The FNR4012S1R8NT with Power Inductors 1.8uH +/-30% 1.32A SMD,4x4x1.2mm RoHS is a power inductor manufactured by Changjiang Microelectronics. It is an electronic part that is used for power conversion and filtering in industrial control applications, personal electronics, office automation, and telecommunications. The relay consists of a core made of ultra-high utilization (<5), ferrite material, and a coil made of high-temperature resistant enamelled copper wire. The FNR4012S1R8NT features an inductance tolerance of +/-30%, a low DC resistance, high current ratings up to 1.32A, and a compact SMD package with dimensions of 4 x 4 x1.2mm. It also conforms to the ROHS standards and is suitable for surface mount applications.