The ER5025S-392 from Gowanda Electronics is a RF Inductor with Inductance 39 uH, DC Resistance 1.93 Ohms, DC Current 0.15 to 0.255 A, Self Resonant Frequency 25 MHz, Operating Temperature -55 to 105 Degree C. Tags: Wire Wound Inductor. More details for ER5025S-392 can be seen below.