NF46 PTC Ni-Fe Alloy Wire Low Curie Point and Medium Saturation Polarization for Inductors and Current Sensors, Resistance0.46

Some Key Features of NF46 Include:

1. Positive Temperature Coefficient (PTC):

   • Resistivity increases with rising temperature, making it ideal for temperature sensing, overcurrent protection, and self-regulating heating applications.

2. Moderate Electrical Resistivity:

   • A resistivity value of 0.46 Ω·mm²/m ensures efficient performance in resistive applications while minimizing energy losses.

3. Magnetic Properties:

   • High magnetic permeability and low coercivity make it suitable for soft magnetic applications such as transformers, inductors, and magnetic shielding.

4. Thermal Stability:

   • Offers consistent electrical and magnetic performance across a broad temperature range, ensuring reliability in demanding environments.

5. Corrosion Resistance:

   • The nickel content provides resistance to oxidation and corrosion, ensuring long-term durability, even in harsh or humid conditions.

6. Mechanical Versatility:

   • Excellent ductility and machinability allow for easy processing into wires, strips, and other forms, facilitating use in various applications.

7. Wide Application Range:

   • Suitable for industrial heating systems, temperature-sensitive devices, magnetic components, and circuit protection systems.

8. Balanced Nickel Content (45%-50%):

   • Provides an optimal balance between magnetic efficiency and resistive properties, ensuring versatility across different industries.

9. Durable and Reliable:

   • Combines thermal stability, corrosion resistance, and magnetic efficiency for dependable performance in critical applications.

NF46’s combination of PTC behavior, precise resistivity, and thermal reliability makes it an excellent choice for diverse industrial, automotive, and electronic applications.

Applications:

• Temperature Sensing and Regulation:

  • Used in thermistors and temperature-sensitive resistors for precise monitoring and control in industrial and consumer applications.

• Overcurrent Protection:

  • Serves as a current limiter, increasing resistance at higher temperatures to protect sensitive electronic circuits from overcurrent damage.

• Self-Regulating Heating Elements:

  • Ideal for industrial and domestic heating systems where precise, energy-efficient temperature control is required.

• Magnetic Components:

  • Utilized in transformers, inductors, and chokes due to its high magnetic permeability and low coercivity, ensuring efficient energy transfer.

• Magnetic Shielding:

  • Provides protection against magnetic interference in sensitive devices, including communication systems, medical equipment, and precision instruments.

• Industrial Heating Systems:

  • Used in resistive heating components for applications such as heat exchangers, furnaces, and process equipment.

• Automotive Electronics:

  • Found in sensors, resistors, and protection systems within automotive circuits to ensure reliable performance under varying thermal conditions.

• Consumer Electronics:

  • Employed in circuit protection and heating components for household appliances, ensuring safety and durability.

• Renewable Energy Systems:

  • Used in inverters, converters, and other power electronics to provide thermal and magnetic stability in renewable energy applications.

• Aerospace and Defense:

  • Suitable for high-performance systems requiring thermal reliability, magnetic efficiency, and durability under extreme operating conditions.

• Precision Instrumentation:

  • Applied in sensing and control devices requiring stable resistive and magnetic properties across a wide temperature range.

Resistance Values and Naming Conventions for PTC Ni-Fe Alloy Wires

Chemical Composition of Different Models of PTC Ni-Fe Alloy Wire

Temperature Coefficients of Different Models of PTC Ni-Fe Alloy Wire

Mechanical properties (tensile strength)

Size (diameter)

Company Overview:

Jiangyin Chengxin Alloy Material Co., Ltd has more than 20 years of experience as the lead.ing alloy wire manufacturer in China. We offer a wide range of services from fine wire drawing toresistance wire manufacturing. Since the beginning, our specialty has been the quality and preci.sion of our products. We have the tightest tolerances and deliver within a few days to a fewweeks. As a result, we have become the leading alloy wire supplier in the industry.

Senphus Subsidiaries:

• Jiangyin Chengxin Alloy Material Co., Ltd.
• Jiangyin Senphus Electrical Materials Co., Ltd.
• Jiangsu Xiangcheng Supply Chain Management Co., Ltd.

Jiangyin Chengxin Alloy Material Co., Ltd.: With nearly 20 years of experience, Jiangyin Chengxin is a leading alloy wire manufacturer in China. We offer a wide range of services, from fine wire drawing to resistance wire manufacturing. Our specialty lies in the quality and precision of our products, achieving the tightest tolerances and delivering orders within days to weeks. As a result, we have established ourselves as the premier supplier of alloy wire in the industry.

Our product range includes:

• Copper-nickel alloys (CuNi1-CuNi44)
• Karma (Nikrothal L/Evanohm/Alloy 800)
• Manganin and Constantan
• Nickel-chromium alloys
• Thermocouple alloys (Type K, N, E, T, J)
• Thermocouple extension wire
• PTC thermistor resistance alloy
• Pure nickel wire and Monel alloy

These alloys are available in various forms, including wire, ribbon, stranded, and enamelled. Major applications include seat heating, underfloor heating, military projects, aerospace, household appliances, heating wire, mechanical and electrical plants, and temperature instruments. Our manufacturing processes are ISO 9001:2015 certified, and we specialize in fine and ultra-fine wire drawing, offering wire diameters from 0.025 mm (0.001") to 13 mm (0.51") in small batches, medium volumes, and mass production. We maintain a comprehensive quality inspection system, including in-house chemical analysis, chromatographic analysis, metallurgical analysis, pinhole tests, wire construction tests, and tension tests to ensure the highest quality standards.

Senphus Electrical Material Co., Ltd.: Founded in 2003, Senphus Electrical Material Co., Ltd. integrates research, manufacturing, and sales of electric heating alloys, heating cables, heating wires, and heating products. Leveraging over a decade of technical expertise in heating alloy wire, we have adopted advanced heating cable technology and machinery, successfully developing heating cables, temperature controllers, and temperature control systems suitable for building heating, pipe insulation, outdoor snow melting, wind power blade production, car seat heating, and healthcare applications.

The company is recognized as a high-tech enterprise in Jiangsu Province and a small giant enterprise in Jiangyin City, specializing in innovative technologies. We operate the "Wuxi Heating Cable Engineering Technology Research Center" and collaborate with experts from renowned domestic universities. Our portfolio includes 5 invention patents and over 30 utility model patents, showcasing our strong research and development capabilities.

With an annual output exceeding 1,000 tons of thermal alloy wire and an output value of approximately 105 million yuan, our products are well-received in markets such as the UK, Italy, Canada, Peru, and Spain. Our heating cables generate an annual output value of over 80 million yuan, with exports to Germany, Japan, the United States, Malaysia, Denmark, Brazil, and other countries.

The company has successfully passed multiple quality management system certifications, including IATF 16949, ISO 9001, ISO 14001 (Environmental Management System), and ISO 45001 (Occupational Health and Safety Management System). Our heating cables and related products have also obtained test reports from the Shanghai Cable Research Institute Test Center and received certifications such as UL (United States), VDE (Germany), CE (European Union), and RoHS.

Commitment to Quality: We adhere to the business commitment of "Reputation First, Quality First, Customer First" and uphold the quality policy of "Integrity-Based, Quality-Oriented, Excellent Service." We are dedicated to providing accurate products and professional services, and we look forward to collaborating sincerely with you to achieve mutual success.