Original Part
80 Ohms @ 100 MHz 1 Signal Line Ferrite Bead 0603 (1608 Metric) 600mA 100mOhm
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
This part is a viable and highly compatible direct substitute. In terms of core electrical parameters and mechanical dimensions, the WLBD1608K2U800TP is identical to the original part number: its nominal impedance at 100MHz (80Ω), rated current (600mA), DC resistance (≤100mΩ), and 0603 package dimensions are all the same. The only documented discrepancy lies in the manufacturer and the "Filter Type" parameter designation. The original part is explicitly marked as "Signal Line," while the Walsin part lacks this notation. This labeling difference typically does not indicate a performance distinction, as its single-line, high-impedance characteristics inherently define its application for signal line filtering. For the vast majority of applications requiring precise filtering frequency and impedance, this part can be used as a direct replacement. However, it is recommended to verify that its impedance curve at the actual circuit frequency fully overlaps with the original part's before proceeding with volume usage.
2. BBGK00160808700Y00 Substitution Conclusion
This part serves as a substitute with similar parameters, but its use requires careful evaluation based on specific filtering requirements. The key difference from the original part lies in its impedance value: at 100MHz, its impedance is 70Ω, which is 12.5% lower than the original part's 80Ω. At the same target frequency of 100MHz, this ferrite bead will provide slightly less attenuation (insertion loss) compared to the original, resulting in marginally weaker noise suppression capability. Other critical parameters, such as package size, rated current, and DC resistance, are identical to the original part. This substitute may be acceptable if the original design has sufficient margin for suppressing noise around 100MHz, or if the circuit has some tolerance for the filter impedance value. However, for high-frequency noise-sensitive applications or precisely tuned filter circuits, this discrepancy could lead to performance falling outside specifications, making direct substitution inadvisable.
Analysis ID: 377C-5E8C000
Based on part parameters and for reference only. Not to be used for procurement or production.
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