NF20 PTC Ni-Fe Alloy High Temperature Heating Element Wire Nickel Plated Resistivity 0.20

The product exhibits a resistivity of 0.20 at a temperature of 20°C, with a tolerance range of ±0.02.

PTC Ni-Fe alloy NF20 is a high-quality material that stands out due to its unique combination of properties. Primarily consisting of nickel and iron with a nickel content of approximately 70% to 75%, this alloy offers excellent electrical conductivity, making it suitable for applications requiring efficient current flow. It also possesses notable magnetic properties, which make it ideal for use in magnetic sensors, actuators, and other magnetic devices. Furthermore, PTC Ni-Fe alloy NF20 exhibits good mechanical strength and ductility, allowing it to withstand various mechanical stresses. Its corrosion resistance ensures durability and reliability in harsh environments, while its temperature stability makes it suitable for use in high-temperature applications. Overall, PTC Ni-Fe alloy NF20 is a versatile and dependable material that is widely used in the electronics, aerospace, automotive, and industrial sectors for its exceptional characteristics and performance.

Some key features of PTC Ni-Fe alloy NF20 include:

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Applications of PTC Ni-Fe alloy NF20 include:

• Heating Elements and Resistors:

​The alloy’s PTC effect and high resistivity make it ideal for use in electrical heating elements and resistors that require consistent, controlled heating.

• Thermistors and Temperature Sensors:

​ NF20 is commonly used in thermistors and temperature sensors due to its predictable resistance change with temperature, which provides accurate thermal readings for temperature monitoring and control.

• Overload Protection Devices:

​ Its PTC behavior is valuable for overload protection in electrical circuits, where the increase in resistance at higher temperatures helps to regulate or limit current flow, preventing overheating and equipment damage.

• Automotive Components:

​NF20 alloy is used in temperature-sensitive automotive components, such as exhaust sensors and engine temperature regulators, where its high durability and thermal stability are essential.

• Aerospace and Industrial Electronics:

​With its corrosion resistance and ability to withstand high temperatures, NF20 is suited for demanding environments in aerospace and industrial electronics, where stable performance and longevity are critical.

• Home Appliances:

​ In appliances like toasters, irons, and hairdryers, NF20 alloy helps regulate temperature by ensuring controlled heating, contributing to energy efficiency and safety.

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)

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. What are the terms of payment?

We support T/T or D/P, but sometimes it depends on the order volume and the way of trade.

3. What are your service hours?

We will respond within 24 hours of receiving a message, whether on weekdays or holidays.

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.