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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SMD2920B050TFPTC RESET FUSE 60V 500MA 2920 |
1,416 |
|
Datasheet | 2920 (7351 Metric), Concave | SMD2920 | Tape & Reel (TR) | Active | Polymeric | 60V | 500 mA | 1 A | 10 A | 2.5 s | 180 mOhms | 1.4 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.045" (1.15mm) | - |
|
BK250-2000-SZPTC RESET FUSE 250V 2A RAD |
184 |
|
Datasheet | Radial, Disc | BK250 | Bulk | Active | Polymeric | 250V | 2 A | 4 A | 10 A | 28 s | 100 mOhms | 400 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 1.031" L x 0.181" W (26.20mm x 4.60mm) | 1.291" (32.80mm) | - | 0.402" (10.20mm) |
|
SMD1812B050TF/30PTC RESET FUSE 30V 500MA 1812 |
1,517 |
|
Datasheet | 1812 (4532 Metric), Concave | SMD1812 | Tape & Reel (TR) | Active | Polymeric | 30V | 500 mA | 1 A | 100 A | 150 ms | 150 mOhms | 1 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.083" (2.10mm) | - |
|
SMD0805B075TFPTC RESET FUSE 6V 750MA 0805 |
500 |
|
Datasheet | 0805 (2012 Metric), Concave | SMD0805 | Tape & Reel (TR) | Active | Polymeric | 6V | 750 mA | 1.5 A | 40 A | 200 ms | 90 mOhms | 350 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.083" L x 0.053" W (2.10mm x 1.35mm) | - | 0.049" (1.25mm) | - |
|
|
SMD1812B075TF/33PTC RESET FUSE 33V 750MA 1812 |
1,979 |
|
Datasheet | 1812 (4532 Metric), Concave | SMD1812 | Tape & Reel (TR) | Active | Polymeric | 33V | 750 mA | 1.5 A | 20 A | 200 ms | 100 mOhms | 400 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.061" (1.55mm) | - |
|
|
SMD0603B020TFPTC RESET FUSE 9V 200MA 0603 |
463 |
|
Datasheet | 0603 (1608 Metric), Concave | SMD0603 | Tape & Reel (TR) | Active | Polymeric | 9V | 200 mA | 500 mA | 40 A | 60 ms | 550 mOhms | 3.5 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.063" L x 0.031" W (1.60mm x 0.80mm) | - | 0.039" (0.98mm) | - |
|
|
SMD1812B110TF/33PTC RESET FUSE 33V 1.1A 1812 |
225 |
|
Datasheet | 1812 (4532 Metric), Concave | SMD1812 | Tape & Reel (TR) | Active | Polymeric | 33V | 1.1 A | 1.95 A | 20 A | 500 ms | 60 mOhms | 200 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.079" (2.00mm) | - |
|
|
SMD1812B300TFTPTC RESET FUSE 6V 3A 1812 |
449 |
|
Datasheet | 1812 (4532 Metric), Concave | SMD1812 | Tape & Reel (TR) | Active | Polymeric | 6V | 3 A | 5 A | 100 A | 4 s | 12 mOhms | 40 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.179" L x 0.128" W (4.55mm x 3.24mm) | - | 0.063" (1.60mm) | - |
|
SMD2016B050TFPTC RESET FUSE 60V 550MA 2016 |
1,355 |
|
Datasheet | 2016 (5041 Metric), Concave | SMD2016 | Tape & Reel (TR) | Active | Polymeric | 60V | 550 mA | 1.1 A | 20 A | 5 s | 200 mOhms | 1 Ohms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.200" L x 0.160" W (5.08mm x 4.07mm) | - | 0.079" (2.00mm) | - |
|
BK250-600-SZPTC RESET FUSE 250V 600MA RAD |
204 |
|
Datasheet | Radial, Disc | BK250 | Bulk | Active | Polymeric | 250V | 600 mA | 1.2 A | 10 A | 8 s | 600 mOhms | 2 Ohms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.630" L x 0.181" W (16.00mm x 4.60mm) | 0.709" (18.00mm) | - | 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.
