FT-240-31 Toroidal Ferrite Core 2.4" Black Ferrite Toroidal Core Ring

Our FT-240-43 Ferrite Toroidal Core is a professional industrial/DIY component, solving interference issues and boosting equipment stability. It anti-interference, durability, precise size, easy installation. ft240-31 toroidal cores ferrite effectively suppresses EMI and RFI in data lines (USB, Ethernet, telephone lines), ensuring stable signal transmission without distortion. black ferrite rings toroid core iron for building high-performance common mode chokes. Made of 43 ferrite, it has an optimal EMI suppression range of 20 MHz to 250 MHz, with high permeability, low loss and strong thermal stability for long-term use. Each toroid ferrite core is individually plastic-packaged to avoid scratches, dust and impact during transport and storage. With precise dimensions (OD: 2.4 inches, ID: 1.40 inches), it fits most signal and power cords tightly. Widely used in transformers, impedance matching circuits and power line filters to enhance electronic equipment stability. Tool-free installation: simply slide the core onto the cable. Its smooth surface enables easy wire winding to increase inductance and anti-interference, suitable for professionals and DIY enthusiasts. Thank you for your purchase. If you have questions about size, installation, application or performance, contact us—our team will reply promptly to help. Choose the FT240-43 Ferrite Toroidal Core for reliable anti-interference, durability and easy operation.