Ferrite Toroid Core For HF Choke And EMI EMC Suppression, 23 mm Inner Diameter, Easy Winding Design, 2 Pack Cable Core For RF Noise Reduction And Power Line Filtering
✔️ 2-pack ferrite toroid core FT140-43, 23 mm ID, AL 885 nH ±20%
This ferrite toroid core serves as a winding foundation for EMV/RF suppression, enabling reliable common mode chokes, RF filters, and transformer builds in electronics projects.
✅ Outer diameter 35.55±0.75 mm
✅ Inner diameter 23.00±0.55 mm
✅ Height 12.70±0.50 mm
✅ AL value 885 nH ±20% at 10 kHz (<10 gauss)
✅ Core constants: le 89.1 mm, Ae 78.4 mm², Ve 6991 mm³, Lo 1.106 nH, 1/3l/A 1.1361 mm^-1, tan δ/µi ≤ 40×10^-6 @100 kHz (<1 gauss)
💡 What is a ferrite toroid core used for in RF noise suppression and EMI filtering? A handy component for clean signals and EMI reduction.
- Handy for common mode chokes, RF filters, and baluns to reduce interference
- Supports repeatable inductance planning using AL values for precise builds
- Provides defined dimensions (23 mm ID, 35.55 mm OD) for reliable mounting