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The MFBW1V2012-090-R is a multilayer chip ferrite bead manufactured by Eaton Electronics. It features an impedance of 9 Ohms at a test frequency of 100 MHz and supports a maximum DC current of 3.0 A. The component has a maximum DC resistance of 30 mOhms and operates within a temperature range of -40°C to +85°C. It utilizes an 0805 (2012 metric) surface-mount package with dimensions of 2.0 mm length, 1.25 mm width, and 1.0 mm height.
Verify the specific impedance tolerance and DC resistance values against the official Eaton datasheet prior to integration. Confirm that the 0805 footprint matches the target PCB design constraints. Ensure the selected variant meets the required thermal management standards for the intended operating environment.
Select this component when a low-profile surface-mount ferrite bead is required for noise suppression on lines carrying up to 3.0 A. The 9 Ohm impedance at 100 MHz makes it suitable for general-purpose EMI reduction. Consider the 30 mOhms DCR impact on voltage drop for sensitive power rails.
This part belongs to the MFBW1V series of multilayer chip ferrite beads from Eaton Electronics. The series offers various impedance values and current ratings in standard SMD packages. The MFBW1V2012-090-R specifically addresses applications requiring moderate current handling with standardized 0805 footprints.
Direct substitutes include other 9 Ohm, 3.0 A ferrite beads in 0805 packages such as those from Murata or TDK. Verify impedance curves and saturation currents match the original design requirements before substitution.
The impedance of 9 Ohms is measured at a test frequency of 100 MHz.
Yes, the MFBW1V2012-090-R is rated for a maximum DC current of 3.0 A.