SA6N5W-03 Replacement: 53AS105-K03N3, FMAT7461-3

Original Part

SA6N5W-03

Fairview Microwave

RF Attenuators 3dB 0 Hz ~ 6 GHz 50 Ohms 5W N-Type In-Line Module

Alternative Part

53AS105-K03N3

Rosenberger

RF Attenuators 3dB 0 Hz ~ 10 GHz 50 Ohms 5W N-Type In-Line Module

FMAT7461-3

Fairview Microwave

RF Attenuators 3dB 0 Hz ~ 12.4 GHz 50 Ohms 5W N-Type In-Line Module

1. 53AS105-K03N3 Substitution Conclusion Based on core electrical performance parameters (3dB attenuation, 50Ω impedance, 5W power handling) and mechanical interface (N-type in-line module), the 53AS105-K03N3 can serve as a direct drop-in replacement for the original part. The key difference lies in its extended frequency range of 0-10 GHz, which surpasses the original's 0-6 GHz specification. Within the original application bandwidth not exceeding 6 GHz, its electrical performance will be fully compatible and may offer a superior high-frequency performance margin. Should the system's operational frequency be extended up to 10 GHz in the future, this part remains applicable. This substitution is entirely viable from both electrical and mechanical perspectives.

2. FMAT7461-3 Substitution Conclusion The FMAT7461-3 likewise meets all critical parameters of the original part (3dB, 50Ω, 5W, N-type) and originates from the same manufacturer, ensuring good quality consistency. Its most significant technical advantage is the frequency range extended to 0-12.4 GHz, far exceeding the original's 0-6 GHz limit. For applications within the original 6 GHz and below band, it provides equivalent or potentially more stable performance. Furthermore, it offers the system potential frequency extension capability up to 12.4 GHz, accommodating wider bandwidth scenarios. This part represents an ideal, high-performance, and directly compatible alternative.

Analysis ID: 161C-1919000

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