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The WLBD2012HCU121TH is a single-channel ferrite chip bead manufactured by Walsin Technology Corporation. It utilizes a 2012 metric (0805) surface mount package with flexible soft terminals. The component provides an impedance of 120 Ohms at a test frequency of 100 MHz, with a tolerance of plus or minus 25 percent. It supports a maximum DC current of 5 Amperes and exhibits a maximum DC resistance of 20 milliohms. The device operates within a temperature range of -55 degrees Celsius to +125 degrees Celsius.
Verify the specific suffix TH against official Walsin documentation to confirm terminal type and packaging configuration. Ensure the selected variant matches the required impedance tolerance and current rating for the target circuit design. Cross-reference RoHS compliance status with the latest manufacturer datasheet before finalizing procurement specifications.
Select this component when a 0805 footprint is required for high-current applications needing moderate impedance. The 5A rating distinguishes it from lower-current variants in the same series. Verify that the 120 Ohm impedance value aligns with the specific noise frequencies present in the application environment.
This part belongs to Walsin's WLBD series of ferrite beads, which are engineered for electromagnetic interference suppression. The series offers various impedance values and current ratings across different package sizes to support diverse passive component requirements in modern electronic assemblies.
WLBD2012HCU121TB is a verified substitute within the same series offering identical electrical characteristics and package dimensions.