Magnetic core since 1995

Core Professional, Core International

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Trade Mark
SG-, HWR-, FA-, SU-, SE-, SM-, CD/XCD-Series; Customized dimensions also welcome.
Delivery time
Samples: 8~10 days; Batches: 8~30 days accordingly.
Payment term
TT or L/C


High quality CRGO steels with low iron-loss and high permeability in thickness of 0.05mm, 0.08mm, 0.1mm, 0.23mm, 0.27mm, 0.3mm and 0.35mm.



The two halves put together and come into a closed flux path as an open structure. So bobbin and core can be produced separately, afterward put the core in bobbin, and then the production time can be reduced.

All cores, unless otherwise state, are individually tested to the standard guarantee specifications. Special test conditions, when required, can be applied and guaranteed to suit customer's individual requirements.



Various specifications C core are widely used in 50Hz and 400Hz transformers, current transformers, reactors, chokes and other magnetic components of electronic equipment.

Specifications of Standard C Cores:



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2017-05-08 08:25:25


Please provide the drawing dimensions which tells the Notations used in dimension table.
2016-12-06 16:20:39

Edward Nina

I was wondering if I could get a sample drawing? The dimensions are stated but there is no mention of what it is in relation to. For example, is the D dimension the thickness?
2016-11-17 02:49:47

Som Bahrami

Please more Info !! above chart need a drawings.I am Intersted on your C cors Thanks
2016-09-10 01:09:11


Dear Som Bahrami, please contact me by email ( for more details, we could supply both standard and customized C-cores in different materials. Regads, Johnny Zhou
2017-05-02 15:21:51


Dear Can the core be cut into other shape. can I use the core to make a flat yoke for machines. Thanks stone
2016-09-07 23:10:29
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