LCAT1001-10 Replacement: AT-110V, M3933/30-21N

Original Part

LCAT1001-10

L-com

RF Attenuators 10dB 0 Hz ~ 3 GHz 50 Ohms 2W SMA In-Line Module

Alternative Part

AT-110V

Hirose Electric Co Ltd

RF Attenuators 10dB 0 Hz ~ 18 GHz 50 Ohms 2W SMA In-Line Module

M3933/30-21N

Amphenol SV Microwave

RF Attenuators 10dB 0 Hz ~ 32 GHz 50 Ohms 2W SMA In-Line Module

1. AT-110V Substitution Conclusion From both electrical and mechanical specifications, the AT-110V is fully capable of replacing the original part LCAT1001-10. The key difference lies in its significantly extended frequency range, from DC–3GHz to DC–18GHz. The AT-110V maintains its rated 10dB attenuation accuracy and 2W power handling even in RF systems up to 18GHz, offering substantially greater performance margin than the original part. When operating at 3GHz and below, its performance will be even more stable and superior. Provided the cost is acceptable, the AT-110V represents a direct performance upgrade and a high-quality substitution option.

2. M3933/30-21N Substitution Conclusion The M3933/30-21N also meets the basic substitution requirements. Its most notable technical advantage is the extension of the upper frequency limit to DC–32GHz. This component employs higher-performance circuit design and materials to ensure good impedance matching and attenuation flatness even into the millimeter-wave bands, far exceeding the original part in high-frequency performance and technical grade. It is not only a viable direct replacement but also an over-spec substitution solution for potential future high-frequency applications or scenarios demanding extremely high performance margins, though typically at a higher procurement cost.

Analysis ID: 882B-17E5000

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