Laird Ferrite Toroid
| AL (nH per turn squared) | Material 36, 46 Minimum inductance with various turns |
| Material 40 and 42 AL | Material 66 Minimum inductance with various turns |
| Laird Ferrite Toroid |
| Initial | ||
| Typical Application | Material | Permeability (ui) |
| Common Mode | 35 | 5000 |
| Filtering | 28 | 850 |
| 25 | 125 | |
| 38 | 1700 | |
| DC Bias Ethernet | 36 | 4500 |
| Transformers | 46 | 4000 |
| 56 | 5500 | |
| 66 | 3200 | |
| High Perm | 42 | 7500 |
| for Telecom | 40 | 10000 |
