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NF38 Ni50%-55% PTC Ni-Fe Alloy Wire for Overcurrent Protection and Effective Temperature Regulation Resistance 0.38

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    Buy cheap NF38 Ni50%-55% PTC Ni-Fe Alloy Wire for Overcurrent Protection and Effective Temperature Regulation Resistance 0.38 from wholesalers
     
    Buy cheap NF38 Ni50%-55% PTC Ni-Fe Alloy Wire for Overcurrent Protection and Effective Temperature Regulation Resistance 0.38 from wholesalers
    • Buy cheap NF38 Ni50%-55% PTC Ni-Fe Alloy Wire for Overcurrent Protection and Effective Temperature Regulation Resistance 0.38 from wholesalers
    • Buy cheap NF38 Ni50%-55% PTC Ni-Fe Alloy Wire for Overcurrent Protection and Effective Temperature Regulation Resistance 0.38 from wholesalers
    • Buy cheap NF38 Ni50%-55% PTC Ni-Fe Alloy Wire for Overcurrent Protection and Effective Temperature Regulation Resistance 0.38 from wholesalers

    NF38 Ni50%-55% PTC Ni-Fe Alloy Wire for Overcurrent Protection and Effective Temperature Regulation Resistance 0.38

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    Brand Name : Senphus
    Model Number : NF38
    Certification : SGS, ISO9001
    Price : TBD
    Payment Terms : T/T, D/P
    Supply Ability : 30 Tons Per Day
    Delivery Time : 3 days
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    NF38 Ni50%-55% PTC Ni-Fe Alloy Wire for Overcurrent Protection and Effective Temperature Regulation Resistance 0.38

    NF38 Ni50%-55% PTC Ni-Fe Alloy Wire for Overcurrent Protection and Effective Temperature Regulation Resistance 0.38


    NF38 Ni50%-55% PTC Ni-Fe Alloy Wire is recognized for its medium resistivity and high positive temperature coefficient of resistance, which makes it extensively used in various heating applications. This alloy can automatically control temperature and adjust power by maintaining constant current and limiting current, offering several advantages such as automatic temperature control, automatic power regulation, constant current, current limiting, energy saving, and a long practical life. Customization is also a key feature, as the wire can be tailored to meet specific requirements regarding temperature coefficient, resistivity, and diameter, making it highly adaptable to various applications.
    NF38, in particular, has a resistivity at 20°C of 0.38 μΩm with a tolerance range of ±0.02, indicating its precision in electrical resistance performance. The alloy's properties render it suitable for applications where precise control of heat and power is necessary, such as in temperature-sensitive resistors and heating elements.

    Main Chemical Composition Wt.% NF38 PTC Ni-Fe Alloy%NiFe
    Min50
    Max55Bal.

    Key features of PTC Ni-Fe alloy with NF38 include:

    1. High Permeability and Magnetic Properties

    • Soft magnetic material: It exhibits high magnetic permeability, making it suitable for use in electromagnetic components.
    • Low coercivity: It requires minimal energy to magnetize and demagnetize.
    • Excellent for transformers, magnetic shields, and other components in electrical and magnetic systems.Corrosion Resistance: The nickel content enhances the alloy’s resistance to oxidation and corrosion, making it durable in challenging environments.
    1. Temperature Coefficient of Resistivity

      • Positive Temperature Coefficient (PTC): The resistivity increases with rising temperature, which is useful for temperature sensing and control applications.

    • Provides stability in electrical resistance over certain temperature ranges.

    1. High Electrical Resistivity

    • Offers better resistance to electrical current flow compared to other magnetic alloys, which is beneficial for reducing energy losses in magnetic circuits.

    1. Thermal Stability

    • Performs reliably across a wide temperature range, making it suitable for applications in varying environmental conditions.
    1. Mechanical Properties

    • Good ductility and machinability allow for manufacturing into thin sheets, wires, or other forms.​
    1. Corrosion Resistance

    • The nickel content enhances the alloy’s resistance to oxidation and corrosion, making it durable in challenging environments.

    Applications:

    • Magnetic cores in transformers, inductors, and chokes.
    • Thermistors and other temperature-sensitive devices.
    • Magnetic shielding for electronic devices.
    • Precision instrumentation where consistent magnetic properties are critical.

    This alloy's combination of magnetic, thermal, and mechanical properties makes it highly valuable in industrial, electrical, and electronic applications.


    Resistance Values and Naming Conventions for PTC Ni-Fe Alloy Wires


    Alloy brand20℃ ResistivityThe tolerance range
    NF130.13±0.02
    NF150.15±0.02
    NF200.20±0.02
    NF230.23±0.02
    NF250.25±0.02
    NF320.32±0.02
    NF360.36±0.02
    NF380.38±0.02
    NF400.40±0.02
    NF430.43±0.02
    NF460.46±0.02
    NF520.52±0.02
    NF600.60±0.02

    Chemical Composition of Different Models of PTC Ni-Fe Alloy Wire


    Alloy brandChemical element
    Ni %Fe %
    NF1385-95Rest
    NF1575-85Rest
    NF2070-75Rest
    NF2360-65Rest
    NF2560-65Rest
    NF3250-55Rest
    NF3650-55Rest
    NF3850-55Rest
    NF4050-55Rest
    NF4345-50Rest
    NF4645-50Rest
    NF5245-50Rest
    NF6045-50Rest

    Temperature Coefficients of Different Models of PTC Ni-Fe Alloy Wire


    Alloy brand120℃ Temperature coefficient PPMThe tolerance range PPM
    NF134200±300
    NF154400±300
    NF204500±300
    NF234800±300
    NF254600±300
    NF324200±300
    NF363800±300
    NF384000±300
    NF403800±300
    NF433400±300
    NF463200±300
    NF523000±300
    NF602500±300

    Mechanical properties (tensile strength)


    CategoryDiameter range
    mm
    Elongation rate
    ≥ %
    Cold drawn wire0.05 > 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 CodeDiameter mm
    WireRodWire rod
    NF130.05-8.012-308-14
    NF150.05-8.012-308-14
    NF200.05-8.012-308-14
    NF230.05-8.012-308-14
    NF250.05-8.012-308-14
    NF320.05-8.012-308-14
    NF360.05-8.012-308-14
    NF380.05-8.012-308-14
    NF400.05-8.012-308-14
    NF430.05-8.012-308-14
    NF460.05-8.012-308-14
    NF520.05-8.012-308-14
    NF600.05-8.012-308-14

    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.



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