The FHD4020S-R33MT Power Inductors SMD,4x4x2mm RoHS manufactured by Changjiang Microelectronics is a type of surface mount device (SMD) inductor. It is made of ferrite material and has a 4x4x2mm RoHS package. This component is rated for a rated current of 1.7 A, an inductance of 33 uH, a DC resistance of 0.025 Ohm, and a saturation current of 6.1 A. Its performance temperature range is -40°C to +125°C. Additionally, it is RoHS compliant, halogen-free, and radiation-resistant. This component is suitable for power supply, battery management, general switching power circuit applications.