NF60 PTC Ni-Fe Alloy Wire for Precise Regulation and Stable Thermal Response in Temperature-Sensitive Applications, Resistance 0.6
NF60 PTC Ni-Fe Alloy (Ni 45%-50%, Resistance: 0.6 Ω·mm²/m) is a nickel-iron alloy engineered for applications requiring precise thermal and resistive properties. Its Positive Temperature Coefficient (PTC) behavior ensures that resistivity increases with temperature, making it ideal for temperature-sensitive, overcurrent protection, and self-regulating heating systems.
With a resistivity of 0.6 Ω·mm²/m, the alloy is well-suited for moderate-resistance applications. Its high magnetic permeability and low coercivity make it effective in soft magnetic applications, including transformers, inductors, and magnetic shielding. Additionally, its thermal stability and good corrosion resistance ensure consistent performance and durability in demanding environments.
NF60 offers excellent ductility and machinability, allowing for easy fabrication into wires, strips, and other components. It is widely utilized in industrial heating systems, electronic sensors, magnetic components, and automotive applications.
This alloy provides a robust combination of thermal reliability, precise resistive characteristics, and magnetic efficiency, making it an ideal choice for industrial, automotive, and consumer electronic systems requiring stable performance under varying conditions.
Main Chemical Composition Wt.% NF60 PTC Ni-Fe Alloy | % | Ni | Fe |
Min | 45 | ||
Max | 50 | Bal. |
Key features of PTC Ni-Fe alloy NF60 include:
Positive Temperature Coefficient (PTC):
Moderate Electrical Resistivity:
Magnetic Properties:
Thermal Stability:
Corrosion Resistance:
Mechanical Versatility:
Wide Application Range:
Balanced Nickel Content (45%-50%):
Durable and Reliable:
NF60’s combination of precise resistivity, thermal stability, and magnetic efficiency makes it a preferred material for industrial, automotive, and electronic applications.
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. Where can this product be applied?
This product can be used for overload protection. Due to the characteristics of the PTC thermistor, the resistance increases when the device is initially started or when the voltage abnormally increases, thereby protecting downstream devices.
2. How can I pay?
For initial collaborations, we accept T/T and D/P payment methods. However, payment methods may change depending on order volume and years of cooperation.
3. What is the minimum order quantity?
If the product is in stock, we can provide a single unit as a sample. If the product is not in stock, the minimum order quantity is 5kg.
4. How do you guarantee product quality?
We employ advanced manufacturing processes, with three quality inspections during production. We adhere to high-quality standards, consistent with Swedish KANTHAL, and have achieved ISO9001 certification.
5. What are your prices?
We welcome inquiries from our customers. The price of all products is determined by the purchase volume. Based on our market position in China, robust production capacity, and strict standards, our prices are generally lower for the same specifications and quantities.