Original Part
Alternative Part
1. SA3S5W-30 Substitution Conclusion
This part is a conditional substitute. It is identical to the original part (SA6S5W-30) in attenuation value, power rating, impedance, and connector type. However, the key difference lies in its operational frequency range, which has an upper limit of only 3 GHz, significantly lower than the original part's 6 GHz. If the application's operating frequency exceeds 3 GHz, the performance of this attenuator will degrade sharply. Its attenuation value will deviate substantially from the nominal 30dB, and the Voltage Standing Wave Ratio (VSWR) will also deteriorate. This could lead to system signal distortion, measurement errors, or impedance mismatch. Therefore, substitution is permissible only if it is confirmed that the system's maximum operating frequency will never exceed 3 GHz. Otherwise, it must not be used.
2. FMAT7460-30 Substitution Conclusion
This part is a fully compatible, direct substitute with superior performance. Its key parameters (30dB attenuation, 5W power rating, 50-ohm impedance, SMA connectors) are identical to those of the original part. The difference is its extended frequency range of 0-12.4 GHz, which is notably higher than the original part's 6 GHz. Throughout the entire 0-6 GHz band required by the original part, this attenuator offers equivalent or even better electrical performance—such as a flatter attenuation curve and improved VSWR. Additionally, it provides the system with higher frequency headroom. Consequently, it can be used as a direct replacement without any risk of performance degradation, making it an ideal upgrade option.
Analysis ID: 3D75-2263000
Based on part parameters and for reference only. Not to be used for procurement or production.
SkyChip © 2026, Email: sales@skychip.com