The 2643801202 is a round cable EMI suppression core manufactured by Fair-Rite Products, designed to reduce electromagnetic interference in cable applications. This ferrite core features material grade 43 with a burnished finish to remove sharp edges, and is characterized by typical impedance values of 34 O at 10 MHz, 51 O at 25 MHz, 77 O at 100 MHz, and 103 O at 250 MHz. The core has outer diameter A of 29 mm, inner diameter B of 19 mm, and a standard length C of 13.85 mm, with a weight of 25.1 g; the length can be modified to suit specific applications. This suppression core is ideal for cable shielding in high-frequency signal applications, providing guaranteed minimum impedance specifications for effective EMI suppression in telecommunications, data transmission, and industrial equipment.