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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RF4929-000PICOASMDCH020F-2 |
2,412 | - |
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Datasheet | 0805 (2012 Metric), Concave | PolySwitch®, SMD | Tape & Reel (TR) | Active | Polymeric | 16V | 200 mA | 700 mA | 40 A | 100 ms | 750 mOhms | 3.4 Ohms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Surface Mount | 0.083" L x 0.055" W (2.10mm x 1.40mm) | - | 0.031" (0.80mm) | - |
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RF1915-000VLP220N-C30IIF |
6,711 | - |
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Datasheet | - | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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15LR260UPTC RESET FUSE 15V 2.6A STRAP |
4,444 | - |
|
Datasheet | Strap | POLY-FUSE®, LR | Bulk | Obsolete | Polymeric | 15V | 2.6 A | 5.8 A | 100 A | 5 s | 20 mOhms | 63 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.866" L x 0.205" W (22.00mm x 5.20mm) | - | 0.039" (1.00mm) | - |
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SMD1812P110TF/16APTC RESET FUSE 16V 1.1A 1812 |
5,117 | - |
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Datasheet | 1812 (4532 Metric), Concave | POLY-FUSE®, SMD1812 | Tape & Reel (TR) | Obsolete | Polymeric | 16V | 1.1 A | 1.95 A | 40 A | 500 ms | 60 mOhms | 180 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.039" (1.00mm) | - |
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RF5055-000PICOASMDC110S-2 |
8,209 | - |
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Datasheet | 0805 (2012 Metric), Concave | PolySwitch® picoASMDC | Tape & Reel (TR) | Active | Polymeric | 6V | 1.1 A | 2.2 A | 40 A | 200 ms | 50 mOhms | 170 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.083" L x 0.055" W (2.10mm x 1.40mm) | - | 0.047" (1.20mm) | - |
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RF5054-000PICOASMDC075S-2 |
7,322 | - |
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Datasheet | 0805 (2012 Metric), Concave | PolySwitch® picoASMDC | Tape & Reel (TR) | Active | Polymeric | 6V | 750 mA | 1.5 A | 40 A | 200 ms | 100 mOhms | 350 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.083" L x 0.055" W (2.10mm x 1.40mm) | - | 0.037" (0.93mm) | - |
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RF5053-000PICOASMDC050S-2 |
9,985 | - |
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Datasheet | 0805 (2012 Metric), Concave | PolySwitch® picoASMDC | Tape & Reel (TR) | Active | Polymeric | 6V | 500 mA | 1 A | 100 A | 100 ms | 150 mOhms | 800 mOhms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.083" L x 0.055" W (2.10mm x 1.40mm) | - | 0.037" (0.93mm) | - |
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RF5051-000PICOASMDC020S-2 |
9,957 | - |
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Datasheet | 0805 (2012 Metric), Concave | PolySwitch® picoASMDC | Tape & Reel (TR) | Active | Polymeric | 9V | 200 mA | 470 mA | 100 A | 100 ms | 750 mOhms | 3.2 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.083" L x 0.055" W (2.10mm x 1.40mm) | - | 0.027" (0.68mm) | - |
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RF5052-000PICOASMDC035S-2 |
9,834 | - |
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Datasheet | 0805 (2012 Metric), Concave | PolySwitch® picoASMDC | Tape & Reel (TR) | Active | Polymeric | 6V | 350 mA | 750 mA | 100 A | 200 ms | 350 mOhms | 1.4 Ohms | - | -40°C ~ 85°C | Automotive | AEC-Q200 | - | Surface Mount | 0.083" L x 0.055" W (2.10mm x 1.40mm) | - | 0.027" (0.68mm) | - |
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LR4-250UFPTC RESET FUSE 15V 2.5A STRAP |
9,296 | - |
|
Datasheet | Strap | PolySwitch®, LR4 | Bulk | Obsolete | Polymeric | 15V | 2.5 A | - | 100 A | - | - | - | - | - | - | - | - | User Defined | - | - | - | - |
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.
