PTC Resettable Fuses
Review PTC Resettable Fuses Circuit Protection components in this filtered selection. Compare manufacturer information, availability, pricing, datasheets and key specifications to narrow down suitable parts for your application.
If the exact part or specification you need is not listed, send the manufacturer part number, target parameters and quantity to JIEXIN Electronics for sourcing and quotation support.
| Photo | Mfr. Part # | Availability | 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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SMD2920B500TF/16PTC RESET FUSE 16V 5A 2920 |
105 |
|
Datasheet | 2920 (7351 Metric), Concave | SMD2920 | Tape & Reel (TR) | Active | Polymeric | 16V | 5 A | 10 A | 40 A | 5 s | 5 mOhms | 31 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.063" (1.60mm) | - |
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SMD1812B110TF/16PTC RESET FUSE 16V 1.1A 1812 |
167 |
|
Datasheet | 1812 (4532 Metric), Concave | SMD1812 | Tape & Reel (TR) | Active | Polymeric | 16V | 1.1 A | 1.95 A | 100 A | 300 ms | 60 mOhms | 180 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.079" (2.00mm) | - |
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SMD1812B110TF/24PTC RESET FUSE 8V 1.1A 1812 |
200 |
|
Datasheet | 1812 (4532 Metric), Concave | SMD1812 | Tape & Reel (TR) | Active | Polymeric | 8V | 1.1 A | 2.2 A | 100 A | 300 ms | 40 mOhms | 210 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.079" (2.00mm) | - |
|
SMD1812B260TF/12PTC RESET FUSE 12V 2.6A 1812 |
839 |
|
Datasheet | 1812 (4532 Metric), Concave | SMD1812 | Tape & Reel (TR) | Active | Polymeric | 12V | 2.6 A | 5 A | 100 A | 5 s | 15 mOhms | 55 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.071" (1.80mm) | - |
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BK30-300-SZPTC RESET FUSE 30V 3A RAD |
190 |
|
Datasheet | Radial, Disc | BK30 | Bulk | Active | Polymeric | 30V | 3 A | 6 A | 40 A | 10.8 s | 22 mOhms | 70 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.520" L x 0.122" W (13.20mm x 3.10mm) | 0.807" (20.50mm) | - | 0.201" (5.10mm) |
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SMD2920B100TFPTC RESET FUSE 33V 1.1A 2920 |
844 |
|
Datasheet | 2920 (7351 Metric), Concave | SMD2920 | Tape & Reel (TR) | Active | Polymeric | 33V | 1.1 A | 2.2 A | 40 A | 500 ms | 65 mOhms | 410 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.039" (0.98mm) | - |
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SMD2920B075TF/60PTC RESET FUSE 60V 750MA 2920 |
265 |
|
Datasheet | 2920 (7351 Metric), Concave | SMD2920 | Tape & Reel (TR) | Active | Polymeric | 60V | 750 mA | 1.5 A | 10 A | 300 ms | 100 mOhms | 950 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.071" (1.80mm) | - |
|
BK250-400-SZPTC RESET FUSE 250V 400MA RAD |
240 |
|
Datasheet | Radial, Disc | BK250 | Bulk | Active | Polymeric | 250V | 400 mA | 800 mA | 10 A | 9 s | 1 Ohms | 3 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.441" L x 0.181" W (11.20mm x 4.60mm) | 0.768" (19.50mm) | - | 0.201" (5.10mm) |
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BK30-090-SIPTC RESET FUSE 30V 900MA RAD |
1,000 |
|
Datasheet | Radial, Disc | BK30 | Bulk | Active | Polymeric | 30V | 900 mA | 1.8 A | 40 A | 5.9 s | 90 mOhms | 220 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.291" L x 0.122" W (7.40mm x 3.10mm) | 0.571" (14.50mm) | - | 0.201" (5.10mm) |
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BK30-135-SIPTC RESET FUSE 30V 1.35A RAD |
1,000 |
|
Datasheet | Radial, Disc | BK30 | Bulk | Active | Polymeric | 30V | 1.35 A | 2.7 A | 40 A | 7.3 s | 55 mOhms | 160 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.362" L x 0.122" W (9.20mm x 3.10mm) | 0.661" (16.80mm) | - | 0.201" (5.10mm) |
Frequently Asked Questions
What are PTC Resettable Fuses components used for?
PTC Resettable Fuses components are used in a wide range of electronic equipment and systems. Their exact function depends on the device, circuit design and technical requirements of the application.
How do I choose the right PTC Resettable Fuses part?
Compare the manufacturer part number, key specifications, package type, operating conditions, availability and datasheet information. For replacement projects, always verify the critical electrical and mechanical parameters before selecting an alternative.
Can JIEXIN Electronics help source obsolete or hard-to-find PTC Resettable Fuses parts?
Yes. Send us the required manufacturer part number, quantity or BOM. Our sourcing team can help check stock availability, lead time, alternative sourcing options and quotation details.
How can I request pricing and availability?
Submit the part number, manufacturer and required quantity through our RFQ form. JIEXIN Electronics will review your request and provide available stock, pricing and sourcing information.
