Original Part
80 Ohms @ 100 MHz 1 Signal Line Ferrite Bead 0603 (1608 Metric) 400mA 150mOhm
Alternative Part
80 Ohms @ 100 MHz 1 Ferrite Bead 0603 (1608 Metric) 600mA 100mOhm
70 Ohms @ 100 MHz 1 Signal Line Ferrite Bead 0603 (1608 Metric) 600mA 100mOhm
1. WLBD1608K2U800TP Substitution Conclusion
The WLBD1608K2U800TP can serve as a direct replacement for the original part GZ1608D800CTF, as its key filtering characteristic (80Ω @ 100MHz) and package size (0603) are identical. Additionally, it offers higher current rating (600mA) and lower DC resistance (100mΩ), enabling it to handle greater current at the same impedance while generating less thermal loss. However, note that it is not explicitly marked as a “Signal Line” type ferrite bead. If the circuit requires precise frequency response characteristics, it is recommended to verify the high-frequency attenuation performance through measurement to ensure matching.
2. BBGK00160808700Y00 Substitution Conclusion
The BBGK00160808700Y00 can be used as a conditional substitute. Its package, current rating (600mA), and DC resistance (100mΩ) are superior to the original part. However, its impedance (70Ω @ 100MHz) is approximately 12.5% lower than that of the original (80Ω), resulting in slightly weaker noise suppression around 100MHz. In applications where tight impedance tolerance at specific frequencies is critical—such as in high-frequency signal integrity sensitive scenarios—the filtering performance should be evaluated for acceptability. If the circuit has sufficient margin or prioritizes current handling and power dissipation optimization, this component can be used as a direct replacement.
Analysis ID: CD93-DD73000
Based on part parameters and for reference only. Not to be used for procurement or production.
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