The SMP0603-0039K from Gowanda Electronics is a RF Inductor with Inductance 0.0039 uH, DC Resistance 0.01 Ohms, DC Current 3.4 A, Self Resonant Frequency 6000 MHz, Operating Temperature -40 to 125 Degree C. Tags: Ceramic Inductor, Chip Inductor. More details for SMP0603-0039K can be seen below.