E Cores (9478105002)Part Number: 9478105002
78 E CORE SET
The E core geometry offers an economical design approach for inductive applications in a variety of power designs.
E cores can be supplied with the center post gapped to a mechanical dimension or an ALvalue.
Weight indicated is per pair or set.
Weight: 16 (g)
| Dim | mm | mm tol | nominal inch | inch misc. |
| A | 25.05 | ±0.65 | 0.986 | _ |
| B | 12.55 | ±0.25 | 0.494 | _ |
| C | 7.2 | ±0.30 | 0.283 | _ |
| D | 8.95 | ±0.25 | 0.352 | _ |
| E | 17.5 | min | 0.689 | min |
| F | 7.25 | ±0.25 | 0.285 | _ |
Chart Legend
Σl/A : Core Constant, le : Effective Path Length, Ae : Effective Cross-Sectional Area, Ve : Effective Core Volume
AL : Inductance Factor 
Explanation of Part Numbers: Digits 1 & 2 = product class and 3 & 4 = material grade.
| Electrical Properties | |
| AL(nH) | 1800 ±25% |
| Ae(cm2) | 0.509 |
| Σl/A(cm-1) | 11.4 |
| le(cm) | 5.79 |
| Ve(cm3) | 2.95 |
| Amin(cm2) | 0.49 |