... external magnetic flux leakage. (2) Small losing,low-temperature,high efficiency The magnetic induction B value transformer strength is in the ... design of about 1.7 T (saturation magnetic induction intensity up to 1.9 T ),less winding turns, small internal ... very suitable to use this kind of toroidal transformer. (4) Small size, light weight. Winding transformer,not on the core framework,as long ...