Custom Power Transformer General Design Specs

Custom Power Transformer General Design Specifications

  • Core material: silicon steel, powdered iron, ferrite, nickel steel and other specialty materials.
  • Core types: C-Core, Laminations, U-Core:
  • Single Phase Transformers up to 4 KVA Single or multiple primaries and secondaries
  • Terminations: lead wires, various terminals, terminal blocks, printed circuit board bobbins
  • Specialized finishing available
  • Electrostatic shielding available


Butler Winding custom designed components are used as:

  • Power, Control, Drive, Isolation and Auto Transformers
  • Printed Circuit Board Transformers
  • Current Transformers
  • Pulse Transformers
  • Chokes/Inductors
  • Magnetic Amplifier Components/Saturable Reactors
  • Panel/Chassis Mounted Transformers
  • Inverter/Converter Transformers
  • Power Supply Components
  • A wide range of end-user applications including: aerospace and defense, medical, industrial controls, machine tools, automation machinery, power conditioning, computers, power supplies.


Butler Winding custom magnetic components offer:

  • Designed and Engineered for optimal efficiency
  • Flexible dimensions and mounting configurations
  • Epoxy impregnation
  • Product built with UL recognized insulation materials


  • Samples: 2-3 weeks on average
  • Production: 4-6 weeks
  • Versatile Manufacturing Schedule

Customer Requirements

  • All units engineered to customer specifications
  • Prompt Engineering and Applications Support


  • Competitive pricing
  • Manufactured quantities from 1 to required quantity.
If you need assistance with your design, please contact Butler Winding and ask for Engineering.