The LQH66SN100M03L is a Fixed Inductor 10uH 20% manufactured by Murata. It is an electro magnetic component that stores energy in a magnetic field created by the circuit's current. The inductance of the component is 10uH with a tolerance of 20%, indicating it may be slightly more or less than 10uH. It is part of Murata's LQH Series of inductors. The size of the component is 6.6x6.6x4.5mm, making it suitable for compact, PCB-mounted designs.