![EI transformer_James transformer-custom toroidal transformer|R core transformer|O core transformer|C core transformer|EI transformer EI transformer_James transformer-custom toroidal transformer|R core transformer|O core transformer|C core transformer|EI transformer](http://jamestransformer.com/uploads/allimg/EI-transformer.jpg)
EI transformer_James transformer-custom toroidal transformer|R core transformer|O core transformer|C core transformer|EI transformer
![Transformer core inductor: E vs EI shape inductance relation - Electrical Engineering Stack Exchange Transformer core inductor: E vs EI shape inductance relation - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/1aPae.png)
Transformer core inductor: E vs EI shape inductance relation - Electrical Engineering Stack Exchange
![Ei-192 Single Phase Transformer Ei Iron Core Lamination Ei Core for Transformer Expansion - China Ei Core for Transformer Expansion, Silicon Steel Core | Made-in-China.com Ei-192 Single Phase Transformer Ei Iron Core Lamination Ei Core for Transformer Expansion - China Ei Core for Transformer Expansion, Silicon Steel Core | Made-in-China.com](https://image.made-in-china.com/2f0j00dYkbgMuzbNqa/Ei-192-Single-Phase-Transformer-Ei-Iron-Core-Lamination-Ei-Core-for-Transformer-Expansion.jpg)
Ei-192 Single Phase Transformer Ei Iron Core Lamination Ei Core for Transformer Expansion - China Ei Core for Transformer Expansion, Silicon Steel Core | Made-in-China.com
![EI type transformer silicon steel sheet iron core EI20-60 perforated silicon steel sheet 0.5mm transformer accessories - AliExpress EI type transformer silicon steel sheet iron core EI20-60 perforated silicon steel sheet 0.5mm transformer accessories - AliExpress](https://ae01.alicdn.com/kf/H5e9a648a177241c8a319776003b67450p.jpg_640x640Q90.jpg_.webp)