FMAT7466-1 Replacement: SA6H-01, LCAT1005-01

Original Part

FMAT7466-1

Fairview Microwave

RF Attenuators 1dB 0 Hz ~ 12 GHz 50 Ohms 2W SMA In-Line Module

Alternative Part

SA6H-01

Fairview Microwave

RF Attenuators 1dB 0 Hz ~ 6 GHz 50 Ohms 2W SMA In-Line Module

LCAT1005-01

L-com

RF Attenuators 1dB 0 Hz ~ 18 GHz 50 Ohms 2W SMA In-Line Module

1. SA6H-01 Substitution Conclusion The SA6H-01 matches the original FMAT7466-1 in attenuation value, power rating, impedance, and connector type. However, its frequency range is limited to 0 Hz – 6 GHz, whereas the original part supports 0 Hz – 12 GHz. Beyond 6 GHz, the SA6H-01 cannot guarantee specified attenuation performance or impedance matching. In applications involving high‑frequency signals—such as satellite communications or high‑speed digital links—direct substitution may lead to increased insertion loss, degraded VSWR, or signal distortion. Therefore, the SA6H-01 is suitable only for low‑frequency applications not exceeding 6 GHz and is not a drop‑in replacement for broadband or high‑frequency systems.

2. LCAT1005-01 Substitution Conclusion The LCAT1005-01 is identical to the original FMAT7466-1 in all key parameters: attenuation (1 dB), power handling (2 W), impedance (50 Ω), and interface type (SMA in‑line module). Its frequency range (0 Hz – 18 GHz) fully covers and exceeds the original’s 12 GHz upper limit. Electrically, the LCAT1005-01 is fully compatible with the original part and offers additional bandwidth margin at higher frequencies, ensuring stable attenuation accuracy and impedance matching across the entire band. The only consideration is the manufacturer change from Fairview Microwave to L‑com, which may introduce minor variations in packaging, material consistency, or long‑term reliability, though these typically do not preclude direct substitution.

Analysis ID: B84D-06F7000

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