The Taiyo Yuden 864256-BK0603HM121-T is a ferrite bead filter with an impedance of 120 Ohms @ 100 MHz. It is designed for surface mount applications and has a maximum current rating of 200mA and a maximum DC resistance of 400mOhm. The bead is part of the BK series and has an operating temperature range of -55°C to 125°C. It comes in a package of 0201 (0603 Metric) and is mounted on a reel. The part has a limited supply and demand status with a quantity of 15000 per package. The ferrite bead filter is categorized under filters and has an ECCN of EAR99.