M Material


M material is Magnetics' highest permeability material at 15,000µ used for EMI/RFI suppression filters, common mode chokes, signal processing, and broadband transformers. Available in toroids.

For more information on Magnetics' M Material ferrite toroids, view our technical bulletin.

Initial Perm (10 kHz)15,000 ± 30%
Saturation Flux Density (4,700 G at 15 Oe, 25°C)470 mT, 11.9 A•T/cm
Curie Temperature130°C
Maximum Usable Frequency (50% roll-off) ≤0.12 MHz 
Relative Loss Factor (tan δ/µiac) X10-6, 25°C ≤10 (10 kHz) 
Remanence (800 G, 25°C)  80 mT 
Resistivity  0.5 Ω-m
Density 5 g/cm

PERMEABILITY vs. TEMPERATURE

PERMEABILITY vs. FREQUENCY

PERMEABILITY vs. DC BIAS

B-H LOOP