Calculating Winding Tables

Date: 2026-01-12

  • Winding tables are used for loading coils or transformer windings.
  • Select target inductance L and coil form dimensions.
  • For air-core solenoid: L(uH) = (r^2 * N^2) / (9r + 10l).
  • Solve for turns N and calculate turn spacing for uniform winding.
  • For ferrite cores, use AL: L(nH) = AL * N^2.
  • Create a table of N vs L for common tap points.
  • Include wire gauge, diameter, and maximum current rating.
  • Validate inductance with an LCR meter when possible.