The 2643001301 is a 43 Shield Bead ferrite EMI suppression component manufactured by Fair-Rite Products, designed to suppress electromagnetic interference in electronic circuits. This bead features typical impedance values of 22 O at 10 MHz, 33 O at 25 MHz, 48 O at 100 MHz, and 53 O at 250 MHz, with a DC bias field of 1.6 Oe per ampere-turn. The component has outer diameter (A) of 3.55 mm, inner diameter (B) of 1.65 mm, and length (C) of 5.95 mm, with a weight of 0.18 g, and the length dimension can be modified to suit specific applications. This bead is ideal for use in signal conditioning, noise suppression, and EMI filtering in telecommunications, computing, and consumer electronics where controlled impedance characteristics are required.