The L-15W12NJV4E from Johanson Technology is a RF Inductor with Inductance 0.012 to 0.012 uH, DC Resistance 0.08 Ohms, DC Current 600 mA, Self Resonant Frequency 4100 MHz, Quality Factor 60 @ 500 MHz. Tags: Wire Wound Inductor. More details for L-15W12NJV4E can be seen below.