LCAT1002-07 Replacement: AT-107V, M3933/25-33S

Original Part

LCAT1002-07

L-com

RF Attenuators 7dB 0 Hz ~ 3 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 From the perspective of core electrical parameters and mechanical interfaces, the AT-107V can serve as a complete replacement for the original LCAT1002-07 part. Both units are identical in attenuation value (7dB), impedance (50Ω), rated power (2W), and connector interface (SMA In-Line Module). The key difference lies in the frequency range: the AT-107V offers a significantly wider bandwidth (DC-18 GHz) compared to the original part's DC-3 GHz. This ensures that the AT-107V's performance within the original design's operating band (≤3 GHz) is fully guaranteed. Furthermore, it provides potential for higher-frequency applications. This "derated usage" typically results in improved in-band flatness and stability. Therefore, the substitution is both feasible and advantageous.

2. M3933/25-33S Substitution Conclusion The M3933/25-33S exhibits a high degree of feasibility as a replacement for the original LCAT1002-07 part. Its nominal key specifications—attenuation, impedance, power rating, and interface—are a complete match for the original unit. Similar to the AT-107V, its primary technical advantage is its exceptionally wide operational bandwidth (DC-18 GHz). This guarantees that its performance at 3 GHz and below not only meets but potentially exceeds the original requirements. With a higher frequency ceiling and potentially superior wideband performance, this part introduces no performance risk upon substitution. On the contrary, it may enhance the system's performance margin within the operating band.

Analysis ID: CE61-C2AE000

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