High Performance NF40 PTC Ni-Fe Alloy Wire In Industrial Heating

NF40 PTC Ni-Fe Alloy Wire with Positive Temperature Coefficient for Advanced Thermal Management and Safety Resistance 0.40

The product exhibits a resistivity of 0.40 at a temperature of 20°C, with a tolerance range of ±0.02.

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)

Some Key Features of NF40 Include:

1. Positive Temperature Coefficient (PTC):

   • Exhibits increased electrical resistivity as temperature rises, ideal for temperature sensing, current regulation, and overcurrent protection.

2. Superior Magnetic Properties:

   • High magnetic permeability and low coercivity, making it suitable for soft magnetic applications like transformers, inductors, and chokes.

3. High Electrical Resistivity:

   • Reduces energy losses, enhancing efficiency in magnetic circuits and electronic devices.

4. Thermal Stability:

   • Performs reliably across a wide temperature range, ensuring consistent resistive and magnetic properties under varying conditions.

5. Corrosion Resistance:

   • Nickel content ensures excellent resistance to oxidation and corrosion, extending the material’s lifespan in harsh environments.

6. Mechanical Strength and Ductility:

   • Easy to form into wires, strips, or other components, making it versatile for manufacturing complex shapes.

7. Versatile Applications:

   • Suitable for use in magnetic shielding, heating elements, precision sensors, and electronic protection devices.

8. Durability and Reliability:

   • Combines resistive, thermal, and magnetic stability with long-lasting performance in demanding industrial and electronic systems.

NF40’s balance of electrical, magnetic, and thermal properties makes it a preferred choice for precision applications in industries like automotive, electronics, and industrial manufacturing.

Applications:

• Temperature Sensing and Control:

  • Utilized in thermistors and temperature-sensitive resistors for precision temperature monitoring and control in industrial and electronic systems.

• Overcurrent Protection:

  • Acts as a current limiter in circuits, increasing resistance at higher currents or temperatures to protect components from damage.

• Magnetic Components:

  • Used in soft magnetic cores for transformers, inductors, and chokes, ensuring efficient energy transfer with minimal losses.

• Magnetic Shielding:

  • Provides protection against external magnetic interference in sensitive electronic equipment and precision devices.

• Industrial Heating Systems:

  • Integrated into self-regulating heating elements, where its Positive Temperature Coefficient ensures controlled and safe heating.

• Automotive Electronics:

  • Found in temperature and current-sensitive devices in automotive systems, such as sensors and resistors, for safe and reliable operation.

• Consumer Electronics:

  • Applied in circuit protection devices for household appliances, ensuring durability and preventing overheating or overcurrent issues.

• Precision Sensors and Actuators:

  • Used in high-accuracy sensing devices that require stable resistive and magnetic properties over a wide temperature range.

NF40’s combination of thermal, electrical, and magnetic stability makes it versatile for applications in industrial, automotive, and electronic systems requiring reliable performance under varying conditions.

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.

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.