The SQH4010S-2R2M-LF is a Power Inductors 2.2uH ±20% 890mA SMD with a 4.2x4.2x1mm RoHS package manufactured by Coilmaster Co., Ltd. It is a self-shielded, surface-mount, high-frequency inductor, designed to supply power to a wide variety of circuits, including radio-frequency, low-noise, common and low-impedance applications. The inductance tolerance is ±20%, with a rated saturation current of 890mA. Its construction consists of an outer shielding case and two internal coils, with copper leading-tracks and ferrite cores, to guarantee a low level of stray fields. This Coilmaster product is compliant with RoHS regulations and halogen-free, making it suitable for use in green-energy electronics.