These were widely used in AM radios, RF circuits, and frequency-tuned modules. A great find for collectors or anyone after period-correct radio components.
eBay
120x80x20mm Ultra large Transformer Ferrite Core Isolator Ferrite Ring RF Choke Ferrite Bead 120*80*20 mm 1PCS
Aliexpress UK
22uH RED RED BLACK SILVER 10%. High quality axial ferrite inductor. Miniature high stability 1/2W for general purpose use. Case style: axial. 6.8uH BLUE GREY GOLD SILVER 10%. 68uH BLUE GREY BLACK SILVER 10%.
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102x65x20mm Toroidal Transformer Ferrite Core inner 65mm 2.6inch Toroid Ferrite Core Ferrite Chokes Noise Filter 20mm Hole 65mm
Aliexpress UK
These were widely used in AM radios, RF circuits, and frequency-tuned modules. A great find for collectors or anyone after period-correct radio components.
eBay
10pcs RF Nickel-zinc Hollow Ferrite Core Double Holes RF Magnet RF Accessories Double-Hole Magnetic Ring Aperture
Aliexpress UK
High quality Ferrite Core (Bead). These cores are ideal for use as RF PA Chokes or for General RFI. Mon - Fri 9 - 3pm.
eBay
Ferrite Magnetic Ring 8X4X4MM Anti-interference Mn-Zn Toroidal Cores Toroid Ferrite Core for Inductor Chokes
Aliexpress UK
High quality Ferrite Core (Bead). These cores are ideal for use as RF PA Chokes or for General RFI. Mon - Fri 9 - 3pm.
eBay
Ferrite Magnetic Ring 13X7X5MM Anti-interference Mn-Zn Toroidal Cores Toroid Ferrite Core for Inductor Chokes
Aliexpress UK
Radio Shack Archer. 4 x Snap-On HF RF Chokes. + 2 x Extra Tokin Ring Sleeve Chokes (Pictured).
eBay
【20-10PCS】Ferrite Magnetic Ring 13X7X5MM Anti-interference Mn-Zn Toroidal Cores Toroid Ferrite Core for Inductor Chokes
Aliexpress UK
22uH RED RED BLACK SILVER 10%. 1MH BROWN BLACK RED SILVER 10%. High quality axial ferrite inductor. Miniature high stability 1/4W for general purpose use. Case style: axial. 6.8uH BLUE GREY GOLD SILVER 10%.
eBay
1Pcs American RF Ferrite Magnetic Ring FT140-43 Magnetic Ring High-frequency Magnetic Core
Aliexpress UK
Axially leaded inductors with a 10% tolerance suitable for a wide range applications including decoupling, filtering and RF blocking. Tolerance: 10%.
eBay