Original Part
Alternative Part
1. LCAT1000-10 Substitution Conclusion
From a core electrical performance perspective, the LCAT1000-10 is a fully qualified direct substitute for the SA6-10. Key parameters including attenuation (10 dB), impedance (50 Ω), rated power (2 W), and operating frequency range (DC-6 GHz) are identical. The package is also the same, an SMA straight module. The primary differences are the manufacturer change from Fairview Microwave to L-com and the interface description: the LCAT1000-10 is listed as "SMA MALE," whereas the original part is described as "PLUG-JACK." It is critical to verify that the physical gender (plug/jack) of their SMA interfaces corresponds exactly. If the interface definitions match, the LCAT1000-10 is a valid drop-in replacement. If the genders are mismatched, direct physical connection is impossible, and substitution is not viable.
2. FMAT7620-10 Substitution Conclusion
The FMAT7620-10 is a superior, performance-upgraded alternative. It matches the original SA6-10 in attenuation, impedance, power rating, and package form factor. Being from the same manufacturer, Fairview Microwave, ensures design and quality consistency. The most significant technical enhancement is its extended frequency range from DC-6 GHz to DC-18 GHz. The FMAT7620-10 typically offers superior or at least comparable performance at higher frequencies (e.g., attenuation flatness, VSWR), fully covering the original application band with substantial margin. For systems originally operating within 6 GHz, the FMAT7620-10 is a direct replacement that may provide higher stability. If cost permits, its wider bandwidth also facilitates future system upgrades.
Analysis ID: 9BEB-1215000
Based on part parameters and for reference only. Not to be used for procurement or production.
SkyChip © 2026, Email: sales@skychip.com