The ER5025S-202J from Gowanda Electronics is a RF Inductor with Inductance 20 uH, DC Resistance 0.96 Ohms, DC Current 0.21 to 0.36 A, Self Resonant Frequency 35 MHz, Operating Temperature -55 to 105 Degree C. Tags: Wire Wound Inductor. More details for ER5025S-202J can be seen below.