Calculating Inductance Of Flat Sheet Of Copper

Width of the conductor mm t.

Calculating inductance of flat sheet of copper.

Copper is not a perfect conductor. The dc resistance of a conductor is calculated using the equation where. μ0 μ 0 permeability of free space 4π 10 7. However even a straight piece of wire or your electrode has some self inductance this can be important if you are dealing with low impedances 1 ohm at high frequencies 10khz.

Using the coil inductance calculator. μr μ r relative permeability. You can choose from single layer solenoid multi layer solenoid and flat spiral coil forms. Some people call it magnet wire.

Inductance of the conductor μh ell. Lcoil l c o i l inductance of the coil in henries h n 2 n 2 number of turns. D d wire diameter. Select the geometry of your coil from the list.

This calculator uses javascript and will function in most modern browsers. L is the length in metres. We generally associate inductance with a loop or coil of wire. 1 inch 0 0254m 2 54cm 25 4mm.

Thickness of the conductor mm. On the contrary wires have a certain amount of resistance that increases with length and decreases with diameter. Enter the coil length measured as depicted in the diagram above. Lcoil n 2μ0μr d 2 ln 8d d 2 l c o i l n 2 μ 0 μ r d 2 l n 8 d d 2 where.

If dimension unit is mils then dimension is 0 0254. Strap inductance 0 2 l in 2 l w t 0 223 w t l 0 5 dimension where l length w width t thickness if dimension unit is mm then dimension 1. L inductance u r relative permeability of the core material air 1 turns number of turns on the coil area the cross sectional area of the core in square meters including some of the coil as shown in the diagram length length of the coil in meters. Even a single straight piece of wire has some inductance.

For more information see about our calculators. D d loop diameter. A flat spiral coil is a type of an air core inductor usually incorporated in the primary of a tesla generator rfid tag and proximity detectors. If we wind a wire into a coil it obviously creates inductance but even a straight piece of wire or a component lead has some parasitic inductance caused by the magnetic field that it creates.

This formula applies at low frequencies 30mhz using enameled copper wire. Resources eis inductance calculator. ρ is the resistivity of the conductor in ω m. Where l is the length in cm w is the width in cm t is the thickness in cm pcb copper 1 oz ft2 0 035mm.

One formula for inductance is as follows.