Multi -Turn Ferrite BeadsMulti-aperture cores are used in balun (balance-unbalance) transformersApplications as broadband transformers in communication and CATV circuitsAlso employed in auto air bag circuits to guard against accidental activationThe Fair-Rite axial lead wire wound bead. The wire used for winding is oxygen free high conductivity copper with 100% matte tin plating over a nickel undercoating.Operating temperature is -55 °C to 125 °CIt is made from material 61