Original Part
Alternative Part
1. FMAT7467-8 Substitution Conclusion
The FMAT7467-8 matches the original part LCAT1006-08 in all key parameters (attenuation 8 dB, power rating 2 W, impedance 50 Ω, SMA interface). The only deviation is its upper frequency limit of 12 GHz, which is lower than the original’s 18 GHz. For applications operating within 12 GHz, the FMAT7467-8 can serve as a viable drop‑in replacement. However, if the system involves frequencies between 12 GHz and 18 GHz, using this part would introduce unpredictable additional insertion loss and mismatch, leading to signal distortion and degraded system performance. In such cases, substitution is not recommended.
2. LCAT1002-08 Substitution Conclusion
The LCAT1002-08 shares the same attenuation, power rating, impedance, and interface type as the original LCAT1006-08. Its upper frequency limit, however, is only 3 GHz—significantly lower than the original’s 18 GHz. The LCAT1002-08 is suitable solely for low‑frequency applications below 3 GHz (e.g., conventional wireless communications, certain base‑station bands). For any system operating above 3 GHz (such as microwave links, satellite feeds, or high‑end test & measurement), this part would exhibit substantial additional attenuation and reflection due to its inherent frequency‑response characteristics, rendering it completely non‑functional. Therefore, it is not a feasible substitute.
Analysis ID: E05C-9992000
Based on part parameters and for reference only. Not to be used for procurement or production.
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