FMAT7460-6 Replacement: SA3S5W-06, FMAT7623-6

Original Part

FMAT7460-6

Fairview Microwave

RF Attenuators 6dB 0 Hz ~ 12.4 GHz 50 Ohms 5W SMA In-Line Module

Alternative Part

SA3S5W-06

Fairview Microwave

RF Attenuators 6dB 0 Hz ~ 3 GHz 50 Ohms 5W SMA In-Line Module

FMAT7623-6

Fairview Microwave

RF Attenuators 6dB 0 Hz ~ 18 GHz 50 Ohms 5W SMA In-Line Module

1. SA3S5W-06 Substitution Conclusion The SA3S5W-06 is not a direct drop-in replacement for the original part FMAT7460-6. The key discrepancy lies in its frequency range, which is limited to 0 Hz to 3 GHz, well below the original part’s upper limit of 12.4 GHz. In applications where the operating frequency exceeds 3 GHz—such as portions of the C‑band, X‑band, or Ku‑band—this attenuator cannot guarantee the specified 6 dB attenuation accuracy and impedance matching. This may lead to signal distortion, increased reflection, or degraded system performance. Therefore, the SA3S5W-06 is suitable only for low‑frequency scenarios below 3 GHz and does not cover the full frequency range of the original part.

2. FMAT7623-6 Substitution Conclusion The FMAT7623-6 is a direct and performance‑enhancing replacement for the original FMAT7460-6. Both parts share identical key parameters: attenuation (6 dB), power rating (5 W), impedance (50 Ω), and package (SMA in‑line module). However, the FMAT7623-6 offers a significantly wider frequency range of 0 Hz to 18 GHz, compared to the original’s 12.4 GHz. Substituting with the FMAT7623-6 not only maintains equivalent performance across all original operating frequencies (≤12.4 GHz) but also extends support to higher‑frequency applications up to 18 GHz. This provides greater bandwidth margin and future adaptability, making it an upward‑compatible and ideal replacement option.

Analysis ID: B99A-C12E000

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