NF43 PTC Ni-Fe Alloy Wire 45-50% Nickel Content Resistance 0.43 for Temperature-Sensitive and Self-Regulating Applications, Resistance 0.43

The product exhibits a resistivity of 0.43 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)

Key Features of PTC Ni-Fe Alloy NF43 Include:

1. Positive Temperature Coefficient (PTC):

Ni-Fe alloys with 45-50% nickel content exhibit an increase in electrical resistance as temperature rises, making them ideal for self-regulating applications like temperature sensors and heating elements.

2. Moderate Electrical Resistivity:

The alloy has a balanced resistivity that is well-suited for use in temperature-sensitive components, such as thermistors, current-limiting devices, and heating systems.

3. Thermal Stability:

NF43 offers stable performance across a broad temperature range, ensuring consistent operation in both high and fluctuating temperature environments.

4. Corrosion and Oxidation Resistance:

This alloy is resistant to corrosion and oxidation, making it durable and reliable in harsh industrial and outdoor conditions.

5. High-Temperature Durability:

NF43 can withstand elevated temperatures without significant degradation, making it ideal for high-temperature applications like overcurrent protection and thermal regulation systems.

6. Self-Regulating Properties:

The PTC characteristic allows the alloy to adjust its resistance based on temperature changes, making it effective in current-limiting and self-regulating heating applications.

7. Versatility:

NF43 is used in a wide range of applications, including temperature sensors, battery management systems, overcurrent protection, and heating elements across various industries.

Applications:

• Temperature Sensors: NF43 alloys are used in temperature sensors, where their PTC behavior allows for accurate monitoring of temperature changes and regulation in various systems, including automotive and industrial applications.
• Thermistors: The alloy is commonly used in thermistors, which are temperature-sensitive resistors, for applications such as home appliances, medical devices, and temperature control systems.
• Self-Regulating Heating Elements: NF43 is used in heating elements that automatically adjust their heat output based on temperature, found in devices like electric heaters, defrosters, and climate control systems.
• Overcurrent Protection Devices: Due to its PTC properties, NF43 is used in fuses, circuit breakers, and other overcurrent protection devices, where it helps prevent overheating by increasing resistance and limiting current flow under high temperatures.
• Battery Management Systems: NF43 alloys are employed in battery management systems to regulate temperature, ensuring safe operation and preventing overheating in electric vehicles and portable electronic devices.
• Current Limiting Devices: The alloy is used in devices that require automatic current limiting to protect sensitive electronic components from damage due to excessive current flow.

Support and Services:

1. Technical Consultation

2. Product Selection

3. Time Guarantee

4. Warranty and After-Sales Support

Q&A:

1. Where can this product be applied?

This material is widely used in various electrical heaters, such as car seat heating, snow melting heating, electric floor heating, etc.

2. Is your product safe and environmentally friendly?** Our product has passed SGS test reports, the SVHC content, which is of concern to the European Chemicals Agency and WTO, is lower than the specified 0.1%, and it has also passed the ISO9001 quality system certification.

3. What is the minimum order quantity for customers?

If the desired product is in stock, we can provide a single piece as a sample. If the stock is insufficient, the minimum order quantity is 5kg.

4. How do you guarantee product quality?

Advanced manufacturing processes are used, with three samples taken for inspection during production. The quality inspection standards are high, consistent with Swedish KANTHAL, and ISO9001 certified.

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.