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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
2920L260/24DRPTC RESET FUSE 24V 2.6A 2920 |
476 |
|
Datasheet | 2920 (7351 Metric), Concave | POLY-FUSE®, 2920L | Tape & Reel (TR) | Active | Polymeric | 24V | 2.6 A | 5 A | 40 A | 10 s | 25 mOhms | 75 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.290" L x 0.202" W (7.36mm x 5.12mm) | - | 0.049" (1.25mm) | - |
|
RXEF300PTC RESET FUSE 72V 3A RADIAL |
9,263 |
|
Datasheet | Radial, Disc | PolySwitch®, RXEF | Bag | Active | Polymeric | 72V | 3 A | 6 A | 40 A | 19.8 s | 40 mOhms | 100 mOhms | - | -40°C ~ 85°C | - | - | - | Through Hole | 0.941" Dia x 0.118" T (23.90mm x 3.00mm) | 1.126" (28.60mm) | - | 0.400" (10.15mm) |
|
1812L260/16MRPTC RESET FUSE 16V 2.6A 1812 |
8,508 |
|
Datasheet | 1812 (4532 Metric), Concave | POLY-FUSE®, 1812L | Tape & Reel (TR) | Active | Polymeric | 16V | 2.6 A | 5 A | 100 A | 5 s | 15 mOhms | 50 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.186" L x 0.131" W (4.72mm x 3.33mm) | - | 0.079" (2.00mm) | - |
|
NANOASMDCH035F/30-2PTC RESET FUSE 30V 350MA 1206 |
8,431 |
|
Datasheet | 1206 (3216 Metric), Concave | PolySwitch®, ASMD | Tape & Reel (TR) | Active | Polymeric | 30V | 350 mA | 1.75 A | 20 A | 200 ms | 400 mOhms | 2.2 Ohms | - | -40°C ~ 125°C | Automotive | AEC-Q200 | - | Surface Mount | 0.126" L x 0.062" W (3.20mm x 1.58mm) | - | 0.045" (1.14mm) | - |
|
3425L300/36MR3425L PPTC |
4,218 |
|
Datasheet | Nonstandard SMD | 3425L | Tape & Reel (TR) | Active | Polymeric | 36V | 3 A | 6 A | 20 A | 20 s | 10 mOhms | 60 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.341" L x 0.250" W (8.65mm x 6.35mm) | - | 0.055" (1.40mm) | - |
|
3425L200/60MR3425L PPTC |
2,134 |
|
Datasheet | Nonstandard SMD | 3425L | Tape & Reel (TR) | Active | Polymeric | 60V | 2 A | 4 A | 20 A | 10 s | 40 mOhms | 200 mOhms | - | -40°C ~ 85°C | - | - | - | Surface Mount | 0.341" L x 0.250" W (8.65mm x 6.35mm) | - | 0.071" (1.80mm) | - |
|
|
LR4-450FPTC RESET FUSE 20V 4.5A STRAP |
6,004 |
|
Datasheet | Strap | PolySwitch®, LR4 | Bag | Active | Polymeric | 20V | 4.5 A | 8.9 A | 100 A | 5 s | 11 mOhms | 28 mOhms | - | -40°C ~ 85°C | - | - | - | User Defined | 0.984" L x 0.413" W (25.00mm x 10.50mm) | - | 0.039" (1.00mm) | - |
|
NANOSMDCH030F/24-02PTC RESET FUSE 24V 300MA 1206 |
12,722 |
|
Datasheet | 1206 (3216 Metric) | PolySwitch®, nanoSMD | Tape & Reel (TR) | Active | Polymeric | 24V | 300 mA | 820 mA | 10 A | 100 ms | 500 mOhms | 1.95 Ohms | - | -40°C ~ 125°C | - | - | - | Surface Mount | 0.134" L x 0.071" W (3.40mm x 1.80mm) | - | 0.049" (1.25mm) | - |
|
|
LVR075S-240PTC RESET FUSE 240V 750MA RADIAL |
6,626 |
|
Datasheet | Radial, Disc | PolySwitch®, LVR | Bulk | Active | Polymeric | 240V (265V Int) | 750 mA | 1.5 A | 7.5 A | 18 s | 316 mOhms | 839 mOhms | - | -20°C ~ 85°C | - | - | - | Through Hole | 0.450" L x 0.189" W (11.43mm x 4.80mm) | 0.921" (23.40mm) | - | 0.200" (5.08mm) |
|
LVR055SPTC RESET FUSE 240V 550MA RADIAL |
1,000 |
|
Datasheet | Radial, Disc | PolySwitch®, LVR | Bulk | Active | Polymeric | 240V (265V Int) | 550 mA | 1.25 A | 7 A | 26 s | 450 mOhms | 1.45 Ohms | - | -20°C ~ 85°C | - | - | - | Through Hole | 0.551" L x 0.161" W (14.00mm x 4.10mm) | 0.854" (21.70mm) | - | 0.200" (5.08mm) |
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.