Original Part
100 Ohms @ 100 MHz 1 Ferrite Bead 0603 (1608 Metric) 400mA 200mOhm
Alternative Part
80 Ohms @ 100 MHz 1 Signal Line Ferrite Bead 0603 (1608 Metric) 600mA 100mOhm
100 Ohms @ 100 MHz 1 Power Line Ferrite Bead 0603 (1608 Metric) 400mA 200mOhm
1. BBGK00160808800Y00 Substitution Conclusion
From a technical parameter perspective, the BBGK00160808800Y00 matches the original part FB03YTYN101 exactly in package size (0603) and height (0.95mm). However, differences exist in its lower impedance (80 Ω at 100 MHz vs. the original 100 Ω), higher current rating (600 mA vs. 400 mA), and lower DC resistance (100 mΩ vs. 200 mΩ). The reduced impedance at the same 100 MHz frequency will provide weaker filtering performance, potentially leading to insufficient EMI suppression, making it unsuitable for impedance‑sensitive applications. While the increased current capability and lower DCR are beneficial—allowing higher current loads and reducing power loss—the core filtering characteristic mismatch may affect circuit performance. Therefore, substitution feasibility is low unless the application can tolerate the impedance deviation or prioritizes current handling and efficiency.
2. FCB‑0603‑101A Substitution Conclusion
The FCB‑0603‑101A closely matches the original FB03YTYN101 in key electrical parameters: impedance (100 Ω at 100 MHz), current rating (400 mA), and DC resistance (200 mΩ). The package dimensions are also identical (1.60 mm × 0.80 mm). The differences are a slightly greater height (1.00 mm vs. the original 0.95 mm) and a filter type specified for power‑line applications. The increased height may affect mechanical compatibility in height‑constrained compact layouts, so physical clearance must be verified. The power‑line filter type indicates optimization for supply rail filtering, whereas the original part is unspecified (likely general‑purpose). If the application is for signal‑line filtering, a mismatch could be introduced, though the identical electrical performance generally makes it acceptable. Substitution feasibility is relatively high, but the height and filter‑type suitability should be evaluated.
Analysis ID: 0C17-C1B4000
Based on part parameters and for reference only. Not to be used for procurement or production.
SkyChip © 2026, Email: sales@skychip.com