The Bourns PM105 series SMD power inductors are designed for a wide range of applications including DC/DC converters, power supplies for portable communication equipment, LCD TVs, and camcorders. These inductors offer a compact design with a maximum diameter of 9.8mm and are available in various inductance values. They are RoHS compliant and provide reliable performance in demanding applications. The PM105-121K-RC specifically offers an inductance of 120µH with a ±10% tolerance and a self-resonant frequency (SRF) of 5.0 MHz.