The Fair-Rite 6598100121 is a high-quality Toroid Core, meticulously crafted from Material 78. Supreme Components International, an authorised distributor of Fair-Rite products, provides this core for applications requiring specific inductance and impedance characteristics. The core's dimensions are precisely engineered, with an A value of 12.7 mm, a B value of 7.3 mm, and an H value of 4.75 mm. This toroid core is suitable for use in a wide range of electronic circuits, including power supplies, filters, and signal processing circuits. Benefit from the reliability and performance of Fair-Rite components, available through Supreme Components International.