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T core T series MnZn transformer core are commonly used for Pulse and wide-band transformers, various types of filters, inductors and chokes etc. It is a polycrystal, sintered material with high electrical resistivity. The high resistance of ferrite makes eddy current losses extremely low at high frequencies.
Bead core SH type is a small NiZn(Nickel Zinc) cable emi suppression soft ferrite bead core, commonly suit for small cable application, frequency cover 1mhz-1ghz, also used audio coils, axial bead inductor,wireless applications,to reduce noise interference Effectively. Material initial permeability from 40-2000.