FAIR-RITE FT-400-31 – EXTRA LARGE 4 Inch TOROID – 31 MIX
Key Specifications & Features: Material: Mix 31 (Manganese-Zinc ferrite). Application: EMI/RFI Suppression, Chokes, Baluns. Frequency Range: 1 MHz to 300 MHz (Broadband). Dimensions: 4″ OD (Outer Diameter) x 3″ ID (Inner Diameter) x 1″ Height. Performance: Provides significant impedance for noise reduction at lower frequencies. Usage: Great for multiple turns on large coax cables (like RG-8/213) or power lines for effective noise filtering.