:The BLM18BB220SN1D is an EMI filter bead, chip, and array manufactured by Murata. It has an 0603 construction and features a 22 Ohm resistance at 200mA. The chip is used to filter out noise and interference due to electromagnetic radiation from nearby devices or from the environment, ensuring better performance and reliability in electrical and electronic equipment. It is suitable for automotive, communication, computing, consumer, industrial, and medical applications.