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Materials: Powdered Iron

material characteristics:
property initial
perm-
eability
temp.
stability
(-55 to +125C)
particle
size
density recommended
frequency
features
unit ui ppm/ C µm g/cc MHz
symbol D f
3120 8.5 35 1 - 3 5.0 10 - 200 carbonyl iron, higher Q at hi freq. (vs. CTM3118), high cost
3118 9 30 2 - 4 5.0 1 - 60 carbonyl iron, higher Q at hi freq. (vs. CTM3976), high cost
3976 10 95 3 - 5 5.0 0.1 - 40 carbonyl iron, high Q, most widely used, moderate cost
3900 20 280 7 - 9 6.5 0.05 - 10 reduced carbonyl iron, high Q, < 1 MHz, high permeability, high cost
3908 35 255 5 - 7 6.5 0.05 - 2 reduced carbonyl iron, medium Q, high permeability, high cost
3866 60 950 11 - 13 6.1 0.06- 50 annealed sponge iron, high permeability, low Q, low cost

 

 

National Magnetics Group | TCI Ceramics
Manufacturers of technical ceramics (magnetic and advanced materials) and powdered iron cores

Corporate Headquarters
1210 Win Drive, Bethlehem, Pennsylvania 18017-7061 USA | Tel: 610-867-7600 | Fax: 610-867-0200

Ferrites and Magnets: sales@magneticsgroup.com | Microwave and Advanced Materials: sales@tciceramics.com