... .OEM Brand:Cheng YiItem No.CY-0009 Place of Origin:Chaozhou,ChinaUsage:oil immersed transformer,transformer cooling fans,transformer oil test equipmentCoil Structure:Toroidal Coil Number: According ... SPC exchange, color TV, VCD, DVD, mobile charger, PC power and other electronic instrumentsApplications: 1) For digtal telecommunications applications 2) For ...