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T106-2 Iron Ferrite Toroid Cores 27*14*11 mm For Inductors Iron powder Core Red Ring 10MB Low permeability - AliExpress
2pcs 9.2 x 18 x 6.5mm Ferrite Ring Iron Powder Toroid Cores Black Gray Inductor Ferrite Rings for Power Transformers Inductors _ - AliExpress Mobile
Nuclei di ferrite: Commercio, Industria e Scienza : Amazon.it
Dettaglio Induttore Toroidale Nucleo Bobina In Ferrite Blu Con Avvolgimento Filo Rame E Circuiti Integrati - Fotografie stock e altre immagini di Attrezzatura - iStock
50 Pcs/Set T50-26 Iron Power Core Toroidal Ferrite Rings 7.5mm ID For Inductors - AliExpress
uxcell 10 Pcs Iron Ferrite Core Power Inductor Toroidal Shaped Ferrite Ring Low Permeability 18x9x5mm Yellow White - Price history & Review | AliExpress Seller - U Perfecter Store | Alitools.io
ESD-R-12C | Anello di ferrite KEMET, Ø int. 7.3mm, Ø est. 11.8mm, H. 15mm | RS