The L-15FR56JV4E from Johanson Technology is a RF Inductor with Inductance 0.56 to 0.56 uH, DC Resistance 1.10 Ohms, DC Current 450 mA, Self Resonant Frequency 340 MHz, Quality Factor 45 @ 100 MHz. Tags: Wire Wound Inductor. More details for L-15FR56JV4E can be seen below.