The ER5025S-120 from Gowanda Electronics is a RF Inductor with Inductance 0.12 uH, DC Resistance 0.034 Ohms, DC Current 1.925 A, Self Resonant Frequency 425 MHz, Operating Temperature -55 to 105 Degree C. Tags: Wire Wound Inductor. More details for ER5025S-120 can be seen below.