M3933/25-79S

Overview

The M3933/25-79S is a screened RF attenuator manufactured by Amphenol SV Microwave. It features SMA male to female connectors and operates within a frequency range of DC to 18 GHz. The component provides a nominal attenuation value of 11 dB at 50 Ohms impedance. It supports a maximum power rating of 2 W and functions reliably between -65 °C and +165 °C.

Feature Summary

• Provides fixed signal attenuation for high-frequency applications
• Constructed with durable SMA connector interfaces
• Designed for reliable operation in extreme temperature environments

Applications

• Military radio systems
• Avionics test equipment
• Satellite communication links

Procurement Notes

Verify the specific screening requirements against military standards before procurement, as this model denotes screened components. Confirm that the 11 dB attenuation value aligns precisely with circuit design specifications. Ensure compatibility with existing SMA connector types and verify that the 2 W power handling capacity meets system operational demands without thermal issues.

Selection Notes

Select this component when a precise 11 dB reduction is required within the 18 GHz bandwidth. Consider the screened construction for enhanced environmental protection in harsh conditions. Evaluate the 50 Ohm impedance match against system requirements. Assess the wide operating temperature range suitability for aerospace or defense deployment scenarios.

Part Context

This part belongs to the M3933 series of RF attenuators from Amphenol SV Microwave. These components are designed for high-reliability applications requiring stable attenuation performance. The series utilizes robust connector interfaces to ensure consistent signal integrity across demanding operational frequencies and environmental conditions.

Replacement Considerations

M3933/25-79N serves as a parameter-equivalent alternative within the same manufacturer lineup.