Toroidal transformers are round/doughnut shaped transformers
with wires around the core made of ferromagnetic materials like laminated iron,
iron powder or ferrite. The core cross-section can be circular, square or
rectangular, out of which the circular one is most expensive. Toroidal
transformers have complete magnetic field cancellation outside their core,
which results in lesser leakage inductance and less EMI when compared to other
types of transformers of the same power rating.
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| Toroidal Transformers |
