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The WLBD1608HCU121TH is a shielded ferrite chip bead manufactured by Walsin Technology Corporation. It features a 0603 (1608 metric) surface-mount package with dimensions of 1.6 mm length, 0.8 mm width, and 0.8 mm height. The component provides an impedance of 120 Ohms at a test frequency of 100 MHz with a tolerance of +/-25%. It supports a maximum DC current of 2.5 A and has a maximum DC resistance of 70 mOhms. The device operates within a temperature range of -55°C to +125°C.
Verify the specific impedance value against official datasheets, as distributor listings may show conflicting specifications such as 30 Ohms versus 120 Ohms. Confirm the maximum DC current rating and DC resistance values match design requirements. Ensure the 0603 package dimensions align with PCB footprint constraints. Check RoHS compliance status directly from the manufacturer's documentation before finalizing procurement.
Select this component for applications requiring high current handling in a small form factor. The 2.5 A rating suits power lines where space is limited. The shielded design offers superior noise reduction compared to unshielded beads. Verify that the 120 Ohm impedance at 100 MHz meets the target frequency attenuation needs. Consider the flexible terminal type for robustness during assembly.
This part belongs to the WLBD series of ferrite chip beads from Walsin Technology Corporation. The series includes various impedance values and package sizes, such as the WLBD3216HCU500PH in a larger 1206 case. These components are designed for EMI suppression in portable electronics and industrial equipment. Walsin specializes in passive components including capacitors, resistors, and inductors.
Publicly confirmed substitute part numbers are not available in the provided source material. Cross-referencing requires consulting official manufacturer substitution guides or equivalent component databases for verified alternatives.