Cores For Common Mode Chokes

Fair-Rite's common mode choke cores allow for compact and efficient winding of wire around a closed loop core

Image of Fair-Rite's Cores For Common Mode Chokes Fair-Rite's common mode choke cores stand out as essential components in electronics and power systems thanks to their unique toroidal geometry and the versatility of their use being rated for impedance. The toroidal shape of these cores allows for compact and efficient winding of wire around a closed loop core, minimizing electromagnetic interference (EMI) and providing superior performance. This design ensures high impedance, low EMI radiation, and extensive frequency range, improving the system's signal integrity. Additionally, allowing the customer versatility with increasing impedance per turn makes common mode chokes adaptable to a wide range of applications. By increasing the number of turns, customers can tailor the choke's impedance to meet specific requirements, making it an invaluable tool in mitigating common mode noise in diverse industries, such as telecommunications, automotive, and power electronics. With their toroidal geometry and adjustable impedance, common mode chokes are the go-to solution for achieving optimal EMI suppression and enhancing system reliability.

Comparison Graphs - Click to Enlarge

Image of 26XX801102 Differential with 5 Turns 24 AWG Sector Winding Chart

Image of 26XX801102 with 5 Turns 24 AWG Single Wire Chart

Key Benefits
  • Suppress noise on large current flow lines
  • Protect signals from waveform distortion
  • Extensive frequency range
  • High impedance
  • Low EMI-radiation
Applications
  • Switch-mode power supplies
  • AC/DC rectifiers
  • Electrical ballasts
  • Power inverters
  • Variable frequency drives
  • Digital data signals
Value Added Services
  • Custom winding
  • Coating
  • Gapping
  • Custom core (as pressed or machined)
Published: 2024-02-20