Prax
Custom Design and Manufacturing of Inductors, Transformers, and EMC Filters
Prax Power is a Spanish company based in Barcelona, specializing in the design and manufacturing of custom inductors, transformers, EMC filters, and other magnetic components for the power conversion and power supply markets. Established to meet the growing demand for custom inductive components, the company has solid experience and an experienced R&D team in the study, definition, and simulation of electromagnetic products to optimize performance, form factor, materials, and production costs.
Prax Power offers both catalog products and custom developments, with a “custom as standard” approach: collaboration with customers’ R&D teams results in optimized designs for each application.
Technologies and Expertise
Prax Power’s expertise covers the entire value chain of the inductive component, from sizing to industrialization.
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Design and development: A dedicated engineering team optimizes each component based on defined parameters or existing specifications, using specific software tools.
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Rapid prototyping: Functional samples are provided quickly to validate developments, ensuring a smooth transition to series production.
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Optimized industrialization: Custom designs are industrialized in the most optimal manner, with winding technologies specially chosen for each component (manual operations or fully automated solutions).
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Smart mechanical solutions: Customized mechanical mounting solutions, vacuum impregnation, tailored bobbins, or plastic housings are an integral part of the design.
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Reliable testing: 100% of samples and production components are tested mechanically and electrically, with quality control plans implemented.
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Quality certifications: Management system certified to ISO9001, ISO14001, and IATF16949(automotive).
Product Ranges
Prax Power offers a range of products covering market needs, from individual components to integrated solutions.
1. Custom Products
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Custom magnetic components: Inductors, transformers, EMC filters, common mode chokes, various windings.
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Custom mechanical solutions: Mountings, impregnations, housings, connectors.
2. Catalog Products
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A range of standard components serving as replacements, alternatives, or starting points for custom designs.
Main Application Areas
Thanks to the versatility of its technologies, Prax Power is deployed across a wide variety of demanding fields.
1. Renewable Energies
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Solar inverters, wind turbines, energy storage, electric vehicle charging stations.
2. Industry
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Industrial power supplies, motor drives, automation, LED lighting, machine tools.
3. Automotive
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On-board electronics, battery management systems (BMS), electric and hybrid vehicles, charging systems.
4. Telecommunications
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Power supplies for network equipment, RF amplifiers, communication systems.
5. Medical
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Diagnostic, imaging, and care equipment requiring reliable and high-quality power supplies.
Why Prax Power is a Strategic Partner for EMG2
At EMG2, we provide innovative technology building blocks and electronic solutions, particularly in motion control and energy (motors, encoders, drives, batteries) as well as embedded systems. Prax Power perfectly complements our offering by bringing high-performance, compact, and robust inductive components, essential for power conversion and EMC filtering.
Our collaboration allows French customers to benefit from:
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Local support in France, for technical assistance and close consulting.
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Simplified access to Prax Power’s catalog and custom ranges, with controlled lead times.
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Complementary expertise in embedded systems, vision, motion control, and power management, which can complement their projects.
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A tailored response for industrial, automotive, medical, renewable energy, and telecommunications projects requiring robust and reliable inductive components.
We support our customers in France in selecting the Prax Power components best suited to their needs (power, frequency, form factor, cost), also offering technical assistance for implementation and integration into their systems.