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An Overview of Nanocrystalline Transformer Core Technology

An Overview of Nanocrystalline Transformer Core Technology


When it comes to common mode choice applications, Nanocrystalline cores are the ultimate option. Being highly permeable, stable, and energy-efficient, the Nanocrystalline Transformer core can function at higher temperatures and frequencies while cutting down on unnecessary heat emissions which can cause losses in the net output.

The technology is revolutionizing a wide range of core applications such as inverters, power supplies, frequency converters, and many more.

The presence of a Nanocrystalline Transformer core enables a common mode choke to be lightweight with low volume while at the same time handling higher levels of current.

Made of Nanocrystals with a structure of fewer than 10 nanometers, a Nanocrystalline Transformer core is sturdier and offers more stability than a standard ferrite core.

Transmart Nanocrystalline cores come in rectangular, circular, ovoid, and many hybrid shapes with the Nanocrystalline toroidal core being one such example.

This customizability follows the wide array of materials and alloys to pick from for coating and casing purposes making it convenient for a business to personalize a core based on their requirements. The lightweight build of the core enables it to function at a high potential without compromising the output.

Comparison with Ferrite Cores

A Nanocrystalline Transformer core when compared to a traditional ferrite core can work well at higher temperatures and frequencies while being less prone to loss of performance at such conditions. This means more output for a business over lower rates. A combination of NiFe alloys and cobalt amorphous alloys can achieve permeability goals but not at the saturation levels that the Nanocrystalline cores can provide.


As far as the casing is concerned, metal coatings of stainless steel and aluminum are the available options at Transmart alongside epoxy-coated PBT, DMC, and PA66 plastic cases.


The Nanocrystalline toroidal core, the Nanocrystalline Split core, and rectangular and stadium Transformer cores are all the many different options available for convenience per customer needs.


The Split cores are especially useful in terms of meeting the supply and demand chain of Split Transformers that can be easily assembled. There are three salient features where a Nanocrystalline Transformer core can produce significantly higher values than a NiFe alloy core;

● Impedance

● Saturation Induction

● Permeability


A silicon steel core is the exception where the saturation is lower, but the girth of the band makes up for it by conserving more energy.

Transmart Nanocrystalline Transformer core

1. Higher Impedance over Higher Frequencies

A Nanocrystalline Transformer core by Transmart has an extremely high impedance over a wider band of effective frequencies saving a lot of engineering resources that would otherwise go into experimenting with various countermeasure mechanisms for losses due to high frequencies.


The higher impedance not only allows the machine to function perfectly at higher frequencies but also allows the Nanocrystalline Transformer core to adapt to high temperatures.


The Nanocrystalline Transformer core is therefore adapted to work in extreme conditions without bearing any damage which also makes it extremely durable. Impedance over effective frequencies makes the build of the core stable when compared to cores made of cobalt and amorphous alloys.

2. High Saturation Magnetic Induction

The Saturation magnetic induction in the Transmart Nanocrystalline toroudal core is a key feature that increases the function of the system by ensuring that the core isn't magnetized to saturation levels.


High saturation magnetic induction in the Nanocrystalline Transformer core, therefore, shows better anti-saturation properties than ferrite and ensures that the core would not lose power at higher inductions. This makes the cores more resilient against current imbalances and temperature spikes. It also gives the Nanocrystalline Transformer core a lower net loss of Alternating Current (AC), leading to a higher net performance in terms of output production.

3. High Permeability for Lower Losses

A Nanocrystalline Transformer core has a high permeability after cutting, at approximately greater than or equal to 60,000, which when paired with high saturation, lowers the power losses in the machine.


The Nanocrystalline transformer core is therefore used in split current sensors, power transformers, power supplies, frequency converters, and much more.


The initial permeability of a Nanocrystalline Transformer core when compared to a silicon core is a lot higher with no load loss and a higher precision at a much smaller volume and weight.


The high permeability of the Nanocrystalline technology also gives it great linearity in terms of cost-effectiveness and ends up saving businesses using these cores a lot of effort-inducing and financial resources that would otherwise be wasted in attempting to search for possible solutions.



The Nanocrystalline Transformer core available at Transmart is an extremely useful tool for businesses of all types and sizes that are looking to save resources while improving the overall performance of their machines.


The cores come with features such as high impedance, higher saturation magnetic induction, and high permeability which make them adaptable to extreme conditions. The cores are also cost-effective and efficient, helping businesses to save on resources while still getting the desired results.  


With these features and more, Transmart’s Nanocrystalline transformer core is the ideal choice for your business!


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