Ferrite material has low losses at high frequencies

TDK Corporation has developed EPCOS N59 ferrite material for energy efficient semiconductors.
TDK Corporation has developed EPCOS N59 ferrite material, which is characterised by low losses at high frequencies. It was developed specifically for power supplies and frequency converters that operate with fast-switching GaN (Gallium Nitride) power semiconductors.

The new material is optimised for a frequency range from 700kHz to 2MHz. Its maximum transmissible power is reached at a switching frequency of 2MHz and an operating temperature of 100°C. The ferrite material's Curie temperature is in excess of 280°C.

The material is particularly suitable for transformers based on ring core or planar topologies, says the company, with a view to designing more compact power supplies. At the same time, efficiency is improved due to the low losses of the ferrite material, to contribute to energy savings.

Caroline Hayes

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