The ER5025S-472 from Gowanda Electronics is a RF Inductor with Inductance 47 uH, DC Resistance 2.11 Ohms, DC Current 0.135 to 0.245 A, Self Resonant Frequency 23 MHz, Operating Temperature -55 to 105 Degree C. Tags: Wire Wound Inductor. More details for ER5025S-472 can be seen below.