FMAT7466-7 Replacement: SA18E-07, SA6H-07

Original Part

FMAT7466-7

Fairview Microwave

RF Attenuators 7dB 0 Hz ~ 12 GHz 50 Ohms 2W SMA In-Line Module

Alternative Part

SA18E-07

Fairview Microwave

RF Attenuators 7dB 0 Hz ~ 18 GHz 50 Ohms 2W SMA In-Line Module

SA6H-07

Fairview Microwave

RF Attenuators 7dB 0 Hz ~ 6 GHz 50 Ohms 2W SMA In-Line Module

1. SA18E-07 Substitution Conclusion The SA18E-07 can serve as a complete drop-in replacement for the original FMAT7466-7. Both parts are identical in all key specifications: attenuation value (7dB), power rating (2W), impedance (50Ω), SMA connectors, and a through-module package. The primary difference is that the SA18E-07 offers a frequency range of 0-18 GHz, which fully encompasses and exceeds the original part's 0-12 GHz range. The SA18E-07 meets all performance specifications across the original part's entire operating bandwidth and maintains specified performance up to 18 GHz. This constitutes a performance-upward compatible substitution, though it may typically come at a slightly higher cost.

2. SA6H-07 Substitution Conclusion Substituting the SA6H-07 for the original FMAT7466-7 involves a critical limitation, and its feasibility is entirely dependent on the actual application frequency. The key difference is that the SA6H-07's frequency range (0-6 GHz) is only half that of the original part (0-12 GHz). Within the 6-12 GHz band, the SA6H-07's performance—including attenuation accuracy and VSWR—may degrade significantly or even become non-functional. Substitution should only be considered if the system or circuit's maximum operating frequency is definitively known not to exceed 6 GHz. Otherwise, this substitution is not viable.

Analysis ID: 1B85-3419000

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