Duesseldorf, Germany TDK Electronics has introduced a low loss ferrite material PC47 , targeting the market for switching power supplies, adapters for notebook PCs and CCFL LCD backlights. The PC47 is ideal for the transformer applications due to its low core loss at wide frequency range of 100 kHz to 300 kHz. The material is developed based on TDKs long standing material expertise with ferrite and features low core loss of 250 kW/m cube at 100 kHz, 200 mT at 100 °C. The PC47 has a higher saturation flux density, 420 mT at 100 °C, than its nearest competitors the PC44/PC40, 390 mT, making its use in applications like CCFL LCD backlights particularly efficient. Optimum usage of the improved core loss and flux density can increase power throughput from 10 % to 20 % versus conventional PC44/PC40 materials. This new ferrite material contributes to TDKs efforts in supporting environmental conservation by promoting low loss across a wide range of temperatures. The PC47 is available in the most popular shapes used for power applications, such as E/EI/ETD cores and planar cores. PC47 ferrite is fully RoHS compliant. TDK Electronics Europe GmbH , Duesseldorf, Germany. www.tdk-components.de.
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