | 0.480" (12.20mm) | - | 0.199" (5.05mm) |
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RUEF300UPTC RESET FUSE 30V 3A RADIAL |
443 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RUEF | Bag | Active | Polymeric | 30V | 3 A | 6 A | 100 A | 10.8 s | 20 mOhms | 80 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.449" L x 0.118" W (11.40mm x 3.00mm) | 0.650" (16.50mm) | - | 0.199" (5.05mm) |
|
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RUEF300KPTC RESET FUSE 30V 3A RADIAL |
4,817 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RUEF | Bag | Active | Polymeric | 30V | 3 A | 6 A | 100 A | 10.8 s | 20 mOhms | 80 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.449" L x 0.118" W (11.40mm x 3.00mm) | 0.710" (18.03mm) | - | 0.199" (5.05mm) |
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RGEF250PTC RESET FUSE 16V 2.5A RADIAL |
146 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RGEF | Bag | Active | Polymeric | 16V | 2.5 A | 4.7 A | 100 A | 5 s | 22 mOhms | 53 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.350" L x 0.118" W (8.90mm x 3.00mm) | 0.504" (12.80mm) | - | 0.199" (5.05mm) |
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RKEF090PTC RESET FUSE 60V 900MA RADIAL |
508 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RKEF | Bag | Active | Polymeric | 60V | 900 mA | 1.8 A | 40 A | 2 s | 190 mOhms | 520 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.310" L x 0.140" W (7.87mm x 3.56mm) | 0.550" (13.97mm) | - | 0.200" (5.08mm) |
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RUEF300K-APPTC RESET FUSE 30V 3A RADIAL |
2,000 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RUEF | Cut Tape (CT) | Active | Polymeric | 30V | 3 A | 6 A | 100 A | 10.8 s | 20 mOhms | 80 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.449" L x 0.118" W (11.40mm x 3.00mm) | 0.650" (16.50mm) | - | 0.199" (5.05mm) |
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30R135UUPTC RESET FUSE 30V 1.35A RADIAL |
170 | - |
|
Datasheet | Radial, Disc | POLY-FUSE®, 30R | Bulk | Active | Polymeric | 30V | 1.35 A | 2.7 A | 40 A | 7.3 s | 40 mOhms | 130 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.350" L x 0.118" W (8.90mm x 3.00mm) | 0.532" (13.50mm) | - | 0.201" (5.10mm) |
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RUSBF250PTC RESET FUSE 16V 2.5A RADIAL |
325 | - |
|
Datasheet | Radial, Disc | PolySwitch®, RUSBF | Bag | Active | Polymeric | 16V | 2.5 A | 5 A | 40 A | 40 s | 20 mOhms | 60 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.449" L x 0.118" W (11.40mm x 3.00mm) | 0.720" (18.30mm) | - | 0.118" (3.00mm) |
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AHRF200PTC RESET FUSE 16V 2A RADIAL |
322 | - |
|
Datasheet | Radial, Disc | PolySwitch®, AHRF | Bag | Active | Polymeric | 16V | 2 A | 3.8 A | 100 A | 4.8 s | 39 mOhms | 110 mOhms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Through Hole | 0.370" Dia x 0.118" T (9.40mm x 3.00mm) | 0.567" (14.40mm) | - | 0.199" (5.05mm) |
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.
