LCAT1000-09 Replacement: FMAT7466-9, SA26B-09

Original Part

LCAT1000-09

L-com

RF Attenuators 9dB 0 Hz ~ 6 GHz 50 Ohms 2W SMA In-Line Module

Alternative Part

FMAT7466-9

Fairview Microwave

RF Attenuators 9dB 0 Hz ~ 12 GHz 50 Ohms 2W SMA In-Line Module

SA26B-09

Fairview Microwave

RF Attenuators 9dB 0 Hz ~ 26 GHz 50 Ohms 2W SMA In-Line Module

1. FMAT7466-9 Substitution Conclusion The FMAT7466-9 can serve as a complete drop-in replacement for the original part LCAT1000-09. The core specifications of the two attenuators—attenuation value (9 dB), impedance (50 Ω), power rating (2 W), and connector interface—are identical. The key difference lies in the frequency range: the FMAT7466-9 supports 0–12 GHz, significantly exceeding the original part's 0–6 GHz range. The substitute part fully covers the original application's frequency band while offering a wider operational bandwidth and greater frequency performance margin. It is suitable for systems with higher frequency requirements or potential future upgrades to higher frequencies, making it a performance-equivalent or superior "upgrade replacement."

2. SA26B-09 Substitution Conclusion The SA26B-09 is electrically compatible and can replace the original LCAT1000-09. Its key parameters (9 dB, 50 Ω, 2 W) match those of the original part, with the difference again being an extended frequency range of 0–26 GHz. This part offers extremely wideband performance, enabling not only seamless replacement in applications below 6 GHz but also support for cutting-edge testing or systems operating in millimeter-wave bands. For scenarios originally limited to ≤6 GHz, its exceptionally high frequency capability may constitute "over-specification," but no electrical compatibility issues are present.

Analysis ID: A2BF-F9E0000

Based on part parameters and for reference only. Not to be used for procurement or production.