... :1500/3750Vac for 1 minute between primary&secondary5. Insulation resistance:500Vdc 100MΩ min.between primar&secondary. Normal parameters: EE type transformer Part ... e-mail for quote:1.Specification inclouding bobbin,core dimensions and winding drawing,2.the quantity.High frequency transformer(EE,EI,ETD,PQ ... inductors19) All kinds of filters20) All kinds of transformers EE,EI,PQ,EF Power transformer