SA6-10 Replacement: M3933/30-21S, 32AS102-K10S3

Original Part

SA6-10

Fairview Microwave

RF Attenuators 10dB 0 Hz ~ 6 GHz 50 Ohms 2W SMA In-Line Module

Alternative Part

M3933/30-21S

Amphenol SV Microwave

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

32AS102-K10S3

Rosenberger

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

1. M3933/30-21S Substitution Conclusion From the perspective of core electrical parameters and mechanical interface, the M3933/30-21S can serve as a complete substitute for the SA6-10. Both components share identical specifications for attenuation (10dB), power handling (2W), impedance (50Ω), and interface type (SMA In-Line Module). The primary difference lies in the frequency range: the frequency coverage of the substitute part (0-32 GHz) fully encompasses and significantly exceeds that of the original part (0-6 GHz). Within the original design's operating band below 6 GHz, the substitute part is inherently electrically compatible and typically offers greater performance margin (e.g., superior VSWR and flatness). However, this may come at a higher cost. Provided the system is not cost-sensitive and the physical dimensions of the substitute part match the original, this substitution is technically and mechanically feasible and reliable.

2. 32AS102-K10S3 Substitution Conclusion The 32AS102-K10S3 also meets the fundamental requirements for a complete substitution of the SA6-10. Its key specifications—attenuation, power rating, impedance, and interface—are an exact match for the original part. The difference, again, is in the frequency range: the substitute supports 0-18 GHz, while the original is limited to 0-6 GHz. Within the user's existing 6 GHz application band, the substitute not only meets the requirements but generally provides better high-frequency performance headroom and flatter frequency response characteristics. As long as the mechanical dimensions of the substitute (particularly the length between connectors) are compatible with the original installation requirements, this substitution is electrically seamless. It may even enhance the system's potential bandwidth, making it highly feasible from a technical standpoint.

Analysis ID: A167-D4AF000

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