The 7M3-221 from Coilcraft is a RF Inductor with Inductance 0.187 to 0.253 uH, DC Resistance 0.151 Ohms, Self Resonant Frequency 25 MHz, Operating Temperature -40 to 80 Degree C, Quality Factor 45. Tags: Wire Wound Inductor. More details for 7M3-221 can be seen below.