The 7M2-181 from Coilcraft is a RF Inductor with Inductance 0.169 to 0.191 uH, DC Resistance 0.151 Ohms, Self Resonant Frequency 25 MHz, Operating Temperature -40 to 80 Degree C, Quality Factor 30. Tags: Wire Wound Inductor. More details for 7M2-181 can be seen below.