Prax is a leader in the supply of components for the Power Electronics industry. PRAX core competences are in the field of Inductive Components and EMC Filters. With a multi-site approach (Spain and China), PRAX wants to be a strategic partner by means of offering global service, strong R&D support and customized supply chains according to customer requirements.

Input and Output Chokes
Common-Mode Chokes
Pulse Transformers
Current Transformers
SMPS Transformers
Planar Transformers
Power Inductors
PFC Chokes


Design / Development

  • Strong R&D support focus
  • Component optimisation
  • Specific design software tools

Samples / Prototypes

  • Quick-turn functional samples
  • Smooth transition to production


  • Custom design
  • Winding technologies
  • Variety of manufacturing processes


  • Large quantity projects
  • Also for non-standard solutions

Mechanical Solution

  • Custom mounting solution
  • Vacuum impregnation
  • Tailored bobbins
  • Plastic housings


  • 100% of samples, trial and production
  • Mechanical and electrical
  • Production control plans
  • Deliveries can be done indistincly to Europe or Asia
  • Supply chain by SEA freight, AIR freight or combination of both
  • Delivery flexibility for urgencies, rampups
  • Customised supply chains

More information about PRAX-POWER

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