SDR1006-121KL is a surface-mount power inductor from Bourns' SDR1006 series, featuring a 120 µH inductance with ±10% tolerance. This compact inductor measures 9.8 mm maximum diameter and incorporates a ferrite DR core with enameled copper wire and silver/nickel/tin terminals. It delivers an RMS current rating of 0.89 A and a saturation current of 1.50 A, with a DC resistance of 0.40 O maximum and a self-resonant frequency of 5.0 MHz. The device operates reliably across a temperature range of -40°C to +125°C and is RoHS compliant. It is commonly used in input/output filtering for DC/DC converters and power supplies in portable communication equipment, camcorders, LCD TVs, and automotive applications.