The 3078990851 is a solid ferrite rod core manufactured by Fair-Rite Products, designed for use in electromagnetic and RF applications. The rod features a diameter of 2.00 mm (±0.025 mm tolerance) and a length of 15.00 mm (±0.45 mm tolerance), providing precise dimensional specifications for integration into coils, antennas, and filtering circuits. This ferrite rod core is commonly used in AM/FM radio receivers, inductors, and broadband transformers where controlled magnetic properties and compact form factors are required. The tight dimensional tolerances ensure consistent performance and reliable assembly in high-volume production environments.