Naturally, EFC Cores are more expensive than E Cores and have better space usage/utilization.Sizes such as EFC2508 are available. Compact transformers are the most prevalent/common application for EFC cores.
| Type | Fig | DIMENSIONS (mm) | Effective Parameters | AL (nH)+30% -20% | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | B | c | D | E | F | G | Le(mm) | Ae(mm²) | CF196 | CF139 | CF130 | ||
| EVD2513 | 18 | 25.0+0.8-0.7 | 19.2±0.4 | 12.6±0.25 | 9.55±0.25 | 8.8±0.25 | 12.7-0.5 | 8.3±0.3 | 60 | 73 | 2400 | 2500 | 3700 |
| EVD1509 | 19 | 14.9±0.6 | 11.1±0.3 | 8.85±0.15 | 6.2 +0.2 | 5.6±0.2 | 6.8±0.2 | 4.6±0.2 | 38.7 | 27.7 | 1200 | 1300 | - |
| EFC2508 | 20 | 25.1±0.4 | 21.0 min. | 12.5±0.2 | 9.0 ±0.2 | 11.5±0.2 | 8.0±0.2 | 3.95±0.15 | 59.2 | 46.4 | 1700 | 1750 | - |
