toroid iso

Phone Number: 800-867-3526



No two jobs are the same, and as a result we work with a wide variety of transformer styles. Our transformers are constructed in all temperatures and insulation classes. We use cores that meet your exact application specifications.

Transformer Styles

We manufacture using all these styles and more. If you do not see your style listed below we can still work with you:
  • Toroids
  • Bobbins
  • EI
  • UI
  • EE
  • L
  • E Cores
  • EC Cores
  • Pot Cores
  • RM Cores
  • EP Cores
  • “C” Cores
  • Custom Gapped

Core Materials

Core materials affect the overall performance of a transformer because different materials have different characteristics. It is important to work with materials that will allow for optimal performance of your electrical applications. To meet the vast demands of our clients, we utilize all materials available to us. We work with the materials you need and more, which include:
  • Ferrite
  • Amorphous
  • Sendust
  • Powdered Iron
  • Nickel Alloys
  • Silicon Steel


There are two ways to place orders with us:
  1. Sending us exact specifications for style, materials, and winding. We build to your exact specs and drawings. We can even reverse engineer existing toroids and bobbins to fix and rebuild components.
  2. We work with customers who need design help to create transformers that meet application requirements.