The 2643003201 is a 43 Shield Bead EMI suppression component manufactured by Fair-Rite Products, designed to suppress electromagnetic interference in electronic circuits. This ferrite bead features typical impedance values of 48 O at 10 MHz, 74 O at 25 MHz, 105 O at 100 MHz, and 121 O at 250 MHz, with a calculated DC bias field of 1.1 Oe for single-turn applications. The bead has outer diameter (A) of 5.6 mm, inner diameter (B) of 2.65 mm, and length (C) of 12.7 mm, with a weight of 0.87 g, and the length dimension can be modified to suit specific application requirements. These beads are ideal for use in signal conditioning, power supply filtering, and high-frequency noise suppression in instrumentation, data acquisition, and communication systems where guaranteed minimum impedance specifications are required.