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| Categories | PTC Ni-Fe Alloy Wire | 
|---|---|
| Brand Name: | Senphus | 
| Model Number: | NF36 | 
| Certification: | SGS, ISO9001 | 
| Place of Origin: | Jiangsu, China | 
| MOQ: | 5 kg | 
| Price: | TBD | 
| Payment Terms: | T/T, D/P | 
| Supply Ability: | 30 Tons Per Day | 
| Delivery Time: | 3 days | 
| Packaging Details: | Packed with waterproof paper or weave bag, into pallets or wooden case. Special packaging requirements can also be accommodated. | 
| Product name: | PTC Ni-Fe Alloy Wire NF32 | 
| Material: | Ni, Fe | 
| Application: | Applicable to various electric heaters | 
| Diameter: | 0.05 mm-8 mm | 
| Company Info. | 
| Jiangyin Chengxin Alloy Material Co., Ltd , | 
| Verified Supplier | 
| View Contact Details | 
| Product List | 
NF36 PTC Ni-Fe Alloy Wire for Current-Limiting Components in Industrial and Commercial Circuits,Resistance 0.36
The product exhibits a resistivity of 0.36 at a temperature of 20°C, with a tolerance range of ±0.02.
PTC Ni-Fe alloy NF36 is a nickel-iron alloy with a composition range of 50% to 55% nickel and the balance in iron. Known for its positive temperature coefficient (PTC) properties, this alloy’s resistance increases with rising temperature, making it ideal for temperature-sensitive applications. NF36 is particularly valued in industries requiring precise thermal control, such as automotive, aerospace, and industrial electronics. Its moderate electrical resistivity and reliable thermal stability enable it to perform consistently over a wide temperature range, making it suitable for components like temperature sensors, thermistors, and self-regulating heating elements.
The alloy’s corrosion resistance and high-temperature durability also make it a strong candidate for harsh environments, ensuring long-lasting performance under extreme conditions. It’s frequently used in overcurrent protection devices, where the alloy’s resistance change helps prevent overheating by limiting current flow. Additionally, NF36 is utilized in battery management systems and other temperature-control applications, where it enhances safety and efficiency through reliable thermal regulation. With its unique combination of PTC behavior, stability, and resilience, NF36 is a versatile and dependable material for advanced thermal management and protection in various industries.
| Main Chemical Composition Wt.% NF36 PTC Ni-Fe Alloy | % | Ni | Fe | 
| Min | 50 | ||
| Max | 55 | Bal. | 
Some key features of NF36 include:
These features make PTC Ni-Fe alloys like NF36 ideal for use in precision instruments, sensors, actuators, and other applications where magnetic properties, dimensional stability, and resistance to environmental factors are critical.
Applications:
Resistance Values and Naming Conventions for PTC Ni-Fe Alloy Wires
| Alloy brand | 20℃ Resistivity | The tolerance range | ||||
| NF13 | 0.13 | ±0.02 | ||||
| NF15 | 0.15 | ±0.02 | ||||
| NF20 | 0.20 | ±0.02 | ||||
| NF23 | 0.23 | ±0.02 | ||||
| NF25 | 0.25 | ±0.02 | ||||
| NF32 | 0.32 | ±0.02 | ||||
| NF36 | 0.36 | ±0.02 | ||||
| NF38 | 0.38 | ±0.02 | ||||
| NF40 | 0.40 | ±0.02 | ||||
| NF43 | 0.43 | ±0.02 | ||||
| NF46 | 0.46 | ±0.02 | ||||
| NF52 | 0.52 | ±0.02 | ||||
| NF60 | 0.60 | ±0.02 | ||||
Chemical Composition of Different Models of PTC Ni-Fe Alloy Wire
| Alloy brand | Chemical element | ||||
| Ni % | Fe % | ||||
| NF13 | 85-95 | Rest | |||
| NF15 | 75-85 | Rest | |||
| NF20 | 70-75 | Rest | |||
| NF23 | 60-65 | Rest | |||
| NF25 | 60-65 | Rest | |||
| NF32 | 50-55 | Rest | |||
| NF36 | 50-55 | Rest | |||
| NF38 | 50-55 | Rest | |||
| NF40 | 50-55 | Rest | |||
| NF43 | 45-50 | Rest | |||
| NF46 | 45-50 | Rest | |||
| NF52 | 45-50 | Rest | |||
| NF60 | 45-50 | Rest | |||
Temperature Coefficients of Different Models of PTC Ni-Fe Alloy Wire
| Alloy brand | 120℃ Temperature coefficient PPM | The tolerance range PPM | ||||||||||||
| NF13 | 4200 | ±300 | ||||||||||||
| NF15 | 4400 | ±300 | ||||||||||||
| NF20 | 4500 | ±300 | ||||||||||||
| NF23 | 4800 | ±300 | ||||||||||||
| NF25 | 4600 | ±300 | ||||||||||||
| NF32 | 4200 | ±300 | ||||||||||||
| NF36 | 3800 | ±300 | ||||||||||||
| NF38 | 4000 | ±300 | ||||||||||||
| NF40 | 3800 | ±300 | ||||||||||||
| NF43 | 3400 | ±300 | ||||||||||||
| NF46 | 3200 | ±300 | ||||||||||||
| NF52 | 3000 | ±300 | ||||||||||||
| NF60 | 2500 | ±300 | ||||||||||||
Mechanical properties (tensile strength)
| Category | Diameter range mm | Elongation rate ≥ % | |
| Cold drawn wire | 0.05 > d < 0.1 | ≥ 18 | |
| 0.1 > d < 0.3 | ≥ 20 | ||
| 0.3 > d < 0.5 | ≥ 20 | ||
| 0.5 > d < 1.0 | ≥ 20 | ||
Size (diameter)
| Alloy Code | Diameter mm | |||||
| Wire | Rod | Wire rod | ||||
| NF13 | 0.05-8.0 | 12-30 | 8-14 | |||
| NF15 | 0.05-8.0 | 12-30 | 8-14 | |||
| NF20 | 0.05-8.0 | 12-30 | 8-14 | |||
| NF23 | 0.05-8.0 | 12-30 | 8-14 | |||
| NF25 | 0.05-8.0 | 12-30 | 8-14 | |||
| NF32 | 0.05-8.0 | 12-30 | 8-14 | |||
| NF36 | 0.05-8.0 | 12-30 | 8-14 | |||
| NF38 | 0.05-8.0 | 12-30 | 8-14 | |||
| NF40 | 0.05-8.0 | 12-30 | 8-14 | |||
| NF43 | 0.05-8.0 | 12-30 | 8-14 | |||
| NF46 | 0.05-8.0 | 12-30 | 8-14 | |||
| NF52 | 0.05-8.0 | 12-30 | 8-14 | |||
| NF60 | 0.05-8.0 | 12-30 | 8-14 | |||
Support and Services:
1. Technical Consultation
2. Product Selection
3. Time Guarantee
4. Warranty and After-Sales Support
Q&A:
1. What is the minimum order quantity?
The MOQ is 5kg, but if you need samples, please contact us.
2. Are your products safe and environmentally friendly?
Our products have passed the SGS test report, for the European Chemicals Agency and WTO concern SVHC content below the specified 0.1%, and passed the ISO9001 quality system certification.
2. How to choose products with different diameters and resistivity
We have product experts who are familiar with the use of the scenario to help determine the product, you can send email or contact us via chat software.
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