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Fair-Rite FT-140-43 | FT140-43 Ferrite Toroid Core, HF Choke, EMS, EMC Suppression Cable (2 Pack) in Kuwait Fair-Rite FT-140-43 | FT140-43 Ferrite Toroid Core, HF Choke, EMS, EMC Suppression Cable (2 Pack) in Kuwait Fair-Rite FT-140-43 | FT140-43 Ferrite Toroid Core, HF Choke, EMS, EMC Suppression Cable (2 Pack) in Kuwait Fair-Rite FT-140-43 | FT140-43 Ferrite Toroid Core, HF Choke, EMS, EMC Suppression Cable (2 Pack) in Kuwait

Fair-Rite FT-140-43 | FT140-43 Ferrite Toroid Core, HF Choke, EMS, EMC Suppression Cable (2 Pack)

KWD 4.500
Brand
Generic
– 1 +

Special Features

  • More winding comfort (23 mm inner diameter): The large inner diameter (23.00±0.55 mm) makes clean wrapping noticeably easier - ideal for multiple turns or more insulated conductors. The free interior becomes smaller with each turn (take into account when planning).
  • Designed for EMV/RF structures: as a winding core for suppression and filter windings, e.g. Common mode chokes, RF filter stages as well as transformer/balun (result depends on turn number, conductor guide and circuit).
  • Can be planned via AL instead of "try": AL 885 nH ±20% at 10 kHz (<10 gauss) - core constant for reproducible windings; realistically plan the ±20% tolerance at setpoint values.
  • Fit & dimensions (mm) with tolerances: outer diameter 35.55±0.75 inner diameter 23.00±0.55 height 12.70±0.50 – important if the core is to fit into the mount/housing and you want to work mechanically clean.
  • Core values for calculation & project document: le 89.1 mm Ae 78.4 mm² Ve 6991 mm³ Lo 1.106 nH θl/A 1.1361 mm-1 tan δ/µi ≤ 40×10-6 @100 kHz (<1 gauss).
  • Designation & Part Number: 2pcs FT140-43 (also FT-140-43) -

Description

2 x FAIR-RITE ferrite toroidal core FT140-43 This ferrite toroid is a winding core for EMC and RF bodies, e.g. as a common mode choke, in RF filters or for transformers/balun. The result is always structure-dependent and depends on the number of turns, conductor guidance, circuit environment and mechanical construction. 23 mm inner diameter. The large inner diameter (23.00 ± 0.55 mm) facilitates clean winding, even with several turns or insulated conductors. With each additional turn, the free interior becomes smaller, so plan winding number, wire thickness and insulation appropriately. Dimensions (mm) Outer diameter 35.55±0.75 Inner diameter 23.00±0.55 Height 12.70±0.50. AL value AL 885 nH ±20% at 10 kHz (

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