C Type Cores

Nanocrystalline C core is upgrade product of amorphous c core, with high saturation flux density, low coercivity, low core loss, very low noise, higher frequency up to 20KHz, suitable for main power transformer, audio transformer, output inductor, boost PFC choke coil. Can replace ferrite cores, permalloy cores, silicon steel cores. Dimensions can be customized.

SUNBOW creative cutting technique and unique ceramic coat-spraying technique prevents short circuit of eddy which is caused by connection of laminated layers in core's cutting surface and seals cores off air and protects from scratch and heat.

Great properties and production techniques combine strength and hardness with flexibility and toughness, enable our cores can help our customers and partners around the globe reduce their operating costs, strengthen energy conservation efforts and increase application efficiency.

SUNBOW iron-based nanocrystalline alloy-SWNA is a series of metals with two-phase structure with fine crystalline grains (mean diameter 10 - 40 nm) resulting from the heat treatment is embedded in an amorphous residual phase. This structural feature is the prerequisite for achieving the highest permeability (200,000), the lowest coercivity (1.5A/m) and excellent frequency response of permeability (200KHz).

The combination of these properties together with a saturation flux density of 1.23T and excellent thermal property(curie temperature-570℃) make SWNA as state-of-art soft magnetic material the universal solution for EMC problems, current transformer, and power transformer, superior in many ways to conventional ferrites, permalloy, silicon steel and amorphous.

For the use of cost-effective main element(iron) and large-scale production based on rapid solidification technology, nanocrystalline cores have already became a competitive solution in various application, further with its outstanding soft magnetic properties.

Output filter reactors in high-frequency high power switching power supplies, middle-high frequency switching power supply transformers, main transformers of uninterruptible power supplies, wind power generation and photovoltaic industry etc.

●Fe-based Nanocrystalline strip

●High saturation magnetic induction --Minimize core size

●Rectangular structure --Easy for coil assembly

●Excellent DC immune magnetic saturation characteristics

●Low loss --Reduce temperature rise (1/5to 1/10 of silicon steel)

●Excellent temperature stability

Sunbow supplies a wide variety of magnetic cores made of amorphous ribbons and nanocrystalline ribbons.

Nanocrystalline Cores:

Cores for Current Transformers

Cores for Leakage Circuit Breakers

Cores for Switched Mode Power Supply

Nanocrystalline C-Cores

Nanocrystalline Circular Cut Cores

Nanocrystalline Common Mode Choke Cores

Precision Current Transformer Cores

Amorphous Cores:

Amorphous stator cores for Electric Motors

Cores for High Power Transformers

Cores for Medium Frequency Transformers

PFC Choke Cores

Rectangular Cut Cores

1. Tell us what you need,please call 021-63306968 Or send email to :sales@sunbowgroup.com

As every application has its own characteristics and requirements.
We provide customized services according to your application

Just tell us your design concept and basic parameters

2. Get solution & quote

We will work on the best solution and provide primarily specification& quote for your review.

3. Sample production and mass production

We will start mass production after customer confirmation and validation of samples.

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