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Silicon Steel Sheet Toroidal Transformer Iron Core Iron Power Core

Silicon Steel Sheet Toroidal Transformer Iron Core Iron Power Core

The Silicon Steel Sheet Toroidal Transformer Iron Core combines superior electromagnetic properties with exceptional efficiency for your power transformation needs. Manufactured from high-grade silicon steel, this toroidal core delivers minimal core losses and excellent magnetic permeability, making it ideal for various transformer applications. Its circular design ensures uniform magnetic flux distribution and reduced electromagnetic interference compared to traditional laminated cores. The core features precise winding capability, compact size, and lower operating temperatures, perfect for power supplies, inverters, and other electronic devices requiring stable power conversion. With excellent saturation characteristics and low noise operation, this transformer core offers reliable performance in both low and high-frequency applications. Each core undergoes strict quality control to ensure consistent magnetic properties and dimensional accuracy for your manufacturing requirements.

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Products Description

Material	High quality CRGO steel with low iron-loss and high permeability
Features	Lower core loss, no leakage magnetic flux, excellent DC bias characteristics, high magnetic permeability range from 250 to 1200.
Applications	50Hz and 400Hz transformers.current transformers.chokes and other magnetic components of electronic equipments.

Manufacturing Process

Smashing → Laser-welding → Slitting →Winding →Chamfering→ Annealing → Varnish → Testing → Packing

Silicon Steel Sheet Toroidal Transformer Iron Core Iron Power Core manufacture

Product Paramenters

Model	Core Size (MM)					Finished Size (MM)					Cross Area (cm²)	Average Path Length(CM)	One-turn Loop Independence AL(μH) 1Khz,0.25V
Model		OD	ID	H	OD	ID	H	Ae	Lm	AL(min)
EK0603	6.0	3.0	3.2	6.5	2.5	3.8	0.037	1.41	13.0
EK0903	9.0	5.0	3.2	9.5	4.5	3.8	0.050	2.20	11.5
EK1003	10.0	7.0	3.2	10.5	6.5	3.8	0.037	2.67	7.0
EK1210	12.0	8.7	10.0	12.6	8.1	10.6	0.129	3.25	20.0
EK1405	14.0	9.0	4.5	14.5	8.5	5.1	0.088	3.61	12.0
EK2108	21.3	13.5	8.0	22.1	12.8	9.0	0.243	5.46	22.0
EK4304	43.0	35.0	4.0	43.6	34.4	4.6	0.125	12.25	5.0

Two series of toroidal core

A series

A round core wound by automatic machines with one continuous tape of CRGO silicon steel and annealed in a tunnel furnace under the protection of inert gases.

Material thickness: 0.30mm, 0.27mm, 0.23mm, 0.10mm, 0.08mm and 0.05mm.

B series

B series core commonly used as a replacement of EI and other toroidal transformers with lower magnetic loss requirement.
Material thickness: 0.30mm, 0.27mm, 0.23mm

Material