The AIAP-03-121K is an axial power inductor designed for use in power supplies, switching circuits, and RF filtering applications. It features an inductance of 120 µH with ±10% tolerance, a maximum DC resistance of 0.113 O, and a rated current of 2.54 A. The component is housed in a compact axial package measuring 22.9 × 11.4 mm and is covered with UL VW-1 heat shrink tubing for protection. Operating across a temperature range of -40°C to +125°C, this inductor is RoHS/RoHS II compliant and suitable for commercial and industrial applications requiring reliable energy storage and filtering in power conversion circuits.