W Material

W material is a high permeability material used for EMI/RMI suppression, common mode chokes, pulse and broadband transformers. Available in shapes and toroids.

Initial Perm (10 kHz)	10,000 ± 30%
Saturation Flux Density (3,900 G at 15 Oe, 25°C)	390 mT, 11.9 A•T/cm
Curie Temperature	135°C
Maximum Usable Frequency (50% roll-off)	≤0.5 MHz
Relative Loss Factor (tan δ/µ_iac) X10^-6, 25°C	<7 (10 kHz)
Remanence (800 G, 25°C)	80 mT
Resistivity	0.1 Ω-m
Density	4.9 g/cm³

W Material

PERMEABILITY vs. TEMPERATURE

PERMEABILITY vs. FREQUENCY

PERMEABILITY vs. DC BIAS

B-H LOOP