The L-15F3R9JV4E from Johanson Technology is a RF Inductor with Inductance 3.9 to 3.9 uH, DC Resistance 2.50 Ohms, DC Current 200 mA, Self Resonant Frequency 60 MHz, Quality Factor 15 @ 8 MHz. Tags: Wire Wound Inductor. More details for L-15F3R9JV4E can be seen below.