The BL02 series from Murata are radial leaded EMIFIL ferrite beads inductor to produce a high frequency loss for suppression of noise. These inductor type EMI suppression filters are designed to operate from several MHz to several GHz. They are widely used as general purpose noise suppression components to cope with relatively minor noise issues. EMIFIL Inductor type filters behave as inductors with small inductance at low frequencies, while they produce a resistance dominated impedance at high frequencies. When serially inserted into a noise transmission path, the resistance component absorbs and prevents the transmission of noise.
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