M3 Carlite Tape Wound Core

Oct 16, 2025

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M3 Carlite Tape Wound Core

Tape wound toroidal cores made from soft magnetic materials such as silicon steel, nanocrystalline, and amorphous alloys. These cores made by winding thin strips of grain oriented silicon steel tape or alloy tape around a core fore. The tape is tightly wound to create a toroidal shape, providing a closed magnetic circuit. The alloy consists of the tiny crystalline grains and disordered atomic structure, resulting in high magnetic permeability and low core loss.

◪High Efficiency: All three soft magnetic materials offer low core losses, enabling efficient energy transfer and reduced power losses.

◪Compact and Lightweight: The toroidal shape of the core provides a compact design, suitable for space-constrained applications. The use of thin tape also results in lightweight cores.

◪High Magnetic Flux Density: Silicon steel, nanocrystalline, and amorphous cores can handle high magnetic flux densities, allowing for high power density designs.

◪Low Electromagnetic Interference (EMI): The toroidal shape reduces electromagnetic radiation and minimizes EMI.

Tape wound toroidal cores made from these soft magnetic materials are commonly used in power transformers, audio transformers, and instrument transformers. Their high efficiency and low losses make them ideal for power distribution and voltage regulation.

These cores find applications in inductors for filtering, energy storage, and power factor correction. The compact design and high magnetic flux density make them suitable for high-frequency applications.

Tape wound toroidal cores are used in current transformers for measuring and monitoring electrical currents. The high accuracy and frequency response of these cores make them suitable for power quality monitoring and energy management systems.

M3 Carlite Tape Wound Core

						Effective cross-sectional area Ae(mm2)		(A)
						Effective cross-sectional area Ae(mm2)		(A)
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

Gnee provides premium iron cores to the world. Our cores can be selected in a wide range of materials, shapes, applications, manufacturing techniques, etc., to meet customers' diverse demands. Explore our wide product range now~

1. Raw Material Sourcing

2. Slitting

3. Punching

4. Laminating

5. Core Forming

6. testing

Founded in 2008 and located in Anyang in China, Gnee Electric is a high-tech enterprise specializing in researching and manufacturing iron core products.
The company currently occupies over 20,000 square meters and employs more than 200 people, including over 80 professionals. After more than 18 years of development, we have built our own magnetic material production base and independently develope, produce, and sell various kinds of iron cores. The common types include silicon steel cores, motor cores, transformer cores, toroidal iron cores, special-shaped cores, custom cores, and others. Our cores are widely applied in different sectors including transformers, motors, mutual inductors, voltage stabilizers, welding machines, magnetic amplifiers, and instrumentation, providing diverse core solutions to global customers.

GNEE EC

30+

18k+

GNEE EC was founded in 2008, which is a National High-tech Enterprise & Famous Brand Enterprise in China, developing into a professional manufacturer and supplier of high-quality iron cores.

18+

Over 18 years of success in the iron core industry;
National High-tech Enterprise & Famous Brand Enterprises in China;

200+

Over 200 employees;
The R&D team has more than 80 experienced engineers and the production team has more than 100 skilled staffs;

35+

Annual turnover up to 35 million dollor per year;

1,000+

Over 1000 customers in domestic and overseas markets;
core Products are exported to more than 70 countries in the world;

"The Core of the Iron Core, the Power of Leadership" - See Our Great Decision-Makers Deeply Engaged in the Magnetic Materials Industry.

Strive To Create world-class Iron core brand

With 18 Years of industry experience, we focus on the research, development, and manufacturing of high-quality iron cores for electricity, industrial control, new energy, and automotive markets