Amorphous Cut Core: Enhancing Energy Efficiency in Electronics
Oct 16, 2025
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Amorphous Cut Core
Amorphous cut cores are magnetic components made from unique non-crystalline metallic glass material. These cores offer a combination of high magnetic permeability, high saturation flux density and low magnetization losses. Amorphous cut cores provide better electrical conductivity than cores made from conventional materials. Here at GNEE, we manufacture and supply a wide range of amorphous cut cores for various applications.

Properties of Amorphous Cut Core
There are many properties of amorphous cut cores that distinguish this type of cores from the rest. Let's walk you through some of the properties.
1. Amorphous structure: Just like amorphous toroidal cores, cut cores are made from metallic glass materials without a crystalline structure. In other words, they feature an irregular atomic structure. Amorphous cut cores' unique structure allows them to reduce energy losses and improve the efficiency of electronic devices.
2. High magnetic permeability: This means they can easily concentrate and direct magnetic flux. This is one of the properties that make amorphous cut cores ideal for use in transformers and inductors.
3. Versatile shapes: These cores come in a variety of shapes including flat, rectangular, or E-shaped. This versatility makes these cores adaptable to different electronic devices and circuits.
4. Wide frequency range: Amorphous cut cores can operate effectively across a wide range of frequencies, from low-frequency power applications to high-frequency telecommunications.
These properties make amorphous cut cores suitable for a wide range of applications, including transformers, inductors, chokes, power electronics, telecommunications, consumer electronics, medical devices, and renewable energy systems.
Amorphous Cut Core Applications
Here are the common applications of amorphous cut cores:
● Transformers: Amorphous cut cores are frequently used in transformers to convert electrical energy from one voltage level to another while minimizing energy losses.
● Telecommunications: Amorphous cut cores are used in telecommunication devices such as antennas and signal transformers to control and direct signals.
● Power electronics: Amorphous cut cores are used in devices like inverters and converters to aid in controlling the flow of electricity and managing energy. These cores promote higher energy efficiency in power electronics thanks to their low core losses.
● Chokes: These cores find applications in common mode chokes thanks to their high magnetic permeability and low core losses. They come in handy in reducing electromagnetic interference.
● Inductors: Amorphous cut cores are a key component in power supplies and signal filtering devices as they help to reduce energy losses.
Amorphous Cut Core vs. Amorphous Toroidal Core
These two types of cores differ in three aspects:
1. Structure: Amorphous cut cores feature a thin, flat, and elongated structure while their toroidal counterparts have a ring-like or donut shape.
2. Core losses: Toroidal cores tend to have low core losses, which is why they are preferred in high frequency applications. In contrast, amorphous cut cores have higher losses compared to toroidal cores.
3. Space efficiency: Amorphous cut cores may require more space due to their flat design. On the other hand, toroidal cores feature a compact design, which is why they are commonly used in applications with space constraints.
High-Quality Custom Amorphous Cut Cores
If you have a unique electronic project that requires a specific type of amorphous cut core, an off-the-shelf solution won't cut it. This is where custom cut cores come into play. These cores are designed to meet your exact needs in terms of core characteristics, size, shape, and magnetic properties. Furthermore, they undergo advanced production techniques to ensure uniformity and accuracy. All you need to do is specify your requirements and the manufacturer will deliver exactly what you need. Customized amorphous cores offer a cost-effective solution by minimizing waste and ensuring that you pay only for the materials and features you truly need.
Amorphous C Core specification
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| Core Build | Window Width | Core Height | Core Width | Core Length | |||||
| a(mm) | ± | b(mm) | c(mm) | d(mm) | ± | e(mm) | ± | f(mm) | ± |
| 9 | 0.5 | 10 | 32.8 | 15 | 0.5 | 28 | 1 | 50.8 | 1.25 |
| 10 | 0.5 | 11 | 33 | 20 | 0.5 | 31 | 1 | 53 | 2 |
| 11 | 0.5 | 13 | 30 | 20 | 0.5 | 35 | 1 | 52 | 2 |
| 11 | 0.5 | 13 | 40 | 20 | 0.5 | 35 | 1 | 62 | 2 |
| 11 | 0.5 | 13 | 40 | 25 | 0.5 | 35 | 1 | 62 | 2 |
| 11 | 0.8 | 13 | 50 | 25 | 0.5 | 35 | 1 | 72 | 2 |
| 11 | 0.8 | 13 | 50 | 30 | 0.5 | 35 | 1 | 72 | 2 |
| 13 | 0.8 | 15 | 56 | 25 | 0.5 | 41 | 1 | 82 | 2 |
| 13 | 0.8 | 15 | 56 | 30 | 0.5 | 41 | 1 | 82 | 2 |
| 13 | 0.8 | 15 | 56 | 35 | 0.5 | 41 | 1 | 82 | 2 |
| 16 | 0.8 | 20 | 70 | 25 | 0.5 | 52 | 1 | 102 | 3 |
| 16 | 1 | 20 | 70 | 30 | 0.5 | 52 | 1 | 102 | 3 |
| 16 | 1 | 20 | 70 | 40 | 0.5 | 52 | 1 | 102 | 3 |
| 16 | 1 | 20 | 70 | 45 | 1 | 52 | 1 | 102 | 3 |
| 19 | 1 | 25 | 83 | 35 | 1 | 63 | 1 | 121 | 3 |
| 19 | 1 | 25 | 83 | 40 | 1 | 63 | 1 | 121 | 3 |
| 19 | 1 | 25 | 83 | 50 | 1 | 63 | 1 | 121 | 3 |
| 19 | 1 | 25 | 90 | 60 | 1 | 63 | 1 | 128 | 3 |
| 22 | 1 | 35 | 85 | 50 | 1 | 79 | 1 | 129 | 4 |
| 22 | 1 | 35 | 85 | 65 | 1 | 79 | 1 | 129 | 4 |
| 25 | 1 | 40 | 85 | 55 | 1 | 90 | 1 | 135 | 4 |
| 25 | 1 | 40 | 85 | 70 | 1 | 90 | 1 | 135 | 4 |
| 25 | 1 | 40 | 85 | 85 | 1.5 | 90 | 1 | 135 | 4 |
| 30 | 1 | 40 | 85 | 85 | 1.5 | 100 | 1 | 155 | 4 |
| 33 | 1 | 40 | 105 | 85 | 1.5 | 106 | 1 | 171 | 5 |
| Note: Additional sizes can be customized to meet specific customer requirements. | |||||||||
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GNEE EC
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.

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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.
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Over 18 years of success in the iron core industry;
National High-tech Enterprise & Famous Brand Enterprises in China;
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Over 200 employees;
The R&D team has more than 80 experienced engineers and the production team has more than 100 skilled staffs;
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Annual turnover up to 35 million dollor per year;
Owns many sets of highly automatic winding, annealing, and assembling machines;
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Over 1000 customers in domestic and overseas markets;
core Products are exported to more than 70 countries in the world;
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