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flat-inductor


Flat Wire Inductance Calculator

  The inductance of a flat or ribbon wire (rectangular cross section), can be calculated using the following formula. The inductance of a track on a PCB can also be calculated with this.

[Formula for flat wire inductor]

Where    l = Length in cm                    

w = Width in cm       

                                                              t = thickness in cm  (PCB copper @ 1 oz/ft2 = 0.035 mm)

The original for this formula is by F.E. Terman and can be found in the Radio Engineers Handbook, McGraw-Hill, New York, 1945. The units have been changed from µH to nH and the thickness from cm to mm for easier working on PCB's.


Enter the Length:   cm
Enter the Width:   cm Inductance:   nH
Enter the Thickness:   mm

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