FMAT7467-6 Replacement: AT-106V, M3933/25-32S

Original Part

FMAT7467-6

Fairview Microwave

RF Attenuators 6dB 0 Hz ~ 12 GHz 50 Ohms 2W SMA In-Line Module

Alternative Part

AT-106V

Hirose Electric Co Ltd

RF Attenuators 6dB 0 Hz ~ 18 GHz 50 Ohms 2W SMA In-Line Module

M3933/25-32S

Amphenol SV Microwave

RF Attenuators 6dB 0 Hz ~ 18 GHz 50 Ohms 2W SMA In-Line Module

1. AT-106V Substitution Conclusion From a core electrical parameter perspective, the AT-106V can substitute for the original part number FMAT7467-6. Both devices are identical in attenuation value, power handling capacity, impedance, and connector interface. Furthermore, the frequency range of the AT-106V (0–18 GHz) fully covers and exceeds the original part's 0–12 GHz range. Across all frequencies where the original part is specified, the AT-106V is a direct electrical performance replacement and offers the theoretical capability to handle higher-frequency signals, providing additional bandwidth margin for the system. However, note that a wider frequency range typically indicates internal design optimizations (e.g., in the attenuation circuit topology and materials) to meet higher-frequency performance. Within the common operating band below 12 GHz, its performance (e.g., attenuation flatness, VSWR) may be superior or equivalent to the original part; this should be confirmed by consulting the detailed specifications. Provided there are no specific reliability or mechanical constraints, electrical substitution is feasible.

2. M3933/25-32S Substitution Conclusion The M3933/25-32S also meets the core electrical parameters for substituting the original FMAT7467-6. Its attenuation, power rating, impedance, and interface match the original part, and its frequency range (0–18 GHz) fully covers the original 0–12 GHz range. This indicates a direct functional replacement with wider operational bandwidth. Notably, the "M3933" prefix typically associates with military standards (MIL), suggesting this device is likely designed, screened, and tested to more stringent military or high-reliability specifications. Its environmental robustness (e.g., temperature range, vibration, hermeticity), long-term stability, and lot-to-lot consistency may exceed those of standard commercial-grade products (such as the original part). This represents a significant advantage in reliability-critical aerospace, aviation, or defense applications, though it may lead to higher cost in general commercial use cases.

Analysis ID: CC4B-5874000

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