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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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    Our focus on should be to consolidate and enhance the quality and repair of present products, in the meantime constantly establish new products to meet unique customers' requires for 1J85 Soft Magnetic Wire High Permeability Wire for Electronic Components , The product will supply to all over the world, such as: Jersey, panama, Benin, We have a strict and complete quality control system, which ensures that each product can meet quality requirements of customers. Besides, all of our products have been strictly inspected before shipment.
  • Speaking of this cooperation with the Chinese manufacturer, I just want to say"well dodne", we are very satisfied.
    5 Stars By Hellyngton Sato from Birmingham - 2017.05.02 11:33
    After the signing of the contract, we received satisfactory goods in a short term, this is a commendable manufacturer.
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