1J85 Soft Magnetic Wire High Permeability Wire for Electronic Components

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1J85 is a premium nickel-iron-molybdenum soft magnetic alloy renowned for its exceptional magnetic properties and reliable performance in precision applications. With a nickel content of approximately 80-81.5%, molybdenum at 5-6%, and a balanced composition of iron and trace elements, this alloy stands out for its high initial permeability (over 30 mH/m) and maximum permeability (exceeding 115 mH/m), making it highly sensitive to weak magnetic signals. Its extremely low coercivity (less than 2.4 A/m) ensures minimal hysteresis loss, ideal for high-frequency alternating magnetic fields.




Beyond its magnetic strengths, 1J85 boasts impressive mechanical properties, including a tensile strength of ≥560 MPa and a hardness of ≤205 Hv, enabling easy cold working into wires, strips, and other precise forms. With a Curie temperature of 410°C, it maintains stable magnetic performance even in elevated temperatures, while its density of 8.75 g/cm³ and resistivity of around 55 μΩ·cm further enhance its suitability for demanding environments.




Widely utilized in miniature current transformers, residual current devices, high-frequency inductors, and precision magnetic heads, 1J85 remains a top choice for engineers seeking a blend of sensitivity, durability, and versatility in soft magnetic materials.


  • Density: 8.75
  • Resistiivity: 0.56
  • Curie Point: 400
  • Tensile Strength: : 500 MPA
  • Hardness: : 150-180 HB
  • Elongation:: 25%-30%
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    Well-run equipment, professional sales team, and better after-sales services; We are also a unified big family, everyone stick to the company value "unification, dedication, tolerance" for Midohm , Stablohm 650 , Clothes Dryers , We warmly welcome all interested customers to contact us for more information.
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    We retain improving upon and perfecting our items and repair. At the same time, we perform actively to do research and progress for 1J85 Soft Magnetic Wire High Permeability Wire for Electronic Components , The product will supply to all over the world, such as: Honduras, Swedish, Munich, "Good quality, Good service " is always our tenet and credo. We take every effort to control the quality, package, labels etc and our QC will check every detail during producing and before shipment. We have been willing to establish long business relationship with all those who seek the high quality products and good service. We've got set up a wide sales network across European countries, North of America, South of America, Middle East, Africa, East Asia countries.Please contact us now, you will find our expert experience and high quality grades will contribute to your business.
  • The sales person is professional and responsible, warm and polite, we had a pleasant conversation and no language barriers on communication.
    5 Stars By Elsa from Congo - 2017.12.19 11:10
    This manufacturer can keep improving and perfecting products and service, it is in line with the rules of market competition, a competitive company.
    5 Stars By Stephen from Guinea - 2017.10.25 15:53
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