| Type of ferrite | toroidal |
| Features | rounded edges |
| Manufacturer series | TF |
| Dimensions | Fig. 1. |
| Core material | Ni-Zn ferromagnetic |
| Symbol | Øout. | Øint. | L | Imp. @ 25MHz | Imp. @ 100MHz |
|---|---|---|---|---|---|
| [mm] | [mm] | [mm] | [Ω] | [Ω] | |
| TF9X8X5 | 9 | 5 | 8 | - | - |
| TF10X4X6 | 10 | 6 | 4 | - | - |
| TF16X13X8 | 16 | 8 | 13 | - | - |
| TF25X12X15 | 25 | 15 | 12 | - | - |
| TF28X7.5X16 | 28 | 16 | 7.5 | - | - |
| TF28X16X20 | 28 | 20 | 16 | - | - |
| TF31X16X19 | 31 | 19 | 16 | - | - |
| TF41X15X27 | 41 | 27 | 15 | - | - |
| TF12.7X6.35X7.9 | 12.7 | 7.9 | 6.35 | - | - |
| TF9X3X5-B15 | 9 | 5 | 3 | 15 | 45 |
| TF13X5X7-B8 | 13 | 7 | 5 | - | - |
| TF21.2X6X12.7 | 21.2 | 12.7 | 6 | - | - |