The L-15F4R7JV4E from Johanson Technology is a RF Inductor with Inductance 4.7 to 4.7 uH, DC Resistance 2.80 Ohms, DC Current 180 mA, Self Resonant Frequency 50 MHz, Quality Factor 15 @ 8 MHz. Tags: Wire Wound Inductor. More details for L-15F4R7JV4E can be seen below.