The L-15W18NJV4E from Johanson Technology is a RF Inductor with Inductance 0.018 to 0.018 uH, DC Resistance 0.08 Ohms, DC Current 600 mA, Self Resonant Frequency 3400 MHz, Quality Factor 60 @ 500 MHz. Tags: Wire Wound Inductor. More details for L-15W18NJV4E can be seen below.