MH&W International Corporation

  • Established in 1964 Exclusively to Serve the Needs of the Magnetic Industry

  • 55 Years of Ferrite Application Support

  • Official Sales Agent for TDK Ferrites in North America

  • Largest Inventory of TDK Ferrite in the World

  • Authorized Distributor for EPCOS Ferrites for Power Supplies, EMI/RFI Filters & Analog Filters

  • Authorized Distributor of ACME Ferrites for Power Supplies, EMI/RFI, Common Mode Chokes, Broadband Indusctors & Filter Inductors.

  • Authorized Distributor of TDG Ferrites for Power Supplies and EMI/RFI Applications

  • Master Distributor for Chang Sung (CSC) Powder Cores: MPP, High Flux, Sendust and Mega Flux Cores

  • Official Sales Agent for Magnetec GmbH to Provide Nanocrystalline Magnetic Materials

  • Official sales agent of Amorphous and Nickel Iron Cores


New Address:

575 Corporate Drive
Mahwah, NJ 07430-2330

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Latest News

MH&W’s Product Lines

Ferrite Cores Powder Cores Nanocrystalline Cores
TDK and EPCOS the most technically advanced manufacturers in the world
  • PC47/PC90/PC95 – Power
  • N97/N92/N95 – Power
  • HF90/T35 – CMC
ACME Ferrites
  • P4/P41 – Low Frequency Power
  • P45/P48 – Med Frequency Power
  • P5/P6 – High Frequency Power
  • A5/A10 – Common Mode Chokes
The world’s largest producer of powder cores.
  • Sendust
  • MegaFlux
  • HighFlux
  • MPP
Core Shapes:
  • Toroids
  • EQ
  • Block/Ellipse
Premier producer of Nanocrystalline Cores in the world.
Cores for:
  • Common Mode Choke
  • EMI Filter
  • Current Transformer
  • Motor Bearing Protection
  • Smart Grid Metering
  • Noise Spike Killer
Bobbins and Accessories Soft Magnetics Amorphous and Nickel Iron Cores
  • Thermoset and Thermoplastic Bobbins from the original TDK tools
  • Thermoplastic Bobbins from China
  • Thermoset Bobbins from Germany
  • Thermoplastic Bobbins from Germany
Specialist in supplying non-standard ferrite shapes and sizes as well as non-standard bobbins.
  • UU core: 3.0 – 6.0 inch
  • EE Core: 3.0 – 8.0 inch
  • Toroid: 3.0 – 6.0 inch
  • Clamp-on EMI Filters
OEM supplier of Amorphous, custom nanocystalline, and 80% nickel iron alloy cores.
  • CC Amorphous Cut Cores
  • Amorphous Choke Cores
  • Amorphous Choke Cores with Air Gap
  • DC Current Immunity Composite Cores
  • Perm-Alloy Cores
Thermal – Kerafol Thermal – CSC Thermal – MHW
  • Gap Fillers to 6.0 W/mK
  • Silicone films to 8.0 W/mK
  • Silicone free films to 6.0 W/mK
  • Greases silicone and silicone free to 10.0 W/mK
  • Double sided thermal tape
  • Graphite films to 7.5 and 450.0 W/mK
  • All available in die cut pads
  • Low Silicone gap fillers to 3.0 W/mK
  • New Super Soft gap fillers to 3.0 W/mK
  • Hybrid Silicone film/gap filler to 3.0 W/mK
  • Combination EMI and Thermal Absorber films
  • EMI Suppressor films
  • All available in die cut pads
Thermal Consulting
  • Custom solutions
  • Thermal analysis
  • Build prototypes
  • Double sided thermal tape
  • Available in die cut pads