53AS105-K10N3 Replacement: SA6N5WA-10, FMAT7461-10

Original Part

53AS105-K10N3

Rosenberger

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

Alternative Part

SA6N5WA-10

Fairview Microwave

RF Attenuators 10dB 0 Hz ~ 6 GHz 50 Ohms 5W N-Type In-Line Module

FMAT7461-10

Fairview Microwave

RF Attenuators 10dB 0 Hz ~ 12.4 GHz 50 Ohms 5W N-Type In-Line Module

1. SA6N5WA-10 Substitution Conclusion Direct substitution is not recommended. The SA6N5WA-10 differs from the original part in that its operational frequency range is limited to 0–6 GHz, which is significantly narrower than the original's 0–10 GHz specification. Within the 6 GHz to 10 GHz band, key performance parameters such as attenuation accuracy, impedance matching, and power handling may not be guaranteed. If the system operates within this frequency range, substituting with this part introduces risks of degraded signal integrity or failure to meet performance requirements.

2. FMAT7461-10 Substitution Conclusion This component presents a viable and favorable substitution option. The FMAT7461-10 matches the original part in attenuation value, power rating, impedance, and connector interface. Its key advantage is an extended operational frequency range of 0–12.4 GHz, which fully covers and exceeds the original part's 0–10 GHz requirement. Across the entire operational bandwidth of the original part, the FMAT7461-10 can deliver equivalent or superior RF performance. The additional frequency margin further enhances system reliability, making it a direct, performance-equivalent substitution with built-in design headroom.

Analysis ID: A451-63F1000

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