The 7M3-223 from Coilcraft is a RF Inductor with Inductance 17 to 28 uH, DC Resistance 2.75 Ohms, Self Resonant Frequency 2.5 MHz, Operating Temperature -40 to 80 Degree C, Quality Factor 35. Tags: Wire Wound Inductor. More details for 7M3-223 can be seen below.