Inductance of Twin Lead

Cross section of Twin Lead transmission line

d [m]  distance from center to center a [m]  wire radius µr [ ]  relative permeability of the medium L/l [H/m]  Inductance per unit length

NOTE: numbers are in scientific notation (e.g.: 1.427e-9 H = 1.1427·10^-9 H = 1.427 nH)

See also notes on Inductance Calculations page.