MMG Soft Ferrite Cores

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MMG/Neosid specializes in the design, development and manufacture of magnetic materials and components, including soft ferrites and iron powder. MMG is recognized as a world leader in the supply of CATV/RF ferrite products, and Neosid products have a long history supporting the power industry.


MMG manufactures soft ferrite cores in both Manganese-Zinc and Nickel-Zinc to most IEC standard shapes and sizes. Custom shapes and sizes are available upon request.

To view these files, click on the links below.

Note: These are PDF files and require Adobe Reader to view.

File Name: Product Description:
MMG-Balun-Cores.pdf Balun Cores
MMG-AxialLeadFerrites.pdf Axial Lead Ferrites
MMG-Bead-Cores.pdf Bead Cores
MMG-FerriteBobbin-Drum-Cores.pdf (Bobbin) Drum Cores
MMG-CustomCoreGeometries.pdf Custom Core Geometries
MMG-Ferrite-E-EF.pdf E, EF Cores
MMG-Ferrite-E-Planar.pdf E, E/E, E/I Planar Cores
EFD Cores E, E/E, E/I Planar Cores
MMG-Ferrite-EP-EOP.pdf EP, EOP Cores
MMG-Ferrite-ETD.pdf ETD Cores
MMG-Ferrite-MultiAp-Beads.pdf Multi-Aperture Bead Cores
MMG-Ferrite-2SLOT-POT-CORES.pdf Pot (2 Slot) Cores
Pot (4 Slot) Cores Pot (2 Slot) Cores
MMG-Ferrite-PQ-Cores.pdf PQ Cores
MMG-Ferrite-RM-Cores.pdf RM Cores
MMG-Ferrite-RM-LP-Cores.pdf (Low Profile) RM Cores
MMG-Ferrite-Plain-ROD-Cores.pdf (Plain) Rod Cores
MMG-Ferrite-Extruded-ROD-Cores.pdf (Extruded) Rod Cores
MMG-Sleeve-Cores.pdf Sleeve Cores
MMG-Squareoid-Cores.pdf Squareoid Cores
MMG-NiZnBead-Toroid.pdf NiZn Bead & Toroid Cores
MMG-Ferrite-TOROID-Cores.pdf Toroids (Ring) Cores
MMG-Ferrite-U-Cores.pdf U, U/I, UR Cores