The ER5025S-823 from Gowanda Electronics is a RF Inductor with Inductance 820 uH, DC Resistance 13 Ohms, DC Current 0.033 to 0.1 A, Self Resonant Frequency 4.2 MHz, Operating Temperature -55 to 105 Degree C. Tags: Wire Wound Inductor. More details for ER5025S-823 can be seen below.