| Manufacturer | Part Number | Description |
|---|---|---|
TDK Corporation
| EER40 | (EER Series) Available Core |
| Unknown Manufacturer | EER40 | EER Cores |
| Smart Tech | EER40 | Switching Power Transformers |
| Unknown Manufacturer | EER40 | EER Cores |
JFE
| EER40 | EER Bobbins |
| Yuxiang | EER40 | EER Cores |
