The ER5025S-124 from Gowanda Electronics is a RF Inductor with Inductance 1200 uH, DC Resistance 22.1 Ohms, DC Current 0.028 to 0.075 A, Self Resonant Frequency 3 MHz, Operating Temperature -55 to 105 Degree C. Tags: Wire Wound Inductor. More details for ER5025S-124 can be seen below.