| SYMBOL | UNITS | DESCRIPTION |
|---|---|---|
| A e | mm 2 | Effective Cross-Sectional Area of a core |
| A min | mm 2 | Minimum Area of Cross-Section |
| A L | nH | Inductance Per Turn |
| B r | mT | Residual Flux Density |
| B S | mT | Saturation Flux Density |
| ^ B |
mT | Peak Induction |
| d | Kg/m 3 | Density |
| f | KHz | Frequency |
| g | mm | Airgap (cut) |
| H C | A/m | Coercive Field Strength |
| L e | mm | Effective Magnetic Path Length |
| I | A | Current |
| L | H | Inductance |
| N | - | Number of Turns |
| P C | Kw/m 3 | Core Loss Density |
| SPM | deg.C | Secondary Permeability Maximum |
| T C | deg.C | Curie Temperature |
| Tan δ/μi | - | Relative Loss Factor |
| V e | mm 3 | Effective Volume of a core |
| μi | - | Initial Permeability |
| μ' | - | Real Component of Complex Permeability |
| μ'' | - | Imaginary Component of Complex Permeability |
| ρ | Ω m | Resistivity |
