LCAT1001-03 Replacement: M3933/30-07S, 32AS102-K03S3

Original Part

LCAT1001-03

L-com

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

Alternative Part

M3933/30-07S

Amphenol SV Microwave

RF Attenuators 3dB 0 Hz ~ 32 GHz 50 Ohms 2W SMA In-Line Module

32AS102-K03S3

Rosenberger

RF Attenuators 3dB 0 Hz ~ 18 GHz 50 Ohms 2W SMA In-Line Module

1. M3933/30-07S Substitution Conclusion The M3933/30-07S matches the original part in all key parameters (3 dB attenuation, 50 Ω impedance, 2 W power handling, and interface type), while its frequency range (0–32 GHz) significantly exceeds the original’s 0–3 GHz specification. This device employs a design and materials optimized for wider bandwidth, which in applications below 3 GHz may offer improved VSWR and stability compared to the original. However, it typically comes at a higher cost. If the system operates at or below 3 GHz and is cost-sensitive, this performance margin may not be necessary. From an electrical performance standpoint, the M3933/30-07S is fully viable as a drop-in replacement.

2. 32AS102-K03S3 Substitution Conclusion The 32AS102-K03S3 likewise meets all critical electrical specifications of the original part (3 dB, 50 Ω, 2 W, SMA). Its frequency range (0–18 GHz) far exceeds the original’s 3 GHz upper limit, indicating optimized RF performance over a broader bandwidth. Within the 3 GHz range, it provides equivalent attenuation and power handling, and the wider bandwidth may contribute to better in-band flatness and phase consistency. A cost premium is also likely with this substitute. From a technical specification perspective, this part is a direct replacement for the original and can support extended frequency requirements if needed.

Analysis ID: C70B-978C000

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