Air Core Coil Calc

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.

Air core coil calc.

L d 2 n 2 18d 40l where. Some others are wound on a bobbin made of bakelite plastic ceramic etc. Get help for the inductor designer close. Advantages of an air core coil.

L is the inductance in henry s. Some inductors are wound without a bobbin and just air as the core. Could this be possible. The length of the coil is 1 cm.

Air core inductor coil inductance calculator. Air core inductor designer calculator. 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. Enter the coil diameter form diameter wire diameter see diagram.

The following is a design tool which calculates the inductance of an air core inductor. Enter the number of turns windings. Select the measurement units inches or centimeters. Coil inductance calculator to calculate the inductance of a single layer 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. Enter the coil length distance from first to last winding see diagram. 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. D coil diameter in inches inches l coil length in inches inches n number of turns inductance.

D is the coil diameter in meters. L is the coil length in meters 0 8radius n is the number of turns. L 0 001n2d 228d 2 254l where. 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.