PTC Ni-Fe Alloy Wire Low Curie Point And Medium Saturation Polarization For

Product Specification

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)