1.Miniwatt DC IsolationTransformer 2.Efficiency 0.99 3.Design parameter for free 4.Fast delivery 5.Customized available High-frequency Transformer,Miniwatt DC IsolationTransformer1.Material: Normal material. Chinese brands: Dongci, TianTong and Yuefeng.2.Type: Electronic Transformer.3.Type of cooling: oil immersion transformer4. If you demanded us to design the technic parameters for you, we will ...