The L-15W39NJV4E from Johanson Technology is a RF Inductor with Inductance 0.039 to 0.039 uH, DC Resistance 0.18 Ohms, DC Current 500 mA, Self Resonant Frequency 2100 MHz, Quality Factor 60 @ 500 MHz. Tags: Wire Wound Inductor. More details for L-15W39NJV4E can be seen below.