Powerful EMI Suppression with Mix #43 Performance
The FT240-43 ferrite toroid core is engineered for efficient noise suppression in the mid-frequency range (25–100 MHz). Whether you're troubleshooting RF issues in your Ham Radio station, building a DIY choke balun, or filtering noise in Ethernet, USB, or coaxial cables, this core delivers exceptional results.
Optimized for 30–50 MHz – the most problematic RF zone for many radio systems
DIY Friendly – easy to wind with enameled wire or coax, supports 10–15 turns
General-Purpose Excellence – more flexible than Mix 31 (low freq) or Mix 61 (high freq)
Premium Build – genuine Fair-Rite Mix #43 with high resistance and stable AL value (~1075 nH/N²)
Whether you're an RF engineer, a Ham operator, or just someone eliminating annoying audio buzz or network interference, this ferrite core is a must-have tool in your toolkit.