The ER5025S-220 from Gowanda Electronics is a RF Inductor with Inductance 0.22 uH, DC Resistance 0.067 Ohms, DC Current 1.37 A, Self Resonant Frequency 325 MHz, Operating Temperature -55 to 105 Degree C. Tags: Wire Wound Inductor. More details for ER5025S-220 can be seen below.