The CWW0603 Series from Vanguard Electronics is a RF Inductor with Inductance 0.0018 to 0.33 uH, DC Resistance 0.070 to 2.20 Ohms, DC Current 179 to 1000 mA, Self Resonant Frequency 300 to 6000 MHz, Operating Temperature -40 to 125 Degree C. Tags: Chip Inductor, Ceramic Inductor, Wire Wound Inductor. More details for CWW0603 Series can be seen below.