SA6H-01 Replacement: AT-101V, M3933/30-03N

Original Part

SA6H-01

Fairview Microwave

RF Attenuators 1dB 0 Hz ~ 6 GHz 50 Ohms 2W SMA In-Line Module

Alternative Part

AT-101V

Hirose Electric Co Ltd

RF Attenuators 1dB 0 Hz ~ 18 GHz 50 Ohms 2W SMA In-Line Module

M3933/30-03N

Amphenol SV Microwave

RF Attenuators 1dB 0 Hz ~ 32 GHz 50 Ohms 2W SMA In-Line Module

1. AT-101V Substitution Conclusion From a core electrical parameter perspective, the AT-101V serves as a perfect substitute for the SA6H-01. Both share identical attenuation (1dB), power handling (2W), impedance (50Ω), and utilize an SMA through-module interface format, ensuring good mechanical compatibility. The key distinction lies in the frequency range: the AT-101V covers DC-18 GHz, significantly wider than the original part's DC-6 GHz. The AT-101V maintains its specified attenuation accuracy and impedance matching performance up to 18 GHz, whereas the original part's performance may degrade sharply beyond 6 GHz. For applications operating below 6 GHz, the AT-101V represents a drop-in replacement with substantial performance margin. This substitution offers a forward-looking upgrade if the system has potential for future expansion into higher frequency bands.

2. M3933/30-03N Substitution Conclusion The M3933/30-03N also meets the fundamental requirements for replacing the SA6H-01, with matching attenuation, power rating, impedance, and interface. Its core differences from the original part are its exceptionally wide frequency range (DC-32 GHz) and the fact that, as a product from Amphenol SV Microwave, it likely conforms to more stringent military (MIL) standards or offers higher performance consistency. The broader bandwidth indicates superior broadband matching design and lower VSWR in microwave frequencies, far exceeding the original part's requirements. Within the DC-6GHz range, it can be employed as a high-performance, "derated" substitute. Direct replacement is highly feasible both electrically and mechanically. This part is particularly suitable for applications with stringent demands for reliability and high-frequency performance margin, though it may introduce unnecessary cost overhead.

Analysis ID: 6096-2CA0000

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