M3933/30-15S Replacement: AT-107V, M3933/25-33S

Original Part

M3933/30-15S

Amphenol SV Microwave

RF Attenuators 7dB 0 Hz ~ 32 GHz 50 Ohms 2W SMA In-Line Module

Alternative Part

AT-107V

Hirose Electric Co Ltd

RF Attenuators 7dB 0 Hz ~ 18 GHz 50 Ohms 2W SMA In-Line Module

M3933/25-33S

Amphenol SV Microwave

RF Attenuators 7dB 0 Hz ~ 18 GHz 50 Ohms 2W SMA In-Line Module

1. AT-107V Substitution Conclusion The AT-107V is fully identical to the original part in its core parameters (7dB attenuation, 50Ω impedance, 2W power, SMA interface). The difference lies in its upper operational frequency limit of 18 GHz, whereas the original part supports up to 32 GHz. If your application operates below 18 GHz, the AT-107V is a viable drop-in replacement, both electrically and mechanically, and may offer cost or availability advantages. However, for any system involving the 18 GHz to 32 GHz frequency range, the AT-107V cannot be substituted due to insufficient bandwidth. Forcing its use in such applications will lead to abnormal signal attenuation, performance degradation, or even potential damage.

2. M3933/25-33S Substitution Conclusion The M3933/25-33S, like the original part, is an Amphenol SV Microwave product. It shares identical basic specifications with the original, including attenuation, power rating, impedance, and interface. The key difference, again, is the frequency range (0-18 GHz vs. 0-32 GHz). For applications within 18 GHz, this part serves as a high-reliability, same-brand direct replacement from the original manufacturer, offering optimal performance consistency and quality continuity. For any design requiring coverage above 18 GHz, this part is not a suitable substitute due to its halved frequency coverage. Selecting it will fail to meet the system's high-frequency performance requirements.

Analysis ID: C711-46B6000

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