Murata blm series 0805 chip bead inductors 25 murata blm21ag121sn1d a 120r 800ma 0805 size ferrite chip bead inductor designed to be used as an emi suppression filter suppressing differential mode noisethe bead is specifically designed for use on general signal lines murata blm21ag121sn1d 120r 25 800ma 0805 chip bead inductor