Global Electronic Transformers Market By Type (FBT( Fly back transformers) , LOPT( Line output transformers) , RF (Radio frequency ) , PFN(Pulse forming network) , Signal transformers , and Others(telecommunication transformers)), By Application (Lighting , Impedance Matching , Frequency , and Others), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2020-2029