The WW0603-5R6X from Vanguard Electronics is a Space Qualified Inductor with Inductance 5.6 µH, DCR 100 milli-ohm, Saturation Current 840 mA, SRF 5800 MHz, Temperature Operating Range -55 to 125 Degree C. Tags: Surface Mount. More details for WW0603-5R6X can be seen below.