New manually adjustable SMD inductors facilitate tuning of microwave circuits

Now available from Link Microtek is a new range of manually adjustable surface-mount inductors that offer a simple and convenient means of tuning microwave circuits operating at frequencies up to 6GHz. Manufactured by Yantel Corporation, these patented tunable inductors feature an aluminium core with a tuning slot on top for easy adjustment using a non-metallic screwdriver.

High Q values and stability at high temperatures make the devices suitable for a wide variety of commercial, medical and military applications, including impedance matching, phase shifting, and the tuning of antennas, filters or resonant circuits.

They come in three package sizes of 5.0 x 5.0 x 3.0mm, 4.2 x 4.2 x 3.0mm and 3.0 x 3.0 x 3.0mm, with typical current ratings of 3.5, 2.1 and 1.7A respectively. Available inductance values range from 2.5 to 75.0nH.

Utilising tin-over-copper terminations, the inductors are fully RoHS compliant and have an operating temperature range of -40 to 125degC.


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