Magnetics Ferrite Cores and Bobbins

Magnetic Ferrite Cores and Bobbins

Ferrite cores and bobbins are key components used in electronic devices for electromagnetic applications such as transformers, inductors, and antennas. They play a vital role in energy conversion, signal processing, and noise suppression.

We offer a full line of high quality magnetic ferrite cores, bobbins and mounting hardware. Our products are used in a wide range of applications in the electronics market from telecommunications and computing to automotive. We have been supporting the magnetics industry with high quality innovative cores for over 3 decades.

Ferrite Cores

Ferrite cores are magnetic components made of ferrite, a ceramic compound consisting of iron oxide combined with other metallic elements like manganese or zinc. These cores are designed to operate efficiently at high frequencies, making them ideal for applications in the radio-frequency (RF) and power electronics domains.

Types of Ferrite Cores:

  1. Toroidal Cores: Donut-shaped cores with high magnetic efficiency and minimal electromagnetic interference (EMI). Used in transformers and inductors.
  2. E-Cores: Shaped like the letter “E,” these are widely used in transformers and power supplies for easy winding placement.
  3. U-Cores: U-shaped cores often paired with I-cores for high-power applications.
  4. Rods and Beads: Cylindrical shapes used for EMI suppression in cables and circuits.
  5. Pot Cores: Encased cores for shielding magnetic fields and reducing interference.

Applications:

  • Transformers: Enable energy transfer in power supplies.
  • Inductors: Store energy in magnetic fields.
  • Chokes: Filter out high-frequency noise in electronic circuits.
  • EMI Suppression: Reduce interference in communication and power systems.

Bobbins

Bobbins are structural components used to hold wire windings for transformers, inductors, and coils. They provide mechanical support, insulation, and alignment for winding and assembling the cores.

Features:

  1. Material: Typically made from plastic, nylon, or other non-conductive materials to ensure electrical insulation.
  2. Designs: Customizable to fit different core types such as toroidal, E-cores, or U-cores.
  3. Slots and Pins: Allow precise wire routing and connections.

Applications:

  • Transformers: Serve as a base for winding primary and secondary coils.
  • Inductors: Enhance efficiency and organization in electronic circuits.
  • Custom Electronics: Provide scalability for varied designs in power and signal systems.

Advantages of Ferrite Cores and Bobbins:

  • Ferrite Cores:
    • High magnetic permeability.
    • Low energy loss at high frequencies.
    • Lightweight and cost-effective.
  • Bobbins:
    • Simplify assembly and winding.
    • Improve insulation and structural integrity.
    • Allow modular and scalable designs.

Key Applications:

  • Consumer Electronics: Power supplies, audio systems, and wireless chargers.
  • Automotive: Electric vehicle charging systems and ignition coils.
  • Industrial: High-frequency inverters, UPS systems, and EMI filters.
  • Telecommunications: Signal transformers and RF chokes.

We distribute several key manufactures in the magnetics industry becoming their franchised distributors. Some of these manufacturers include AEM, Epcos, Fair-Rite Products, Ferroxcube and Laird Technologies.

AEM, Inc. is a high reliability component solutions provider that continues to set the standard for quality, value and performance. AEM provides solutions and services to aerospace, defense and other “Hi-Rel” industries that require the highest quality level for circuit protection, EMI signal filtering, and Sn/Pb conversion applications.

EPCOS develops, manufactures and markets electronic components, modules and systems, focusing on fast-growing leading-edge technology markets, which include automotive electronics, information and communications technology, industrial electronics and consumer electronics.

Epcos Range of products Include:

• E/ELP Cores
• EFD/EV Cores
• ER/ETD/EQ Cores
• PM/P/P Cores
• Halves/EP Cores
• PQ Cores
• Ring/Double-Aperture Cores RM Cores
• U/I Cores Blocks
• Plates
• Disks
• Ferrite Materials

Fair-Rite

For over sixty years Fair-Rite Products Corp. has been amongst the top choices in cost effective ferrite components. They offer a comprehensive product line that includes a wide range of materials and geometries for EMI Suppression, Power Applications, and RFID Antennas.

Their Product line includes the following:

• Standard Ferrite Parts
• Custom Ferrite Parts
• New Low Frequency Suppression Cable Components
• Ferrite Machining
• Fair-Rite-Flexible Ferrite Sheets
• Power Materials and Components
• Flex Circuit & Ribbon Cable Core Kit
• High Frequency Toroid Kit
• Antenna/RFID Rods

Ferrox Cube, as a leading supplier in ferrite-ceramic technology, they offer a broad range of soft ferrite cores, accessories and EMI suppression products to support equipment manufacturers in their electromagnetic inference. They also offer extensive design-in support including application information and software to help designers optimize their new designs.

Ferrox Cube’s product offerings include:

• Shape Cores & Accessories
• Toroids
• EMI Suppression
• Shielding Ferrites
• Wired Components
• EMI Ferrites
• Special Ferrites
• Ferroxtag

Laird designs and manufactures customized, performance-critical products for wireless and other advanced electronics applications. The company is amongst the global market leaders in the design and supply of electromagnetic interference (EMI) shielding, thermal management products, signal integrity components, antenna solutions, as well as radio frequency (RF) modules and wireless remote controls and systems.

From EMI (electromagnetic interference) shielding, thermal management products, mechanical actuation systems, and signal integrity components to wireless antenna solutions, as well as RF (radio frequency) modules and systems, Laird delivers reliability.

Lairds extensive line includes:

• Antennas & Reception Solutions
• Power Products
• Embedded Wireless Solutions
• Emi Solutions
• Thermal Management Solutions
• Remote Control Systems
• Mining Communication Systems

In addition to our franchise lines we actively stock and order parts from the following manufacturers: