The following is a design tool which calculates the inductance of an air core inductor.
Air core coil calc.
Could this be possible.
Some others are wound on a bobbin made of bakelite plastic ceramic etc.
L is the inductance in henry s.
Enter the number of turns windings.
The calculator determines the inductance of a single layer coil.
Formula equations for inductance of air core inductor calculator inductance of an air core coil inductor l n2 x d2 18d 40l μh where n number of turns d inductor coil diameter l inductor coil length.
L is the coil length in meters 0 8radius n is the number of turns.
Enter the coil diameter form diameter wire diameter see diagram.
This calculator is useful when making antenna matching units low pass filters crystal sets antenna traps resonant circuits or anywhere where an air cored single layer inductor is required.
Diameter and length of inductor are entered in millimetres along with the number of turns.
L 0 001n2d 228d 2 254l where.
The calculation is based on the classic wheeler s formula for single layer inductance air core tightly wound which dates back to the radio days of the 1920s.
Air core inductor coil inductance calculator.
Advantages of an air core coil.
Coil inductance calculator to calculate the inductance of a single layer air core coil.
Get help for the inductor designer close.
Calculate the inductance of a single layer coil of a 10 turn air core coil wound on a cylindrical former with a diameter of 2 cm.
Some inductors are wound without a bobbin and just air as the core.
L d 2 n 2 18d 40l where.
Air core inductor designer calculator.
The length of the coil is 1 cm.
D is the coil diameter in meters.
The inductor is a common school use transformer 5000 turn coil with wire diameter about 0 15mm the official air core value is 0 6h however when i calculate the iron core got a result of 105h.
An air core inductor is an inductor that does not depend upon a ferromagnetic material to achieve its specified inductance.