Original Part
120 Ohms @ 100 MHz 1 Power Line Ferrite Bead 0603 (1608 Metric) 2A 50mOhm
Alternative Part
100 Ohms @ 100 MHz 1 Power Line Ferrite Bead 0603 (1608 Metric) 3A 30mOhm
1. MH1608-101Y Substitution Conclusion
This part can be substituted, but attention must be paid to the impact of reduced impedance on filtering performance. Compared to the original part, the impedance of the MH1608-101Y drops from 120Ω to 100Ω (both measured at 100MHz), which may slightly degrade its suppression of high-frequency noise. However, other key parameters are superior: the rated current increases from 2A to 3A (making it more suitable for high-current applications), and the DC resistance (DCR) decreases from 50mΩ to 40mΩ (resulting in lower conduction loss). Furthermore, its compatibility with "signal line" filtering broadens its applicability. Note that the package height is slightly greater (1.00mm vs. 0.95mm), so the mounting clearance must be verified. If the circuit does not have stringent noise suppression requirements around 100MHz, and higher current handling or improved efficiency is needed, this part can be considered as an alternative that offers enhanced current capability.
2. UPZ1608E101-3R0TF Substitution Conclusion
This part can be prioritized as a substitute in applications demanding higher current or efficiency, though the effect of impedance reduction should still be evaluated. It is from the same manufacturer as the original part, with an impedance of 100Ω (approximately 16% lower than the original 120Ω), which may slightly weaken filtering at specific frequencies. However, its rated current is increased to 3A (improved from the original 2A), and its DC resistance is significantly reduced to 30mΩ (a 40% decrease from the original 50mΩ), leading to lower power loss and reduced heat generation. The package dimensions are largely compatible with the original (with only a 0.05mm increase in length). If the application emphasizes current margin, efficiency, or thermal performance, and can tolerate a minor impedance adjustment, this part serves as an excellent performance‑upgraded alternative.
Analysis ID: C352-08EB000
Based on part parameters and for reference only. Not to be used for procurement or production.
SkyChip © 2026, Email: sales@skychip.com