M3933/25-12S

Overview

The M3933/25-12S is a screened RF attenuator manufactured by Amphenol SV Microwave. It features SMA male to female connectors and operates within a frequency range of 0 Hz to 18 GHz. The component provides a nominal attenuation of 12 dB at 50 Ohms impedance. It supports a maximum power rating of 2 W and functions reliably between -65 °C and +165 °C. Packaged in bulk, this inline module meets military specifications for high-reliability applications.

Feature Summary

• Screened construction for enhanced signal integrity
• Military specification compliance for rugged environments
• Inline module design with SMA interfaces

Applications

• RF test and measurement equipment
• Military communication systems
• Aerospace instrumentation

Procurement Notes

Verify the specific suffix 'S' indicates the screened version required for your application. Confirm that the SMA male-to-female configuration matches your circuit topology. Ensure the 12 dB attenuation value aligns with your system's signal loss requirements. Check that the 2 W power rating exceeds your operational peak power levels. Validate environmental ratings against your deployment conditions.

Selection Notes

Select this model when precise 12 dB attenuation is needed up to 18 GHz. Consider the screened variant if EMI protection is critical. Verify compatibility with existing SMA infrastructure. Evaluate thermal management needs given the 2 W limit. Compare against other M3933 series variants for different attenuation values or connector genders.

Part Context

This part belongs to the M3933 series of RF attenuators from Amphenol SV Microwave. The series includes various attenuation values and connector configurations. These components are designed for high-frequency applications requiring stable performance. The M3933/25-12S specifically addresses the need for fixed attenuation in SMA-based systems.

Replacement Considerations

M3933/25-12N is a parameter-equivalent alternative from the same manufacturer. Verify connector gender and attenuation tolerance before substitution. Ensure screening requirements are met by the replacement part.