The Changjiang Microelectronics FRH1205B-100MT is a surface-mount power inductor featuring 10µH ±20% inductance, 4A maximum current, 12.5×12.5×6mm dimensions, and RoHS-compliant construction. Optimized for devices requiring a high current capacity, the inductor utilizes an inductor core and a copper wire winding to filter out noise in electrical signals, reduce AC ripple, increase power supply efficiency, and provide inductive reactance to improve the circuit damping factor. It is suitable for a wide variety of applications, such as DC-DC buck converters, power supplies, switching circuits, etc.