Traftor windings changing the rules
EI and C cores create high parasitic capacitance everywhere which :
With toroidal shape, only the first and last turn area needs more insulation.
With toroidal core, only a few turns of coil with higher voltage stress need the use of reinforced insulation. Reliability is improved thanks to less aging factors due to lower parasitic capacitance.
It can further be improved, using our VPI system (Vacuum Pressure Impregnation).