E core inductor online calculator:
This calculator is designed to calculate the number of windings of a coil on a ferrite E core for a required inductance. The peak current limited by core saturation is calculated assuming a maximum magnetic flux of 0.3T for most ferrites. For an iron core this current is at least 3 times higher.

ENTER THE INPUT DATA:
| Select units: |
| L | = | – Required inductance |
| A | = | – Dimension A |
| B | = | – Dimension B |
| C | = | – Dimension C |
| D | = | – Dimension D |
| E | = | – Dimension E |
| F | = | – Dimension F |
| b | = | – Slot size |
| g | = | – Center-post gap |
| μr | = | – Relative magnetic permeability |
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