Original Part
Alternative Part
1. LCAT1002-06 Substitution Conclusion
The LCAT1002-06 is not a direct drop-in replacement for the original SA18SS-06 part. The primary discrepancy lies in the frequency range: the LCAT1002-06 supports only 0–3 GHz, whereas the original part covers 0–18 GHz. In applications involving frequencies above 3 GHz—such as satellite communications or high-frequency test systems—this substitute cannot guarantee specified attenuation accuracy and impedance matching. This may lead to increased signal reflection, insertion loss, or even system failure. Therefore, the LCAT1002-06 should only be considered as a downgrade replacement for low-frequency applications, such as general wireless devices.
2. LCAT1000-06 Substitution Conclusion
The LCAT1000-06 can serve as a replacement for the original SA18SS-06 under limited conditions. The key difference remains the frequency range: the LCAT1000-06 supports 0–6 GHz, which is lower than the 18 GHz capability of the original part. Within the 0–6 GHz band—covering applications like Wi‑Fi 6E and certain radar bands—this part can deliver attenuation performance that meets specifications. However, if the system operates above 6 GHz, the attenuation may deviate from the nominal value and the voltage standing wave ratio (VSWR) may degrade, adversely affecting high-frequency signal integrity. Consequently, the LCAT1000-06 is recommended only for scenarios where the operating frequency band is explicitly limited to 6 GHz or below.
Analysis ID: 3611-D6B1000
Based on part parameters and for reference only. Not to be used for procurement or production.
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