Air Core Coil Calc

D is the coil diameter in meters.

Air core coil calc.

Air core inductor designer calculator. Enter the number of turns windings. Could this be possible. 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. L is the inductance in henry s. Advantages of an air core coil. 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.

Diameter and length of inductor are entered in millimetres along with the number of turns. L 0 001n2d 228d 2 254l where. Some inductors are wound without a bobbin and just air as the core. Enter the coil length distance from first to last winding see diagram.

The length of the coil is 1 cm. Air core inductor coil inductance calculator. L d 2 n 2 18d 40l 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.

The following is a design tool which calculates the inductance of an air core inductor. The calculator determines the inductance of a single layer coil. Coil inductance calculator to calculate the inductance of a single layer air core coil. Enter the coil diameter form diameter wire diameter see diagram.

An air core inductor is an inductor that does not depend upon a ferromagnetic material to achieve its specified inductance. 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. Some others are wound on a bobbin made of bakelite plastic ceramic etc.