Original Part
Alternative Part
1. 53AS105-K10N3 Substitution Conclusion
This component can serve as a substitute under specific conditions, but careful evaluation of the system’s frequency requirements is essential. The 53AS105-K10N3 matches the original part (FMAT7624-10) in key parameters such as attenuation value (10 dB), power rating (5 W), and connector type (N‑type). However, its frequency range (0–10 GHz) is notably narrower than the original’s 0–18 GHz. If the application operates above 10 GHz—as in satellite communications or high‑end test instrumentation—substitution would cause the attenuation function to fail or degrade performance. Conversely, for systems working below 10 GHz (such as most commercial wireless communications or conventional microwave links), direct substitution is feasible and may offer cost or supply‑chain advantages.
2. SA6N5WA-10 Substitution Conclusion
This part is suitable only for low‑frequency applications and cannot replace the original in high‑frequency scenarios. The SA6N5WA‑10 also matches the attenuation, power, and interface specifications, but its frequency range (0–6 GHz) is significantly more limited compared to the original’s 18 GHz upper limit. It can only be used in systems operating below 6 GHz, such as cellular base stations or Wi‑Fi equipment. For any applications involving the Ku‑band (12–18 GHz) or higher frequencies, attenuation accuracy and impedance matching cannot be guaranteed, which may lead to severe issues like signal reflection or excessive insertion loss. Therefore, substitution is generally not recommended.
Analysis ID: F31A-9B05000
Based on part parameters and for reference only. Not to be used for procurement or production.
SkyChip © 2026, Email: sales@skychip.com



