Samsung Electro-Mechanics Bead Filters

Beads are surface-mounting–typ e parts made by using the multilayer process. These are passive components that remove noise by using the characteristics of ferrite. We have a lineup of products that can remove noise in the band ranging from 5 MHz to GHz using the characteristics and magnetic permeability of various materials. These are mainly used for removing electromagnetic noise of mobile devices and digital A/V equipment. General Features Ultra mini size for saving on mounting space Classification of beads based on the rated current of circuits Noise cover ranging from MHz to GHz band Closed Magnetic Circuit Configuration Application For removal of noise of general electronic equipment Prevention of high-frequency EMI, which is applied for computers, printers, VCRs, TVs, and mobile phones. Why Samsung Features of Products (Technology) Covers the noise in a wide-frequency band because the magnetic permeability of diverse materials has been developed and applied. The smaller the products become, the more difficult it is to equip them with high-impedance characteristics in high frequency. By developing technologies that can resolve stress between the body and the coil of the small-size product, high-impedance characteristics in high frequency is made possible. Low RDC is appropriate in creating small-size products. To realize low RDC, high-resolution printing technologies are applied. ※ RDC : Resolver to Digital Converter Sectional View The products are a multilayer type. Electrodes are printed on magnetic sheets, and such sheets are stacked as layers. The top and bottom surfaces are covered with magnetic sheet covers. Classification Materials ① Chip Body Ferrite ② Internal Electrode Ag ③ External Electrode Ag ④ Plating Cu ⑤ Plating Ni ⑥ Plating Sn