The L-15WR39JV4E from Johanson Technology is a RF Inductor with Inductance 0.39 to 0.39 uH, DC Resistance 2.20 Ohms, DC Current 210 mA, Self Resonant Frequency 780 MHz, Quality Factor 45 @ 250 MHz. Tags: Wire Wound Inductor. More details for L-15WR39JV4E can be seen below.