FMAT7626-1 Replacement: SA18S10W-01, SA6S10W-01

Original Part

FMAT7626-1

Fairview Microwave

RF Attenuators 1dB 0 Hz ~ 18 GHz 50 Ohms 10W SMA In-Line Module

Alternative Part

SA18S10W-01

Fairview Microwave

RF Attenuators 1dB 0 Hz ~ 18 GHz 50 Ohms 10W SMA In-Line Module

SA6S10W-01

Fairview Microwave

RF Attenuators 1dB 0 Hz ~ 6 GHz 50 Ohms 10W SMA In-Line Module

1. SA18S10W-01 Substitution Conclusion The SA18S10W-01 is a fully viable substitute for the FMAT7626-1. Both components share identical core electrical specifications (1 dB attenuation, 50Ω impedance, 10W power handling) and mechanical packaging (SMA In-Line Module). Most critically, their operational frequency range (DC-18 GHz) is exactly the same. The SA18S10W-01 delivers equivalent attenuation performance and power handling capability across all frequency bands where the original part is specified, making it a direct, drop-in replacement.

2. SA6S10W-01 Substitution Conclusion The SA6S10W-01 presents significant limitations as a substitute and is only viable under specific conditions. The key difference is its reduced frequency range of DC-6 GHz, compared to the original part's support up to 18 GHz. If the original application operates above 6 GHz, substituting with the SA6S10W-01 will cause severe performance degradation or failure in parameters such as attenuation accuracy and VSWR. This can introduce unpredictable signal loss and reflections. It can only serve as a parametrically equivalent replacement in systems confirmed to operate strictly below 6 GHz.

Analysis ID: B89D-411C000

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