The ER5025S-393 from Gowanda Electronics is a RF Inductor with Inductance 390 uH, DC Resistance 7.4 Ohms, DC Current 0.046 to 0.13 A, Self Resonant Frequency 6.2 MHz, Operating Temperature -55 to 105 Degree C. Tags: Wire Wound Inductor. More details for ER5025S-393 can be seen below.