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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SMD1812B020TFPTC RESET FUSE 30V 200MA 1812 |
3,989 | - |
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Datasheet | 1812 (4532 Metric), Concave | SMD1812 | Tape & Reel (TR) | Active | Polymeric | 30V | 200 mA | 400 mA | 100 A | 20 ms | 800 mOhms | 5 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.049" (1.25mm) | - |
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SMD1812B020TF-JPTC RESET FUSE 60V 200MA 1812 |
2,930 | - |
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Datasheet | 1812 (4532 Metric), Concave | SMD1812 | Tape & Reel (TR) | Active | Polymeric | 60V | 200 mA | 400 mA | 40 A | 2 s | 700 mOhms | 5 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.049" (1.25mm) | - |
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SMD1812B014TFPTC RESET FUSE 60V 140MA 1812 |
1,549 | - |
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Datasheet | 1812 (4532 Metric), Concave | SMD1812 | Tape & Reel (TR) | Active | Polymeric | 60V | 140 mA | 340 mA | 10 A | 150 ms | 1.5 Ohms | 6 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.077" (1.95mm) | - |
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SMD0603B010TFPTC RESET FUSE 15V 100MA 0603 |
2,404 | - |
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Datasheet | 0603 (1608 Metric), Concave | SMD0603 | Tape & Reel (TR) | Active | Polymeric | 15V | 100 mA | 300 mA | 40 A | 1 s | 900 mOhms | 6 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.063" L x 0.031" W (1.60mm x 0.80mm) | - | 0.039" (0.98mm) | - |
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SMD1812B125TF/16PTC RESET FUSE 16V 1.25A 1812 |
5,553 | - |
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Datasheet | 1812 (4532 Metric), Concave | SMD1812 | Tape & Reel (TR) | Active | Polymeric | 16V | 1.25 A | 2.5 A | 100 A | 400 ms | 50 mOhms | 140 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.059" (1.50mm) | - |
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SMD1812B075TF/24PTC RESET FUSE 24V 750MA 1812 |
1,475 | - |
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Datasheet | 1812 (4532 Metric), Concave | SMD1812 | Tape & Reel (TR) | Active | Polymeric | 24V | 750 mA | 1.5 A | 100 A | 200 ms | 100 mOhms | 290 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.061" (1.55mm) | - |
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BK30-185-SIPTC RESET FUSE 30V 1.85A RAD |
17,956 | - |
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Datasheet | Radial, Disc | BK30 | Bulk | Active | Polymeric | 30V | 1.85 A | 3.7 A | 40 A | 8.7 s | 35 mOhms | 120 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.386" L x 0.122" W (9.80mm x 3.10mm) | 0.732" (18.60mm) | - | 0.201" (5.10mm) |
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SMD2920B185TFPTC RESET FUSE 33V 1.85A 2920 |
3,548 | - |
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Datasheet | 2920 (7351 Metric), Concave | SMD2920 | Tape & Reel (TR) | Active | Polymeric | 33V | 1.85 A | 3.7 A | 40 A | 2.5 s | 30 mOhms | 150 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.049" (1.25mm) | - |
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SMD2920B200TF/24PTC RESET FUSE 24V 2A 2920 |
9,281 | - |
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Datasheet | 2920 (7351 Metric), Concave | SMD2920 | Tape & Reel (TR) | Active | Polymeric | 24V | 2 A | 4 A | 40 A | 5 s | 20 mOhms | 125 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.049" (1.25mm) | - |
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SMD2920B150TFPTC RESET FUSE 33V 1.5A 2920 |
5,475 | - |
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Datasheet | 2920 (7351 Metric), Concave | SMD2920 | Tape & Reel (TR) | Active | Polymeric | 33V | 1.5 A | 3 A | 40 A | 2 s | 35 mOhms | 230 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.049" (1.25mm) | - |
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.
