Reference Designer

Reference Designer Calculators

Via Inductance Calculator

The Via Inducatance according to Howard Johnson can be given by the following formula ( which is not very accurate as it does not take into account the return path of the current).



Where,

d = via barrel length in inches
h = thickness of the PCB in inches

via barrel diameter d		inches
Via length h		inches
		nH

For a detailed discussion of PCB via please see the post here