1K107 High Power Nanocrystalline Iron Core Toroidal Transformer Core

 

A high-power nanocrystalline iron core toroidal transformer core is a donut-shaped magnetic core made from an iron-based alloy with a unique ultrafine grain structure. This material offers exceptional magnetic properties like high permeability, high saturation induction, and low core loss, making it ideal for high-power, high-frequency applications such as inverters and switching power supplies. The toroidal shape further enhances efficiency by minimizing magnetic flux leakage.

 

 

nanocrystalline toroidal core Key characteristics and advantages

 

Composition: Nanocrystalline iron alloys are special iron-based amorphous alloys that are heat-treated to form a very fine-grained crystalline structure with grain sizes of only 10-20 nanometers.

 

High performance: These cores exhibit an excellent combination of magnetic properties:

• High saturation magnetic flux density: This allows for smaller transformer sizes.
• High permeability and low coercivity: This leads to higher efficiency, reduced exciting power, and lower copper losses.
• Low core loss: This reduces heat generation and improves the transformer's overall performance.

 

Toroidal shape: This design minimizes magnetic flux leakage, making the transformer more efficient and reducing electromagnetic interference (EMI).

 

Excellent stability: Nanocrystalline cores have good thermal stability, capable of operating over a wide temperature range.

 

Applications: Their properties make them highly suitable for demanding applications, including:

• High-power switching power supplies
• Solar and wind energy inverters
• Welding power supplies
• High-frequency heating systems
• Common mode chokes (EMC filters)

 

 

nanocrystalline core Comparison to other materials

 

vs. Ferrite: Nanocrystalline cores offer significantly lower core loss at higher frequencies compared to traditional ferrite cores, leading to higher efficiency and smaller sizes.

 

vs. Silicon Steel: Nanocrystalline materials can replace silicon steel in medium to high-frequency applications due to their superior magnetic properties at these frequencies.

nanocrystalline ring core specification

Magnetic core size(mm)			Protective box size(mm)			Effective cross-sectional area Ae(mm2)		Magnetic path length Ie(mm)		Maximum DC overcurrent class (A)
id	od	ht	ID	OD	HT
14	19	6.5	12	22	8	11.86		51.81		20
14	20	10	12	22.3	11.4	29.68		52.29		40
16	21	10	15	24	12.3	24.85		57.41		60
16	23	8	15	24	9.7	20.44		61.23		60
16	23	10	15	24	12.3	34.62		59.92		60
17	22	10	15.3	24.4	12.3	24.86		60.59		60
17	21	8	15.3	24	9.7	25.56		60.67		60
17	23	8	15.3	24.4	9.7	26.89		61.34		60
18	23	10	16.4	24.4	12.3	29.78		60.38		70
18	24	9	16.4	25	11.2	34.78		60.89		70
18	25	10	16.4	25.9	12.3	37.97		64.56		70
19	24	9	17.3	25	11.2	40.39		65.32		80
19	25	10	17.3	26	12.3	39.42		62.31		80
19	26	10	17.3	27.3	12.3	48.32		69.56		80
20	25	10	18.5	26.3	12.3	39.29		70.32		90
20	28	10	18.5	29	12.3	45.76		73.88		90
20	32	10	18.5	32.3	12.3	58.91		78.75		90
21	29	10	18.2	31.3	12.3	39.65		77.19		100
21	26	8	18.3	27.4	9.7	46.54		78.32		100
21	28	10	18.3	30	12.3	50.39		77.45		100
22	28	10	20.5	30	12.3	49.32		79.89		120
22	32	10	20.5	33.4	12.3	43.58		73.43		120
23	32	10	21.3	33.4	12.3	44.56		74.56		120