The ER5025S-470 from Gowanda Electronics is a RF Inductor with Inductance 0.47 uH, DC Resistance 0.25 Ohms, DC Current 0.71 A, Self Resonant Frequency 235 MHz, Operating Temperature -55 to 105 Degree C. Tags: Wire Wound Inductor. More details for ER5025S-470 can be seen below.