1. GZ1608D101TF Substitution Conclusion Based on key electrical parameters, package dimensions, and functional positioning, the GZ1608D101TF can serve as a direct replacement for the original part number ACML-0603-101-T. Their core characteristics are fully matched: both have an impedance of 100Ω @ 100MHz, a DC resistance (DCR) of 200mΩ, a 0603 package (1.60mm × 0.80mm), and both are single-line chip beads. The differences lie in the GZ1608D101TF's rated current of 300mA, which is higher than the original part's 200mA. This provides greater current margin and enhanced reliability in equivalent applications. Furthermore, the GZ1608D101TF is explicitly labeled for "signal line" use, suggesting its filtering characteristics may be optimized for signal integrity, whereas the original part number does not specify a type. If the actual operating current is ≤200mA and the frequency-impedance curves are aligned, the substitution will not only meet the original design requirements but may also improve system robustness.