The 1812CAN-513NR_ from Coilcraft is a RF Inductor with Inductance 51 uH, DC Resistance 0.59 Ohms, DC Current 300 mA((rms), Operating Temperature -40 to 125 Degree C, Storage Temperature -40 to 150 Degree C. Tags: Wire Wound Inductor. More details for 1812CAN-513NR_ can be seen below.