Original Part
Alternative Part
1. FMAT7467-10 Substitution Conclusion
The FMAT7467-10 can directly replace the SA3R-10, as their key electrical parameters (10 dB attenuation, 2 W power handling, 50 Ω impedance) and mechanical interface (SMA in-line module) are identical. The difference lies in the extended frequency range from 3 GHz to 12 GHz. This part may offer improved voltage standing wave ratio (VSWR) and attenuation flatness at higher frequencies, making it suitable for higher-frequency applications. However, it should be noted that if the original system operates only below 3 GHz, the enhanced high-frequency performance provides no practical benefit, while the cost may be slightly higher. Within the DC to 3 GHz range, the two can be considered equivalent substitutes.
2. LCAT1006-10 Substitution Conclusion
The LCAT1006-10 meets the basic substitution requirements in terms of parameters (10 dB, 2 W, 50 Ω, SMA interface), but a key difference is its frequency range extension to 18 GHz. This change implies stricter high-frequency design, theoretically making the device usable in the 12–18 GHz band, but it may also result in a less favorable cost-performance ratio for low-frequency applications. Additionally, the manufacturer has changed from Fairview Microwave to L-com, so it is necessary to verify compatibility with the original system in terms of mechanical interface tolerances, plating finish, and long-term reliability. If the original application does not exceed 3 GHz and is cost-sensitive or emphasizes supply-chain consistency, careful evaluation is advised. If future high-frequency testing is anticipated, this part can be considered a forward-compatible alternative.
Analysis ID: 4361-6B91000
Based on part parameters and for reference only. Not to be used for procurement or production.
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