... coil and transformer bobbins,coil with led light,bobbin core coil,transformer coil former 1.features: coil and transformer bobbins,coil with led light,bobbin core coil,transformer coil ... linear filter ,current tranformer,smoothing choke coil,drive transformer•RM core core: filters, inductors ... and winding drawing.2. Additional requirements.3. Estimated order quantity.EC Type Transformer:Canter ...