The 28B1000-000 from Laird falls under the ferrite cable cores category. Key specifications include a type of Round, a design of Solid, a impedance @ frequency of 151Ohm @ 100MHz, a material of 28, a inner dimension of 0.500" Dia (12.70mm) and a outer dimension of 1.000" Dia (25.40mm). This part has a typical lead time of 84 Days from factory and ships with a full manufacturer datasheet available for download. Order 28B1000-000 from Simplytronix for authenticated stock and same-day order processing.