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Combination Block Series

High-Performance Combined Magnetic Cores for Power Electronics

Combined magnetic cores integrate multiple magnetic materials—such as nanocrystalline, amorphous, and powder alloys—into a single structure to meet complex magnetic requirements in power electronics. POURLEROI delivers custom-built hybrid cores for global OEMs and system integrators in renewable energy, EV, and industrial automation sectors.

What Are Combined Magnetic Cores?

Combined magnetic cores, also referred to as hybrid cores, are custom-engineered assemblies that merge different core materials to achieve optimized magnetic performance in a single component. By combining materials like nanocrystalline and Sendust or ferrite with amorphous ribbons, these cores can simultaneously deliver high permeability, low core loss, and enhanced thermal and DC bias characteristics. These cores are particularly valuable in high-frequency, high-current circuits where standard cores fall short in balancing performance and compact size. POURLEROI designs and produces combined cores based on specific customer requirements for complex magnetic assemblies in industrial-grade power systems.

Product Overview

POURLEROI’s combined magnetic cores are developed for engineers seeking a tailored magnetic solution for high-performance power conversion. Each hybrid core is assembled using carefully matched materials and geometries to support compact form factors, stable inductance, and minimal energy loss across broad temperature and frequency ranges.

Whether it’s a combination of nanocrystalline and powder core to balance cost and saturation, or amorphous with ferrite to improve EMI filtering in switching applications, our engineering team can assist from material selection to final shaping and coating. Combined cores are ideal for multifunctional magnetic circuits like integrated chokes, high-frequency transformers, and common mode filters in constrained PCB environments.

With ISO-certified manufacturing and a commitment to customization, POURLEROI ensures each combined core meets strict performance, durability, and compliance standards required by industrial and automotive-grade power systems.

Why Choose POURLEROI as Your Combined Core Manufacturer?

As a factory-direct supplier with over 15 years of experience in soft magnetic materials, POURLEROI specializes in designing and manufacturing complex core combinations for mission-critical applications. We support full OEM/ODM customization, including hybrid material matching, precision shaping, AL tuning, and thermal protection coatings.

Our combined magnetic cores are produced with tight process control to ensure uniform magnetic properties, mechanical stability, and long-term reliability under high loads. We collaborate closely with engineering teams during the design and prototyping phase to shorten development cycles and ensure seamless integration into your power systems.

Choosing POURLEROI means partnering with a magnetic expert capable of delivering optimized, scalable hybrid core solutions for advanced industries.

Applications of POURLEROI Combined Magnetic Cores

POURLEROI’s combined magnetic cores are tailored for system integrators and OEMs who face complex power design challenges in high-density, high-reliability environments. In renewable energy systems, they are used in solar inverters and energy storage converters where balancing efficiency and EMI compliance is critical. In EV and hybrid vehicle platforms, combined cores support onboard chargers (OBCs), battery management systems, and high-power DC/DC converters by delivering stable inductance and compact design. Telecom equipment manufacturers benefit from hybrid cores in switching regulators and isolation transformers where core loss and thermal stability must be tightly managed. For industrial automation, these cores serve in power supplies, servo systems, and motor controllers where multi-function magnetic integration reduces board space and improves thermal performance. Designed for engineers who demand custom-fit, high-efficiency magnetic assemblies, POURLEROI’s combined cores offer flexibility without compromising on performance or compliance.

  • What materials can be combined in a hybrid magnetic core?

    Common combinations include nanocrystalline + Sendust, amorphous + ferrite, or custom pairings based on AL value, DC bias, and loss requirements.

  • Are combined cores customizable in shape and size?

    Yes, we support full customization including ring, block, and custom-geometry forms with a wide range of coatings.

  • What are the benefits of using a combined magnetic core?

    They allow you to achieve multifunctional magnetic behavior—such as balancing high permeability and thermal stability—in a compact, integrated design.

  • Do you offer technical support during the design phase?

    Absolutely. Our engineers provide magnetic simulation, material selection advice, and prototyping assistance for hybrid core development.

  • What is the lead time for combined magnetic core orders?

    Depending on complexity, lead times typically range from 3–5 weeks, with expedited services available for urgent engineering projects.

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