FMAT7467-10 Replacement: SA18SS-10, SA3R-10

Original Part

FMAT7467-10

Fairview Microwave

RF Attenuators 10dB 0 Hz ~ 12 GHz 50 Ohms 2W SMA In-Line Module

Alternative Part

SA18SS-10

Fairview Microwave

RF Attenuators 10dB 0 Hz ~ 18 GHz 50 Ohms 2W SMA In-Line Module

SA3R-10

Fairview Microwave

RF Attenuators 10dB 0 Hz ~ 3 GHz 50 Ohms 2W SMA In-Line Module

1. SA18SS-10 Substitution Conclusion A fully viable and performance-enhanced replacement. The SA18SS-10 is identical to the original part (FMAT7467-10) in all core parameters (attenuation value of 10 dB, power rating of 2W, impedance of 50Ω, and connector interface). The key difference lies in its extended frequency range of 0-18 GHz, which surpasses the original's 0-12 GHz specification. This part not only covers the entire operational bandwidth of the original part but also offers a higher frequency ceiling and potentially superior high-frequency performance. It is a forward-compatible substitute suitable for systems operating at higher frequency bands or for applications requiring upgraded bandwidth.

2. SA3R-10 Substitution Conclusion A conditional substitute suitable only for low-frequency applications; overall not recommended. The SA3R-10 matches the original part in parameters such as attenuation value, power rating, and impedance. However, its critical limitation is a significantly reduced frequency range of 0-3 GHz, which is far below the original's 0-12 GHz. This part will not function properly at frequencies above 3 GHz. Directly replacing the original part in a 12 GHz system design would result in the failure of high-frequency signals or severe degradation of system performance. Substitution is feasible only if the actual application frequency is confirmed to be entirely within the 3 GHz range; otherwise, it is not viable.

Analysis ID: D340-010D000

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