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These Amidon toroids are often used for broadband not tuned circuits, for example as transformers in Norton circuits, as component for power splitters, dividers or combiners, HF balun, for input or output matching, on HF - VHF power amplifiers, on high impedance IF filters, etc..
Moreover, for their characteristics of medium-high inductance, they are also used to build decoupling choke coils, power supply EMI filters, etc.. because they could reach high inductance values.
Dividers-combiners @ -3 dB |
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Hybrid @ - 6 dB with 1 pc of FT…-43 toroid 1 - 200 MHz high insulation adequate return loss |
Silver plated unipolar wires with teflon insulation useful to build inductances and transformers on toroids are available in "cables" section.
Order code: | FT-240-46 |
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Toroid for broadband and EMI filters Fair-Rite 2646803802 |
Conditions: | N (The product is brand new) |
Material: | 46 |
Permeability (µi): | 500 |
AL (nH): | 900 |
Outer diameter (metric): | 61 mm |
Inner diameter (metric): | 35.55 mm |
Height (metric): | 12.7 mm |
Outer diameter (imperial): | 2.4 in |
Inner diameter (imperial): | 1.4 in |
Height (imperial): | 0.5 in |
Order code: | FT-240-52 |
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Toroid for broadband and EMI filters Fair-Rite 5952003801 |
Conditions: | N (The product is brand new) |
Material: | 52 |
Permeability (µi): | 250 |
AL (nH): | 325 |
Outer diameter (metric): | 60 mm |
Inner diameter (metric): | 35.35 mm |
Height (metric): | 12.7 mm |
Outer diameter (imperial): | 2.36 in |
Inner diameter (imperial): | 1.39 in |
Height (imperial): | 0.5 in |
Order code: | FT-240-61 |
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Toroid for broadband and EMI filters Fair-Rite 5961003801 |
Conditions: | N (The product is brand new) |
Material: | 61 |
Permeability (µi): | 125 |
AL (nH): | 170 |
Outer diameter (metric): | 61 mm |
Inner diameter (metric): | 35.55 mm |
Height (metric): | 12.7 mm |
Outer diameter (imperial): | 2.4 in |
Inner diameter (imperial): | 1.4 in |
Height (imperial): | 0.5 in |
Order code: | FT-240-75 |
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Toroid for broadband and EMI filters Fair-Rite 5975003801 |
Conditions: | N (The product is brand new) |
Material: | 75 |
Permeability (µi): | 5000 |
AL (nH): | 6850 |
Outer diameter (metric): | 61 mm |
Inner diameter (metric): | 35.55 mm |
Height (metric): | 12.7 mm |
Outer diameter (imperial): | 2.4 in |
Inner diameter (imperial): | 1.4 in |
Height (imperial): | 0.5 in |
Order code: | FT-240-77 |
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Toroid for broadband and EMI filters Fair-Rite 5977003801 |
Conditions: | N (The product is brand new) |
Material: | 77 |
Permeability (µi): | 2000 |
AL (nH): | 2950 |
Outer diameter (metric): | 61 mm |
Inner diameter (metric): | 35.55 mm |
Height (metric): | 12.7 mm |
Outer diameter (imperial): | 2.4 in |
Inner diameter (imperial): | 1.4 in |
Height (imperial): | 0.5 in |
Order code: | FT-240-KB |
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Toroid for broadband and EMI filters Laird 28B2400-000 |
Conditions: | N (The product is brand new) |
Permeability (µi): | 400 |
Outer diameter (metric): | 60.96 mm |
Inner diameter (metric): | 35.56 mm |
Height (metric): | 12.7 mm |
Outer diameter (imperial): | 2.4 in |
Inner diameter (imperial): | 1.4 in |
Height (imperial): | 0.5 in |
Order code: | FT-290-43 |
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Toroid for broadband and EMI filters Fair-Rite 5943011101 |
Conditions: | N (The product is brand new) |
Material: | 43 |
Permeability (µi): | 800 |
AL (nH): | 1300 |
Outer diameter (metric): | 73.65 mm |
Inner diameter (metric): | 38.85 mm |
Height (metric): | 12.7 mm |
Outer diameter (imperial): | 2.9 in |
Inner diameter (imperial): | 1.53 in |
Height (imperial): | 0.5 in |
Order code: | FT-290-77 |
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Toroid for broadband and EMI filters Fair-Rite 5977011101 |
Conditions: | N (The product is brand new) |
Material: | 77 |
Permeability (µi): | 2000 |
AL (nH): | 3740 |
Outer diameter (metric): | 73.65 mm |
Inner diameter (metric): | 38.85 mm |
Height (metric): | 12.7 mm |
Outer diameter (imperial): | 2.9 in |
Inner diameter (imperial): | 1.53 in |
Height (imperial): | 0.5 in |
Order code: | FT-340-43 |
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Toroid for broadband and EMI filters |
Conditions: | N (The product is brand new) |
Material: | 43 |
Permeability (µi): | 800 |
AL (nH): | 1000 |
Outer diameter (metric): | 85.7 mm |
Inner diameter (metric): | 55.5 mm |
Height (metric): | 13.5 mm |
Outer diameter (imperial): | 3.374 in |
Inner diameter (imperial): | 2.185 in |
Height (imperial): | 0.531 in |
Order code: | FT-400-43 |
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Toroid for broadband and EMI filters |
Conditions: | N (The product is brand new) |
Material: | 43 |
Permeability (µi): | 800 |
AL (nH): | 1200 |
Outer diameter (metric): | 101 mm |
Inner diameter (metric): | 65 mm |
Height (metric): | 20 mm |
Outer diameter (imperial): | 4 in |
Inner diameter (imperial): | 2.6 in |
Height (imperial): | 0.8 in |
Order code: | FT-470-43 |
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Toroid for broadband and EMI filters |
Conditions: | N (The product is brand new) |
Material: | 43 |
Permeability (µi): | 800 |
AL (nH): | 1390 |
Outer diameter (metric): | 120 mm |
Inner diameter (metric): | 85 mm |
Height (metric): | 25 mm |
Outer diameter (imperial): | 4.7 in |
Inner diameter (imperial): | 3.4 in |
Height (imperial): | 1 in |