CRGO tape wound toroidal cores for transformer

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Toroidal Core
Low noise
The core of toroidal transformer has no air gap, so there will be less induced shaking noise. And copper wires embrace the core tightly, which effectively reduced the hum noise.
Low-temperature rise
Toroidal transformer has high efficiency. The core loss of toroidal transformer is low. The windings, which worked on a low-temperature core, can obtain effective heat radiation.

Welding ：Spot welding is firm and smooth, and does not weld through two layers
Winding ：winding is tight, the start and end of the sheet can not be turned up
Planeness ：surface unevenness is less than 0.1mm
Fineness ：No crystalline fine particles (no crystalline fine particles on the cut surface)
Cut face ：No obvious crack on the cutting face (no light transmission and peeling between layers)
Surface ：Visually without burrs, rust, or deformation (to control deformation within tolerances)
Products ：Do not contain PbCdHgCrPBBsPBDEs

CRGO Tape wound Cores
wind one long continuous silicon steel tape tightly into a spiral
advantage: no air gap, high magnetic properties, easy to roll
weakness: difficult to wind large cores and realize mechanized

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