Distributed Gap Ferrite Cores

TDK Corporation presents the EPCOS distributed gap ferrite cores are designed to permit higher operating frequencies and smaller inductive components to be used in power supply systems. These ferrites enable additional copper losses to be reduced by up to 70 percent. By reducing electromagnetic emissions, the additional copper losses at high frequencies are also reduced. Thanks to the identical distributed gaps in the center posts, the magnetic field emission to the environment is effectively prevented.

Ferrite cores are available with distributed air gaps in E, EQ, ER, ETD, PM, and PQ core designs, and with all EPCOS power materials. Solutions with three identical air gaps offer the best price/performance ratio for applications in which two or three times the switching frequency is used in comparison with the original frequency. Apart from standard solutions, a customer-specific number of air gaps can also be implemented.