KJF-0.83/440 is a type of surface-mount, low-profile, high-performance, passive, shielded RF inductor. It is constructed using an array of monolithic ceramic cores, which are available in a variety of sizes and impedances. The inductor is suitable for high frequency applications and can be used for filtering, decoupling, and bypassing applications in wireless products. It is designed to have low losses and wide frequency response and comes with an appropriate shield for operation in a noisy environment. The part comes in a variety of sizes, ranging from the 0.83mm to the 4.4mm.