Original Part
100 Ohms @ 100 MHz 1 Signal Line Ferrite Bead 0603 (1608 Metric) 600mA 150mOhm
Alternative Part
80 Ohms @ 100 MHz 1 Signal Line Ferrite Bead 0603 (1608 Metric) 600mA 100mOhm
80 Ohms @ 100 MHz 1 Ferrite Bead 0603 (1608 Metric) 600mA 100mOhm
1. GZ1608U800CTF Substitution Conclusion
This component can serve as a conditional substitute. The key differences are that, at the same test frequency of 100MHz, its impedance drops from 100Ω (Original Part) to 80Ω, while its DC resistance decreases from 150mΩ to 100mΩ. The lower impedance may slightly reduce the suppression capability for high-frequency noise around the target frequency (~100MHz), potentially affecting the filtering performance. Conversely, the reduction in DC resistance is beneficial, as it lowers the DC voltage drop and power dissipation on the signal line. In applications where noise suppression near 100MHz is not critical or where minor variations in filtering characteristics are acceptable, this part can be used as a replacement. Furthermore, due to its lower DCR, it may offer better performance in current-path applications.
2. WLBD1608K2U800TP Substitution Conclusion
This part also qualifies as a conditional substitute, with technical considerations highly similar to those for the GZ1608U800CTF. Its core deviations from the Original Part are likewise the impedance (80Ω vs. 100Ω @100MHz) and DC resistance (100mΩ vs. 150mΩ). The reduced impedance will cause a deviation from the originally intended high-frequency attenuation profile, so circuit tolerance to this change must be verified. The lower DC resistance, however, is advantageous for minimizing power loss and voltage drop. Given that mechanical and basic electrical parameters—such as package size and rated current—are identical, the feasibility of substituting with this part depends on the circuit's sensitivity to the ferrite bead's frequency-impedance curve. It can be used as a replacement in general filtering applications where the absolute impedance value is not strictly critical.
Analysis ID: 1EEF-6CEB000
Based on part parameters and for reference only. Not to be used for procurement or production.
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