High-Efficiency MuMetal Cores: Nickel-Iron Alloy Specifications for Soft Magnetic Applications
Our range of precision-processed nickel-iron (NiFe) alloys—including 80/20%, 60/40%, and 50/50% compositions—are engineered for high permeability, low core loss, and stable magnetic performance. These soft magnetic materials are ideal for use in transformers, electromagnetic shielding, inductors, sensors, and other precision magnetic components across industrial, audio, aerospace, and scientific applications.
Key Features
Ultra-High Magnetic Permeability
Mumetal (Permalloy) offers up to 500,000āƵįµ¢ for superior magnetic shielding and low-frequency noise suppression.
High Saturation Flux Density
Saturation up to 1.5āÆT supports stable magnetic performance under heavy load.
Compact Size, High Power Density
High magnetic efficiency allows smaller core sizes without compromising performance — ideal for space-saving designs.
Precision Strip Thickness
Available in 0.05–0.25āÆmm gauges for compact, high-performance magnetic components.
Low Core Loss, Cooler Operation
Efficient energy handling minimizes heat buildup and temperature rise in continuous-duty systems.
Versatile Finish Options
Available varnished, impregnated, or encased in plastic/metal for enhanced durability.
Applications
Current Transformers & Power Transformers
For accurate current sensing and efficient power transmission.
Pulse Transformers & Signal Processing Circuits
Ideal for fast-switching environments with minimal core loss.
Earth Leakage Circuit Breakers & Current Sensors
Supports precise protection and fault detection systems.
Electromagnetic Shielding Systems
Protects sensitive electronics from low-frequency interference.
Medical, Audio, and Aerospace Electronics
Applied in MRI shielding, amplifier cores, and precision sensors.
MuMetal® Nickel-Iron Alloy Specifications for Soft Magnetic Applications
Material Characteristics
01
Base Alloy
Nickel-Iron (NiFe)
02
Ribbon Thickness Range
0.05mm – 0.2mm
03
Density
8.250 – 8.745 g/cm³
04
Curie Temperature
400°C – 410°C
05
Continuous Operating Temperature
Up to 150°C
Trusted by Engineers Worldwide
Our MuMetalĀ® cores combine exceptional magnetic shielding with outstanding mechanical durability and dimensional precision. Whether you're building sensitive sensors, advanced medical electronics, or professional-grade audio systems, these cores deliver unmatched performance. All products are custom processed, slit, and annealed to meet your exact technical requirements ā and backed by LaminaCoreās dedication to precision and innovation.