toroidal core, High-quality CRGO steels with the characteristics of low iron-loss and high permeability in thickness of 0.05mm, 0.23mm, 0.27mm, and 0.3mm.
描述
Range of dimension:
– Strip width: minimum 3mm
– Inside diameter: minimum 5mm
– Outside diameter: minimum 8mm, maximum 1100mm
| Toroidal cores tolerance (mm) | ||||
|
Outside Diameter
|
Inside Diameter
|
Height
|
||
|
OD
|
△D
|
ID
|
△d
|
△h
|
|
≤10
|
±0.4
|
≤10
|
±0.30
|
±0.3
|
|
≤25
|
±0.5
|
≤25
|
±0.40
|
±0.3
|
|
≤50
|
±1.0
|
≤50
|
±0.50
|
±0.4
|
|
≤80
|
±1.0
|
≤80
|
±0.75
|
±0.5
|
|
≤100
|
±1.0
|
≤100
|
±0.80
|
±0.5
|
|
≤160
|
±2.0
|
≤160
|
±1.30
|
±0.8
|
|
≤200
|
±2.5
|
≤200
|
±1.50
|
±1.5
|
|
≤320
|
±2.5
|
≤320
|
±2.00
|
±2.0
|
|
≤500
|
±3.5
|
≤500
|
±2.50
|
±2.5
|
|
≤800
|
±5.0
|
≤800
|
±3.50
|
±3.0
|
|
＞800
|
±7.5
|
＞800
|
±5.00
|
±4.0
|
Optional treatments of finished core:
（1）Uncut, non-impregnated.
（2）Uncut, lightly impregnated with epoxy varnish.
（3）Cut, fully impregnated with epoxy resin.
（4）Multiple-cut, fully impregnated with epoxy resin.
（5）Assembled with plastic cases [PP, maximum working temperature 110℃, thickness 0.4~0.8mm].
（6）Green epoxy coating [maximum working temperature 180℃, thickness 0.20~0.50mm].
（7）Black epoxy painting.
Material:
High-quality CRGO steels with the characteristics of low iron-loss and high permeability in thickness of 0.05mm, 0.23mm, 0.27mm, and 0.3mm.
Characteristic:
It is toroidal and wound in the same direction of closed flux path. No magnetic flux leakage. It has the best magnetic performance. It is easy and high-efficiency for coil winding with the toroidal winding machine.
Application:
The toroidal core is widely used in 50Hz and 400Hz transformers, current transformers, reactors, chokes, and other magnetic components of electronic equipment.
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