.The JSHC0420H-3R3M-K is a surface mount power inductor manufactured by Jinlai and RoHS compliant. It has an inductance rating of approximately 3.3uH (+/-20%), and is capable of handling currents as high as 2A. Its dimensions are 4.9x4.5x2.0mm. Power inductors are electronic components mostly used for noise suppression, filtering, and power supply current regulation. They are used in a variety of electronic devices and applications, such as smart phones, power supplies, LED lighting, motors, and other consumer electronics.