Toroid Winding Calculator   •

 You can use this calculator to determine the number of windings required to achieve the desired inductance on a ferrite or iron powder toroidal cores.
Material Type: Calculate
Core Size

Material Number

To use the calculator:
First, select the core material type.
     Select Iron Powder for cores with a 'T' prefix (such as the T-50-2).
     Select Ferrite for cores with an 'FT' prefix (such as the FT-43-63).

For more information about using this calculator, see Using the Toroid Winding Calculator.

Two great references on toroidal inductors and transformers
The ARRL Handbook for Radio Communications
Transmission Line Transformers




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