Transformer cores, U series
| Type of core | ferrite |
| Version | U |
| Symbol | Material | Inductance factor AL | Effective core volume (Ve) | Effective core cross-section (Ae) | A | B | C | D | E |
|---|---|---|---|---|---|---|---|---|---|
| [nH] | [mm3] | [mm2] | [mm] | [mm] | [mm] | [mm] | [mm] | ||
| U100/57/25-3C90 | 3C90 | 5500 | - | - | - | - | - | - | - |
| U25/16/6-3C90 | 3C90 | 1200 | - | - | - | - | - | - | - |
| U15/11/6-3C94 | 3C94 | 1400 | - | - | - | - | - | - | - |
| U93/76/30-3C94 | 3C94 | 6400 | - | - | - | - | - | - | - |
| B67345B0001X027 | N27 | 5400 | - | - | - | - | - | - | - |
| B67345B0001X087 | N87 | 5700 | - | - | - | - | - | - | - |
| U20/16/7-3C94 | 3C94 | 1900 | 3800 | 56 | 20.8 | 6.4 | 8.3 | 15.6 | 7.5 |
| U93/52/30-3C94 | 3C94 | 8700 | 217000 | 840 | 93 | 36.2 | 24 | 52 | 30 |
| U93/76/16-3C94 | 3C94 | 3400 | 159000 | 448 | 93 | 36.2 | 48 | 79 | 16 |
| U10/8/3-3C94 | 3C90 | 420 | - | - | - | - | - | - | - |
