UT Cores are high permeability, low resistivity cores. They are available in several sizes, such as UT19 and UT20. UF cores are widely utilized as common mode chokes and EMI filters.
| Type | Fig | DIMENSIONS (mm) | Effective Parameters | AL (nH)+30% -20% | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | B | C | D | E | F | Le(mm) | Ae(mm²) | CF195 | CF197 | |||
| ET 3535 | 22 | 35.3 ±0.6 | 26.8 min | 35.3 ±0.6 | 26.8 min | 7.4 ±0.25 | 7.4 ±0.25 | 86.9 | 57.1 | 4100 | 5750 | |
| ET2930 | 22 | 29.0 ±0.4 | 23.0 ±0.4 | 30.0 ±0.4 | 24.0 ±0.4 | 5.0 ±0.25 | 5.0 ±0.3 | 74.5 | 27.9 | 2350 | 3300 | |
| ET2828 | 22 | 28.4 ±0.5 | 22.2 min | 28.4 ±0.5 | 22.2 min | 5.0 ±0.3 | 5.0 ±0.3 | 70 | 27 | 2400 | 3400 | |
| ET2424 | 22 | 24.2 ±0.5 | 19.0 min | 24.2 ±0.5 | 19.0 min | 4.0±0.2 | 4.0 ±0.3 | 60 | 18 | 1900 | 2650 | |
| UT20 | 23 | 20.6 ±0.3 | 16.0 ±0.3 | 14.1 ±0.25 | 7.5 ±0.15 | 4.1 ±0.2 | 4.6 ±0.2 | 53 | 13 | 1550 | 2150 | |
| UT19 | 23 | 19.5 ±0.3 | 13.1 ±0.25 | 14.2 ±0.3 | 7.0 ±0.2 | 4.0 ±0.2 | 5.0 ±0.3 | 51.2 | 16 | 1950 | 2750 | |
