The ER5025S-243J from Gowanda Electronics is a RF Inductor with Inductance 240 uH, DC Resistance 5.8 Ohms, DC Current 0.06 to 0.145 A, Self Resonant Frequency 7 MHz, Operating Temperature -55 to 105 Degree C. Tags: Wire Wound Inductor. More details for ER5025S-243J can be seen below.