Air Core Coil Calc

Coil inductance calculator to calculate the inductance of a single layer air core coil.

Air core coil calc.

The following is a design tool which calculates the inductance of an air core inductor. D is the coil diameter in meters. Could this be possible. Air core inductor designer calculator.

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. 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. D coil diameter in inches inches l coil length in inches inches n number of turns inductance.

Enter the number of turns windings. Some others are wound on a bobbin made of bakelite plastic ceramic etc. L d 2 n 2 18d 40l where. Air core inductor coil inductance calculator.

L is the inductance in henry s. Diameter and length of inductor are entered in millimetres along with the number of turns. L is the coil length in meters 0 8radius n is the number of turns. The calculator determines the inductance of a single layer coil.

Enter the coil diameter form diameter wire diameter see diagram. L 0 001n2d 228d 2 254l where. Enter the coil length distance from first to last winding see diagram. 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.

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. Get help for the inductor designer close. 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. Advantages of an air core coil.